Bump version number

.gitignore

@@ -1,3 +1,4 @@
 DerivedData/
+.DerivedData/
 .DS_Store
 xcuserdata/

NearbyShare/Connection/InboundNearbyConnection.swift

@@ -12,6 +12,7 @@ import Network
 import System
 import BigInt
 import SwiftECC
+import ASN1
 import LUI
 
 #if os(macOS)
@@ -30,7 +31,11 @@ class InboundNearbyConnection: NearbyConnection {
     private var bytesToBeTransferred: Int64 = 0
     private var isAuthenticated = false
     private var peerCertificate: Sharing_Nearby_PublicCertificate? = nil
+    private var mirroredNotificationMetadata: Sharing_Nearby_MirroredNotificationMetadata?
+    private var pairingMetadata: Sharing_Nearby_PairingMetadata?
+    private var isPairingSetupRequest = false
     var isPlainTextTransfer = false
+    var isControlTransfer = false
     
     var wasUserRejected = false
     var delegate: InboundNearbyConnectionDelegate?
@@ -46,6 +51,16 @@ class InboundNearbyConnection: NearbyConnection {
     
 
     override func disconnect() {
+        let recoveredAllPendingFiles = recoverCompletedFilesOnDisconnect()
+        if recoveredAllPendingFiles {
+            if case let .protocolError(message) = self.lastError as? NearbyError,
+               message == "Error.ClosedByPeer".localized() {
+                log("[InboundNearbyConnection \(self.id)] Recovering completed transfer after connection closed by peer.")
+                self.lastError = nil
+                NearbyConnectionManager.shared.updatedTransferProgress(connection: self, progress: 1)
+            }
+        }
+
         super.disconnect()
         currentState = .disconnected
         deletePartiallyReceivedFiles()
@@ -61,6 +76,19 @@ class InboundNearbyConnection: NearbyConnection {
         if currentState != .receivingFiles {
             log("[InboundNearbyConnection \(self.id)] Received frame in state \(currentState)...")
         }
+
+        if !encryptionDone,
+           currentState != .initial,
+           let frame = try? Location_Nearby_Connections_OfflineFrame(serializedBytes: frameData),
+           frame.hasV1,
+           frame.v1.hasType,
+           case .keepAlive = frame.v1.type {
+            log("[InboundNearbyConnection \(self.id)] Received keep-alive during handshake in state \(currentState)")
+            if !frame.v1.hasKeepAlive || !frame.v1.keepAlive.ack {
+                sendKeepAlive(ack: true)
+            }
+            return
+        }
         
         do {
             switch currentState {
@@ -111,11 +139,64 @@ class InboundNearbyConnection: NearbyConnection {
         }
         switch currentState {
         case .sentConnectionResponse:
-            try processPairedKeyEncryptionFrame(frame)
+            if frame.hasV1, frame.v1.hasPairedKeyEncryption {
+                try processPairedKeyEncryptionFrame(frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasIntroduction {
+                log("[InboundNearbyConnection \(self.id)] Received introduction before paired-key exchange finished; continuing unauthenticated flow.")
+                try sendPairedKeyResult(status: .unable)
+                try processIntroductionFrame(frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .pairedKeyResult || frame.v1.type == .progressUpdate {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for pairedKeyEncryption.")
+                    return
+                }
+                if frame.v1.type == .response, case .accept = frame.v1.connectionResponse.status {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring accept response while waiting for pairedKeyEncryption.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("shareNearbyFrame.v1.pairedKeyEncryption")
         case .sentPairedKeyResult:
-            try processPairedKeyResultFrame(frame)
+            if frame.hasV1, frame.v1.hasPairedKeyResult {
+                try processPairedKeyResultFrame(frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasIntroduction {
+                log("[InboundNearbyConnection \(self.id)] Received introduction without pairedKeyResult; continuing for legacy compatibility.")
+                try processIntroductionFrame(frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .pairedKeyEncryption || frame.v1.type == .progressUpdate {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for pairedKeyResult.")
+                    return
+                }
+                if frame.v1.type == .response, case .accept = frame.v1.connectionResponse.status {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring accept response while waiting for pairedKeyResult.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("shareNearbyFrame.v1.pairedKeyResult")
         case .receivedPairedKeyResult:
-            try processIntroductionFrame(frame)
+            if frame.hasV1, frame.v1.hasIntroduction {
+                try processIntroductionFrame(frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .pairedKeyResult || frame.v1.type == .pairedKeyEncryption || frame.v1.type == .progressUpdate {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for introduction.")
+                    return
+                }
+                if frame.v1.type == .response, case .accept = frame.v1.connectionResponse.status {
+                    log("[InboundNearbyConnection \(self.id)] Ignoring accept response while waiting for introduction.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("shareNearbyFrame.v1.introduction")
         default:
             if frame.hasV1, frame.v1.hasType, frame.v1.type == .progressUpdate {
                 // ignore progress updates
@@ -140,19 +221,23 @@ class InboundNearbyConnection: NearbyConnection {
         
         let id = frame.payloadHeader.id
         
-        guard let fileInfo = filesToBeReceived[id] else { throw NearbyError.protocolError("File payload ID \(id) is not known") }
+        guard var fileInfo = filesToBeReceived[id] else { throw NearbyError.protocolError("File payload ID \(id) is not known") }
         
         let currentOffset = fileInfo.bytesTransferred
         
         guard frame.payloadChunk.offset == currentOffset else { throw NearbyError.protocolError("Invalid offset into file \(frame.payloadChunk.offset), expected \(currentOffset)") }
         
         guard currentOffset + Int64(frame.payloadChunk.body.count) <= fileInfo.meta.size else { throw NearbyError.protocolError("Transferred file size exceeds previously specified value") }
-        
-        if !frame.payloadChunk.body.isEmpty {
+
+        let hasBody = !frame.payloadChunk.body.isEmpty
+        let isLastChunk = (frame.payloadChunk.flags & 1) == 1
+
+        if hasBody {
             do {
                 try fileInfo.fileHandle?.write(contentsOf: frame.payloadChunk.body)
-                filesToBeReceived[id]!.bytesTransferred += Int64(frame.payloadChunk.body.count)
-                fileInfo.progress?.completedUnitCount = filesToBeReceived[id]!.bytesTransferred
+                fileInfo.bytesTransferred += Int64(frame.payloadChunk.body.count)
+                fileInfo.progress?.completedUnitCount = fileInfo.bytesTransferred
+                filesToBeReceived[id] = fileInfo
                 
                 self.bytesTransferred += Int64(frame.payloadChunk.body.count)
                 NearbyConnectionManager.shared.updatedTransferProgress(connection: self, progress: Double(self.bytesTransferred) / Double(self.bytesToBeTransferred))
@@ -162,15 +247,19 @@ class InboundNearbyConnection: NearbyConnection {
                 throw NearbyError.protocolError(error.localizedDescription)
             }
         }
-        else if (frame.payloadChunk.flags & 1) == 1 {
+
+        if isLastChunk {
+            guard fileInfo.bytesTransferred == fileInfo.meta.size else {
+                throw NearbyError.protocolError("Received EOF before file was fully transferred (\(fileInfo.bytesTransferred)/\(fileInfo.meta.size) bytes)")
+            }
             try fileInfo.fileHandle?.close()
-            filesToBeReceived[id]!.fileHandle = nil
+            fileInfo.fileHandle = nil
             #if os(macOS)
             fileInfo.progress?.unpublish()
             #endif
             downloadedFiles.append(fileInfo.destinationURL)
-            EXIFUtils.applyEXIFTimestamps(at: fileInfo.destinationURL)
-
+            EXIFUtils.applyTimestamps(at: fileInfo.destinationURL)
+            filesToBeReceived[id] = fileInfo
             filesToBeReceived.removeValue(forKey: id)
             
             if filesToBeReceived.isEmpty {
@@ -179,7 +268,7 @@ class InboundNearbyConnection: NearbyConnection {
                 try sendDisconnectionAndDisconnect()
             }
         }
-        else {
+        else if !hasBody {
             log("[InboundNearbyConnection \(self.id)] Received file chunk with no body and no flags, ignoring it.")
         }
     }
@@ -223,7 +312,7 @@ class InboundNearbyConnection: NearbyConnection {
             #endif
             filesToBeReceived.removeValue(forKey: id)
             downloadedFiles.append(fileInfo.destinationURL)
-            EXIFUtils.applyEXIFTimestamps(at: fileInfo.destinationURL)
+            EXIFUtils.applyTimestamps(at: fileInfo.destinationURL)
             
             if filesToBeReceived.isEmpty {
                 log("[InboundNearbyConnection \(self.id)] Received file payload. Disconnecting...")
@@ -243,8 +332,11 @@ class InboundNearbyConnection: NearbyConnection {
         guard case .connectionRequest = frame.v1.type else { throw NearbyError.protocolError("Unexpected frame type \(frame.v1.type)") }
         
         let endpointInfo = EndpointInfo(data: frame.v1.connectionRequest.endpointInfo)
+        let fallbackDeviceName = "AndroidDevice".localized()
+        let resolvedDeviceName = endpointInfo?.name?.trimmingCharacters(in: .whitespacesAndNewlines)
+        let deviceName = (resolvedDeviceName?.isEmpty == false) ? resolvedDeviceName : fallbackDeviceName
         
-        remoteDeviceInfo = RemoteDeviceInfo(name: endpointInfo?.name, type: endpointInfo?.deviceType)
+        remoteDeviceInfo = RemoteDeviceInfo(name: deviceName, type: endpointInfo?.deviceType)
         currentState = .receivedConnectionRequest
     }
     
@@ -364,10 +456,29 @@ class InboundNearbyConnection: NearbyConnection {
             pairedEncryption.v1 = Sharing_Nearby_V1Frame()
             pairedEncryption.v1.type = .pairedKeyEncryption
             pairedEncryption.v1.pairedKeyEncryption = Sharing_Nearby_PairedKeyEncryptionFrame()
-            
-            // For inbound connections, we do not use provide secretIDHash and signedData
-            pairedEncryption.v1.pairedKeyEncryption.secretIDHash = Data.randomData(length: 6)
-            pairedEncryption.v1.pairedKeyEncryption.signedData = Data.randomData(length: 72)
+
+            if let signingPrivateKey = IdentityManager.shared.getPrivateKey(),
+               let publicKey = IdentityManager.shared.getPublicKey()?.toGenericPublicKey(),
+               let publicKeyData = IdentityManager.shared.getPublicKey()?.toGenericPublicKeyData(),
+               let publicKeyID = publicKey.id(),
+               let authKeyData = self.authKey?.data() {
+
+                var cert = Sharing_Nearby_PublicCertificate()
+                cert.secretID = publicKeyID
+                cert.publicKey = publicKeyData
+
+                let signatureTuple = signingPrivateKey.sign(msg: authKeyData)
+
+                pairedEncryption.v1.certificateInfo.publicCertificate.append(cert)
+                pairedEncryption.v1.pairedKeyEncryption.secretIDHash = cert.secretID
+                pairedEncryption.v1.pairedKeyEncryption.signedData = Data(signatureTuple.asn1.encode())
+                
+                pairedEncryption.v1.pairedKeyResult.status = .success
+            } else {
+                log("[InboundNearbyConnection \(self.id)] No private key available for receiver authentication.")
+                pairedEncryption.v1.pairedKeyEncryption.secretIDHash = Data.randomData(length: 6)
+                pairedEncryption.v1.pairedKeyEncryption.signedData = Data.randomData(length: 72)
+            }
             
             try sendTransferSetupFrame(pairedEncryption)
             currentState = .sentConnectionResponse
@@ -414,6 +525,7 @@ class InboundNearbyConnection: NearbyConnection {
                 
                 if peerPublicKey.verify(signature: signature, msg: authKeyData) {
                     log("[InboundNearbyConnection \(self.id)] Paired key authentication successful.")
+                    self.peerCertificate = trustedCert
                     try sendPairedKeyResult(status: .success)
                     isAuthenticated = true
                 } else {
@@ -504,16 +616,129 @@ class InboundNearbyConnection: NearbyConnection {
             }
             let metadata = TransferMetadata(files: filesToBeReceived.map { $0.value.meta }, id: id, pinCode: pinCode, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
             checkIfCanProceed(metadata: metadata)
+            return
         }
-        else if let textMetadata = frame.v1.introduction.textMetadata.first {
+
+        #if os(macOS)
+        if frame.v1.introduction.hasMirroredNotificationMetadata || frame.v1.introduction.hasPairingMetadata {
+            isControlTransfer = true
+            mirroredNotificationMetadata = frame.v1.introduction.hasMirroredNotificationMetadata
+                ? frame.v1.introduction.mirroredNotificationMetadata
+                : nil
+            pairingMetadata = frame.v1.introduction.hasPairingMetadata
+                ? frame.v1.introduction.pairingMetadata
+                : nil
+            isPairingSetupRequest = pairingMetadata?.setupRequest == true
+            let hasPairingConfirmation = pairingMetadata?.hasSetupPinHash == true
+            let pairingUseCase = pairingMetadata.flatMap { PairingUseCase(protoValue: $0.useCase) }
+
+            guard let device = self.remoteDeviceInfo else {
+                self.rejectTransfer(with: .reject)
+                return
+            }
+
+            if pairingMetadata != nil && pairingUseCase == nil {
+                self.rejectTransfer(with: .reject)
+                return
+            }
+
+            if pairingMetadata != nil,
+               mirroredNotificationMetadata == nil,
+               !isPairingSetupRequest,
+               !hasPairingConfirmation {
+                self.rejectTransfer(with: .reject)
+                return
+            }
+
+            if !isAuthenticated && !isPairingSetupRequest && !hasPairingConfirmation {
+                self.lastError = NearbyError.notificationSyncNotTrusted
+                self.rejectTransfer(with: .reject, markAsUserRejected: false)
+                return
+            }
+
+            if hasPairingConfirmation {
+                guard let peerCertificate = peerCertificate,
+                      let pairingMetadata,
+                      let pairingUseCase else {
+                    self.rejectTransfer(with: .reject)
+                    return
+                }
+
+                let trustedData = TrustStore.shared.findTrustedKey(for: peerCertificate.secretID)
+                if let trustedData {
+                    guard let currentData = try? peerCertificate.serializedData(),
+                          currentData == trustedData else {
+                        self.rejectTransfer(with: .reject)
+                        return
+                    }
+                    DispatchQueue.main.async {
+                        self.delegate?.notificationSyncSetupConfirmed(connection: self)
+                    }
+                    submitUserConsent(accepted: true, trustDevice: false)
+                    return
+                }
+
+                let matches = TrustStore.shared.confirmPendingPairingTrust(
+                    secretIdHex: peerCertificate.secretID.hex,
+                    useCase: pairingUseCase,
+                    pinHash: pairingMetadata.setupPinHash
+                )
+
+                guard matches else {
+                    self.rejectTransfer(with: .reject)
+                    return
+                }
+
+                TrustStore.shared.addTrusted(certificate: peerCertificate, device: device)
+                DispatchQueue.main.async {
+                    self.delegate?.notificationSyncSetupConfirmed(connection: self)
+                }
+                submitUserConsent(accepted: true, trustDevice: false)
+                return
+            }
+
+            if !isAuthenticated || isPairingSetupRequest {
+                guard let transferType = pairingTransferType(for: pairingUseCase) else {
+                    self.rejectTransfer(with: .reject)
+                    return
+                }
+                let metadata = TransferMetadata(
+                    files: [],
+                    id: id,
+                    pinCode: pinCode,
+                    transferType: transferType,
+                    allowsToBeAddedAsTrustedDevice: true
+                )
+
+                DispatchQueue.main.async {
+                    self.delegate?.obtainUserConsent(transfer: metadata, device: device, connection: self)
+                }
+                return
+            }
+
+            submitUserConsent(accepted: true, trustDevice: false)
+            return
+        }
+        #endif
+
+        if let textMetadata = frame.v1.introduction.textMetadata.first {
             let isURL = textMetadata.type == .url
-            
-            let metadata = TransferMetadata(files: [], id: id, pinCode: pinCode, textDescription: textMetadata.textTitle, transferType: isURL ? .url : .text, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
             textPayloadID = textMetadata.payloadID
-            
+
+            let metadata = TransferMetadata(files: [], id: id, pinCode: pinCode, textDescription: textMetadata.textTitle, transferType: isURL ? .url : .text, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
+
             if !isURL {
                 isPlainTextTransfer = true
             }
+
+            checkIfCanProceed(metadata: metadata)
+        }
+        else if let wifiMetadata = frame.v1.introduction.wifiCredentialsMetadata.first {
+            
+            let metadata = TransferMetadata(files: [], id: id, pinCode: pinCode, textDescription: wifiMetadata.ssid, transferType: .wifiPassword, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
+            textPayloadID = wifiMetadata.payloadID
+            
+            isPlainTextTransfer = true
             
             checkIfCanProceed(metadata: metadata)
         }
@@ -527,7 +752,7 @@ class InboundNearbyConnection: NearbyConnection {
         
         func checkIfCanProceed(metadata: TransferMetadata) {
             
-            let acceptAutomatically = isAuthenticated || Settings.shared.automaticallyAcceptFiles
+            let acceptAutomatically = isAuthenticated || Settings.sharedInstance.automaticallyAcceptFiles
             
             DispatchQueue.main.async {
                 if acceptAutomatically {
@@ -542,7 +767,30 @@ class InboundNearbyConnection: NearbyConnection {
     }
     
 
-    func submitUserConsent(accepted: Bool, trustDevice: Bool) {
+    func submitUserConsent(accepted: Bool, trustDevice: Bool, pairingToken: String? = nil) {
+        if isPairingSetupRequest,
+           let peerCertificate = peerCertificate,
+           let pairingMetadata,
+           let pairingUseCase = PairingUseCase(protoValue: pairingMetadata.useCase) {
+            let secretIdHex = peerCertificate.secretID.hex
+            if accepted {
+                if TrustStore.shared.findTrustedKey(for: peerCertificate.secretID) == nil {
+                    if let token = pairingToken {
+                        TrustStore.shared.registerPendingPairingTrust(
+                            secretIdHex: secretIdHex,
+                            pinCode: token,
+                            useCase: pairingUseCase
+                        )
+                    } else {
+                        log("[InboundNearbyConnection \(self.id)] Missing pairing token; pending trust not registered.")
+                        TrustStore.shared.clearPendingPairingTrust(secretIdHex: secretIdHex)
+                    }
+                }
+            } else {
+                TrustStore.shared.clearPendingPairingTrust(secretIdHex: secretIdHex)
+            }
+        }
+
         if trustDevice, let peerCertificate = peerCertificate, let remoteDeviceInfo = remoteDeviceInfo {
             TrustStore.shared.addTrusted(certificate: peerCertificate, device: remoteDeviceInfo)
         }
@@ -563,7 +811,7 @@ class InboundNearbyConnection: NearbyConnection {
             return
         }
         
-        if isFileTransferRestricted() {
+        if !isControlTransfer && isFileTransferRestricted() {
             log("[InboundNearbyConnection \(self.id)] File transfer restrictions detected.")
             delegate?.showPlusScreen()
             rejectTransfer()
@@ -607,17 +855,34 @@ class InboundNearbyConnection: NearbyConnection {
             currentState = .receivingFiles
             isTransferring = true
             try sendTransferSetupFrame(frame)
+
+            if let mirroredNotificationMetadata,
+               !isPairingSetupRequest {
+                MirroredNotificationPresenter.shared.present(metadata: mirroredNotificationMetadata, senderDeviceName: remoteDeviceInfo?.name)
+            }
+            if isControlTransfer {
+                try sendDisconnectionAndDisconnect()
+            }
         } catch {
             lastError = error
             protocolError()
         }
     }
 
+    private func pairingTransferType(for useCase: PairingUseCase?) -> TransferMetadata.TransferType? {
+        switch useCase {
+        case .notificationSync:
+            return .notificationSync
+        case .clipboardSync, .none:
+            return nil
+        }
+    }
+
     
-    private func rejectTransfer(with reason: Sharing_Nearby_ConnectionResponseFrame.Status = .reject) {
+    private func rejectTransfer(with reason: Sharing_Nearby_ConnectionResponseFrame.Status = .reject, markAsUserRejected: Bool = true) {
         
         // rejected by user
-        if reason == .reject {
+        if reason == .reject && markAsUserRejected {
             self.wasUserRejected = true
         }
         
@@ -650,4 +915,41 @@ class InboundNearbyConnection: NearbyConnection {
             try? FileManager.default.removeItem(at: file.destinationURL)
         }
     }
+
+
+    private func recoverCompletedFilesOnDisconnect() -> Bool {
+        guard !filesToBeReceived.isEmpty else { return false }
+
+        var recoveredCount = 0
+        let pendingFileIDs = Array(filesToBeReceived.keys)
+
+        for fileID in pendingFileIDs {
+            guard let file = filesToBeReceived[fileID] else { continue }
+            guard file.created, file.bytesTransferred == file.meta.size else { continue }
+
+            do {
+                try file.fileHandle?.close()
+            } catch {
+                log("[InboundNearbyConnection \(self.id)] Failed to close recovered file handle for \(file.destinationURL.lastPathComponent): \(error.localizedDescription)")
+            }
+
+            #if os(macOS)
+            file.progress?.unpublish()
+            #endif
+
+            if !downloadedFiles.contains(file.destinationURL) {
+                downloadedFiles.append(file.destinationURL)
+            }
+            EXIFUtils.applyTimestamps(at: file.destinationURL)
+
+            filesToBeReceived.removeValue(forKey: fileID)
+            recoveredCount += 1
+        }
+
+        if recoveredCount > 0 {
+            log("[InboundNearbyConnection \(self.id)] Recovered \(recoveredCount) completed file(s) during disconnect.")
+        }
+
+        return recoveredCount > 0 && filesToBeReceived.isEmpty
+    }
 }

NearbyShare/Connection/MirroredNotificationSupport.swift

@@ -0,0 +1,134 @@
+//
+//  MirroredNotificationSupport.swift
+//  QuickDrop
+//
+
+import Foundation
+import CryptoKit
+import UserNotifications
+import LUI
+
+final class MirroredNotificationPresenter {
+
+    static let shared = MirroredNotificationPresenter()
+
+    private let center = UNUserNotificationCenter.current()
+    private let queue = DispatchQueue(label: "MirroredNotificationPresenter")
+    private var pendingNotifications: [(Sharing_Nearby_MirroredNotificationMetadata, String?)] = []
+    private var authorizationRequestInFlight = false
+    private init() {}
+
+    func present(metadata: Sharing_Nearby_MirroredNotificationMetadata, senderDeviceName: String?) {
+        queue.async {
+            self.postNotificationIfAuthorized(metadata: metadata, senderDeviceName: senderDeviceName)
+        }
+    }
+
+    private func postNotificationIfAuthorized(metadata: Sharing_Nearby_MirroredNotificationMetadata, senderDeviceName: String?) {
+        center.getNotificationSettings { settings in
+            self.queue.async {
+                self.handleAuthorizationStatus(
+                    settings.authorizationStatus,
+                    metadata: metadata,
+                    senderDeviceName: senderDeviceName
+                )
+            }
+        }
+    }
+
+    private func handleAuthorizationStatus(
+        _ status: UNAuthorizationStatus,
+        metadata: Sharing_Nearby_MirroredNotificationMetadata,
+        senderDeviceName: String?
+    ) {
+        switch status {
+        case .authorized, .provisional, .ephemeral:
+            post(metadata: metadata, senderDeviceName: senderDeviceName)
+        case .notDetermined:
+            pendingNotifications.append((metadata, senderDeviceName))
+            requestAuthorizationIfNeeded()
+        case .denied:
+            log("[MirroredNotificationPresenter] Notifications are denied in system settings; cannot mirror.")
+        @unknown default:
+            log("[MirroredNotificationPresenter] Unknown notification authorization status; skipping mirrored notification.")
+        }
+    }
+
+    private func requestAuthorizationIfNeeded() {
+        if authorizationRequestInFlight {
+            return
+        }
+
+        authorizationRequestInFlight = true
+
+        DispatchQueue.main.async {
+            self.center.requestAuthorization(options: [.alert, .sound, .badge]) { granted, error in
+                self.queue.async {
+                    self.authorizationRequestInFlight = false
+
+                    if let error = error {
+                        log("[MirroredNotificationPresenter] Authorization request failed: \(error.localizedDescription)")
+                    }
+
+                    guard granted else {
+                        log("[MirroredNotificationPresenter] Authorization request not granted; dropping queued mirrored notifications.")
+                        self.pendingNotifications.removeAll()
+                        return
+                    }
+
+                    let queued = self.pendingNotifications
+                    self.pendingNotifications.removeAll()
+                    for (queuedMetadata, queuedSender) in queued {
+                        self.post(metadata: queuedMetadata, senderDeviceName: queuedSender)
+                    }
+                }
+            }
+        }
+    }
+
+    private func post(metadata: Sharing_Nearby_MirroredNotificationMetadata, senderDeviceName: String?) {
+        let senderName = senderDeviceName?.trimmingCharacters(in: .whitespacesAndNewlines)
+        let hasSenderName = senderName?.isEmpty == false
+        let displaySender = hasSenderName ? senderName! : "NotificationSyncFallbackSenderAndroid".localized()
+        let identifierSender = hasSenderName ? senderName! : "android"
+        let cleanAppName = metadata.appName.trimmingCharacters(in: .whitespacesAndNewlines)
+        let cleanTitle = metadata.title.trimmingCharacters(in: .whitespacesAndNewlines)
+        let cleanBody = metadata.body.trimmingCharacters(in: .whitespacesAndNewlines)
+        let notificationKey = metadata.notificationKey.trimmingCharacters(in: .whitespacesAndNewlines)
+
+        let content = UNMutableNotificationContent()
+        content.title = cleanTitle.isEmpty ? (cleanAppName.isEmpty ? "NotificationSyncFallbackTitle".localized() : cleanAppName) : cleanTitle
+        content.body = cleanBody
+        content.subtitle = cleanAppName.isEmpty ? displaySender : "\(cleanAppName) · \(displaySender)"
+        content.sound = .default
+        content.threadIdentifier = "quickdrop-mirror-\(sanitizeIdentifierComponent(identifierSender))"
+
+        let identifier = makeIdentifier(sender: identifierSender, notificationKey: notificationKey)
+        let request = UNNotificationRequest(identifier: identifier, content: content, trigger: nil)
+        center.add(request) { error in
+            if let error = error {
+                log("[MirroredNotificationPresenter] Could not post notification: \(error.localizedDescription)")
+            } else {
+                DispatchQueue.main.async {
+                    Settings.sharedInstance.incomingNotificationCount += 1
+                    let count = Settings.sharedInstance.incomingNotificationCount
+                    log("[MirroredNotificationPresenter] Posted mirrored notification (\(identifier)). Current count: \(count)")
+                }
+            }
+        }
+    }
+
+    private func makeIdentifier(sender: String, notificationKey: String) -> String {
+        let raw = "\(sender)|\(notificationKey)"
+        let digest = SHA256.hash(data: Data(raw.utf8))
+        let prefix = digest.prefix(12).map { String(format: "%02x", $0) }.joined()
+        return "quickdrop-mirror-\(prefix)"
+    }
+
+    private func sanitizeIdentifierComponent(_ value: String) -> String {
+        let allowed = CharacterSet.alphanumerics.union(CharacterSet(charactersIn: "-_"))
+        let scalarView = value.unicodeScalars.map { allowed.contains($0) ? Character($0) : "_" }
+        let sanitized = String(scalarView)
+        return sanitized.isEmpty ? "android" : sanitized
+    }
+}

NearbyShare/Connection/NearbyConnection.swift

@@ -29,8 +29,13 @@ class NearbyConnection {
     var cancelled: Bool = false
     var isTransferring: Bool = false {
         didSet {
-            log("[NearbyConnection \(self.id)] Now transferring. Setting up data transfer inactivity timer.")
-            startDataTransferTimer(previousBytesTransferred: bytesTransferred)
+            dataTransferInactivityTimer?.cancel()
+            dataTransferInactivityTimer = nil
+            
+            if isTransferring {
+                log("[NearbyConnection \(self.id)] Now transferring. Setting up data transfer inactivity timer.")
+                startDataTransferTimer(previousBytesTransferred: bytesTransferred)
+            }
         }
     }
     
@@ -38,6 +43,7 @@ class NearbyConnection {
     private var connectionClosed: Bool = false
     
     private var inactivityTimer: DispatchSourceTimer?
+    private var dataTransferInactivityTimer: DispatchSourceTimer?
     
     private let ackInterval: TimeInterval = 5
     private let ackTimeoutInterval: TimeInterval = 30
@@ -189,7 +195,14 @@ class NearbyConnection {
             }
             guard let content = content else {
                 log("[NearbyConnection \(self.id)] Received nil content during receiveFrameAsync(). IsComplete: \(isComplete)")
-                assertionFailure()
+                self.lastError = NearbyError.protocolError("Received empty frame header")
+                self.protocolError()
+                return
+            }
+            guard content.count == 4 else {
+                log("[NearbyConnection \(self.id)] Received invalid frame header size \(content.count), expected 4")
+                self.lastError = NearbyError.protocolError("Unexpected frame header length")
+                self.protocolError()
                 return
             }
             let frameLength = UInt32(content[0]) << 24 | UInt32(content[1]) << 16 | UInt32(content[2]) << 8 | UInt32(content[3])
@@ -206,7 +219,7 @@ class NearbyConnection {
     
     
     private func receiveFrameAsync(length: UInt32) {
-        connection.receive(minimumIncompleteLength: Int(length), maximumLength: Int(length)) { [self] content, _, isComplete, _ in
+        connection.receive(minimumIncompleteLength: Int(length), maximumLength: Int(length)) { [self] content, _, isComplete, error in
             if self.connectionClosed {
                 log("[NearbyConnection \(self.id)] Received FIN from peer, connection closed.")
                 connection.cancel()
@@ -217,6 +230,13 @@ class NearbyConnection {
                 
                 if let content = content, !content.isEmpty {
                     log("[NearbyConnection \(self.id)] Connection closed by peer during receiveFrameAsync(length:), and frame not empty. Frame length: \(content.count)")
+                    
+                    if content.count == Int(length) {
+                        self.processReceivedFrame(frameData: content)
+                    }
+                    else {
+                        log("[NearbyConnection \(self.id)] Dropping trailing partial frame during connection close. Expected \(length) bytes, got \(content.count)")
+                    }
                 }
                 else {
                     log("[NearbyConnection \(self.id)] Connection closed by peer during receiveFrameAsync(length:), but no content received anymore (\(String(describing: content))).")
@@ -230,11 +250,23 @@ class NearbyConnection {
                 
                 return
             }
+            if let error = error {
+                log("[NearbyConnection \(self.id)] Error during receiveFrameAsync(length:): \(error)")
+                self.lastError = error
+                self.protocolError()
+                return
+            }
             guard let content = content else {
                 log("[NearbyConnection \(self.id)] Received nil content during receiveFrameAsync(length:). IsComplete: \(isComplete)")
                 self.protocolError()
                 return
             }
+            guard content.count == Int(length) else {
+                log("[NearbyConnection \(self.id)] Dropping partial frame body. Expected \(length) bytes, got \(content.count)")
+                self.lastError = NearbyError.protocolError("Unexpected frame body length")
+                self.protocolError()
+                return
+            }
             
             self.startAndResetHeartbeatTimer()
             self.processReceivedFrame(frameData: content)
@@ -256,7 +288,10 @@ class NearbyConnection {
             UInt8(truncatingIfNeeded: length),
         ])
         lengthPrefixedData.append(frame)
-        connection.send(content: lengthPrefixedData, completion: .contentProcessed { _ in
+        connection.send(content: lengthPrefixedData, completion: .contentProcessed { error in
+            if let error = error {
+                log("[NearbyConnection \(self.id)] Error while sending frame: \(error)")
+            }
             if let completion = completion {
                 completion()
             }
@@ -367,9 +402,17 @@ class NearbyConnection {
         let d2dMsg = try Securegcm_DeviceToDeviceMessage(serializedBytes: decryptedData)
         
         guard d2dMsg.hasMessage, d2dMsg.hasSequenceNumber else { throw NearbyError.requiredFieldMissing("d2dMessage.message|sequenceNumber") }
-        clientSeq += 1
+        let receivedSeq = d2dMsg.sequenceNumber
+        let expectedSeq = clientSeq + 1
         
-        guard d2dMsg.sequenceNumber == clientSeq else { throw NearbyError.protocolError("Wrong sequence number. Expected \(clientSeq), got \(d2dMsg.sequenceNumber)") }
+        if receivedSeq == expectedSeq {
+            clientSeq = receivedSeq
+        } else if receivedSeq <= clientSeq {
+            log("[NearbyConnection \(self.id)] Ignoring duplicate/stale frame sequence \(receivedSeq). Current sequence is \(clientSeq)")
+            return
+        } else {
+            throw NearbyError.protocolError("Wrong sequence number. Expected \(expectedSeq), got \(receivedSeq)")
+        }
         let offlineFrame = try Location_Nearby_Connections_OfflineFrame(serializedBytes: d2dMsg.message)
         
         if offlineFrame.hasV1, offlineFrame.v1.hasType, case .payloadTransfer = offlineFrame.v1.type {
@@ -432,7 +475,15 @@ class NearbyConnection {
             }
         }
         else if offlineFrame.hasV1, offlineFrame.v1.hasType, case .keepAlive = offlineFrame.v1.type {
-            sendKeepAlive(ack: true)
+            if offlineFrame.v1.hasKeepAlive {
+                let keepAlive = offlineFrame.v1.keepAlive
+                if !keepAlive.hasAck || !keepAlive.ack {
+                    sendKeepAlive(ack: true)
+                }
+            } else {
+                // Older peers can omit the keepAlive payload; default to ACK reply.
+                sendKeepAlive(ack: true)
+            }
         } else {
             
             if offlineFrame.hasV1, offlineFrame.v1.hasType, offlineFrame.v1.type == .bandwidthUpgradeRetry {
@@ -466,17 +517,12 @@ class NearbyConnection {
         guard peerKey.hasEcP256PublicKey else { throw NearbyError.requiredFieldMissing("peerKey.ecP256PublicKey") }
         
         let domain = Domain.instance(curve: .EC256r1)
-        var clientX = peerKey.ecP256PublicKey.x
-        var clientY = peerKey.ecP256PublicKey.y
-        if clientX.count > 32 {
-            clientX = clientX.suffix(32)
-        }
-        if clientY.count > 32 {
-            clientY = clientY.suffix(32)
-        }
+        let clientX = peerKey.ecP256PublicKey.x.ensureLength(length: 32)
+        let clientY = peerKey.ecP256PublicKey.y.ensureLength(length: 32)
         let key = try ECPublicKey(domain: domain, w: Point(BInt(magnitude: [UInt8](clientX)), BInt(magnitude: [UInt8](clientY))))
         
-        let dhs = try (privateKey?.domain.multiplyPoint(key.w, privateKey!.s).x.asMagnitudeBytes())!
+        let dhsRaw = try (privateKey?.domain.multiplyPoint(key.w, privateKey!.s).x.asMagnitudeBytes())!
+        let dhs = Data(dhsRaw).ensureLength(length: 32)
         var sha = SHA256()
         sha.update(data: dhs)
         let derivedSecretKey = Data(sha.finalize())
@@ -539,6 +585,8 @@ class NearbyConnection {
         connection.stateUpdateHandler = nil
         inactivityTimer?.cancel()
         inactivityTimer = nil
+        dataTransferInactivityTimer?.cancel()
+        dataTransferInactivityTimer = nil
         connectionClosed = true
         connection.send(content: nil, isComplete: true, completion: .contentProcessed { _ in })
     }
@@ -549,15 +597,23 @@ class NearbyConnection {
         offlineFrame.version = .v1
         offlineFrame.v1.type = .disconnection
         offlineFrame.v1.disconnection = Location_Nearby_Connections_DisconnectionFrame()
-        
-        if encryptionDone {
-            try encryptAndSendOfflineFrame(offlineFrame)
-        } else {
-            try sendFrameAsync(offlineFrame.serializedData())
+
+        if connectionClosed {
+            disconnect()
+            return
+        }
+
+        let finishDisconnect: () -> Void = {
+            log("[NearbyConnection \(self.id)] Sent disconnection frame during sendDisconnectionAndDisconnect")
+            self.disconnect()
         }
         
-        log("[NearbyConnection \(self.id)] Sent disconnection frame during sendDisconnectionAndDisconnect")
-        disconnect()
+        if encryptionDone {
+            try encryptAndSendOfflineFrame(offlineFrame, completion: finishDisconnect)
+        } else {
+            let data = try offlineFrame.serializedData()
+            sendFrameAsync(data, completion: finishDisconnect)
+        }
     }
     
     
@@ -597,8 +653,11 @@ class NearbyConnection {
     
     
     func startAndResetHeartbeatTimer() {
+        if connectionClosed {
+            return
+        }
         
-        if lastKeepAliveFrameSent.isOlderThan(seconds: ackInterval) {
+        if encryptionDone && lastKeepAliveFrameSent.isOlderThan(seconds: ackInterval) {
             sendKeepAlive(ack: false)
         }
         
@@ -623,7 +682,14 @@ class NearbyConnection {
     
     
     func startDataTransferTimer(previousBytesTransferred: Int64) {
-        NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + ackTimeoutInterval) {
+        dataTransferInactivityTimer?.cancel()
+        
+        dataTransferInactivityTimer = DispatchSource.makeTimerSource(queue: NearbyConnection.dispatchQueue)
+        dataTransferInactivityTimer?.schedule(deadline: .now() + ackTimeoutInterval)
+        dataTransferInactivityTimer?.setEventHandler { [weak self] in
+            
+            guard let self = self else { return }
+            guard !self.connectionClosed, self.isTransferring else { return }
             
             if previousBytesTransferred < self.bytesTransferred {
                 // everything good, transferred more than last check, schedule next check
@@ -631,13 +697,13 @@ class NearbyConnection {
             }
             else {
                 // connection stale, need to abort
-                if !self.connectionClosed {
-                    log("[NearbyConnection \(self.id)] Connection timeout: No more data received in \(self.ackTimeoutInterval) seconds")
-                    self.lastError = NearbyError.canceled(reason: .timedOut)
-                    self.disconnect()
-                }
+                log("[NearbyConnection \(self.id)] Connection timeout: No more data received in \(self.ackTimeoutInterval) seconds")
+                self.lastError = NearbyError.canceled(reason: .timedOut)
+                self.disconnect()
             }
         }
+        
+        dataTransferInactivityTimer?.resume()
     }
     
     

NearbyShare/Connection/NearbyConnectionManager.swift

@@ -21,6 +21,8 @@ import LUI
 
 public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearbyConnectionDelegate, OutboundNearbyConnectionDelegate, ObservableObject {
     
+    // MARK: Private Properties
+    
     #if !EXTENSION
     private let sleepManager = SleepManager.shared
     #endif
@@ -32,7 +34,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private var inboundAppDelegates: [InboundAppDelegate] = []
     private var outgoingTransfers: [String: OutgoingTransferInfo] = [:]
     private var startedDeviceDiscovery = false
-    private var startedAdvertising = false
+    private var startedAdvertising = false { didSet { informAboutStatus() }}
     private var browsers: [NWBrowser] = []
     private let serviceTypes = ["_FC9F5ED42C8A._tcp."]
     private var qrCodePrivateKey: ECPrivateKey?
@@ -42,24 +44,36 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private let connectionMonitorQueue = DispatchQueue(label: "NetworkConnectionMonitorQueue")
     private var securityScopeUrl: URL?
     private static let customDeviceNameKey = "com.leonboettger.quickdrop.deviceName"
+    private var defaultPort: NWEndpoint.Port = 50362
+    private let txtKeyEndpointInfo = "n"
+    private let txtKeyNotificationSyncCapabilities = "qd_caps"
+    private let txtKeyNotificationSyncKeyFingerprint = "qd_kid"
+    private let notificationSyncCapabilityToken = "nsync1"
+    private let unnamedAndroidFallbackDeviceName = "AndroidDevice".localized()
     
-    public let endpointID: [UInt8] = generateEndpointID()
+    
+    // MARK: Shared Instance
     
     public static let shared = NearbyConnectionManager()
     
+    
+    // MARK: Published State
+    
     @Published var attachments: AttachmentDetails? = nil
     @Published var hasLocalNetworkPermission = true
-    @Published var isConnectedToLocalNetwork = true
+    @Published var isConnectedToLocalNetwork = true { didSet { informAboutStatus() }}
     @Published var deviceInfo: EndpointInfo
     
-    public var connectionUpdateCallback: (Bool) -> Void = { _ in } {
-        didSet {
-            connectionUpdateCallback(isConnectedToLocalNetwork)
-        }
-    }
     
+    // MARK: Public Properties
+    
+    public var endpointID: [UInt8] = getEndpointID(forceRegeneration: false)
+    public var connectionUpdateCallback: (Bool) -> Void = { _ in } { didSet { informAboutStatus() }}
     public var changedDeviceNameCallback: () -> Void = { }
     
+    
+    // MARK: Initializers
+    
     override init() {
         self.deviceInfo = Self.getEndpointInfo()
         tcpListener = try! NWListener(using: NWParameters(tls: .none))
@@ -83,7 +97,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
                     log("[NearbyConnectionManager] Local network lost.")
                 }
                 self.isConnectedToLocalNetwork = isConnected
-                self.connectionUpdateCallback(isConnected)
             }
         }
         
@@ -113,6 +126,8 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
+    // MARK: Deinitializer
+    
     deinit {
         self.stopAccessingSaveDirectory()
     }
@@ -161,22 +176,73 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    public func becomeVisible() {
+    public func becomeVisible(randomPort: Bool = false) {
         if startedAdvertising {
             log("[NearbyConnectionManager] Already advertising, skipping")
             return
         }
         
         log("[NearbyConnectionManager] Becoming visible")
+        let parameters = NWParameters(tls: .none)
         
-        tcpListener = try! NWListener(using: NWParameters(tls: .none))
-        startedAdvertising = true
-        
-        tcpListener.stateUpdateHandler = { (state: NWListener.State) in
-            if case .ready = state {
-                self.initMDNS()
+        do {
+            if randomPort {
+                self.tcpListener = try NWListener(using: parameters)
+            } else {
+                self.tcpListener = try NWListener(using: parameters, on: defaultPort)
             }
         }
+        catch {
+            log("[NearbyConnectionManager] Error starting TCP listener: \(error). Trying with random port.")
+            
+            runAfter(seconds: 1) {
+                self.becomeVisible(randomPort: true)
+            }
+            
+            return
+        }
+        
+        startedAdvertising = true
+        
+        tcpListener.stateUpdateHandler = { state in
+            switch state {
+            case .ready:
+                log("[NearbyConnectionManager] Listener ready")
+                self.initMDNS(forceIDRegeneration: randomPort)
+                
+                if let port = self.tcpListener.port, port != self.defaultPort {
+                    log("[NearbyConnectionManager] Updated default port to \(port)")
+                    self.defaultPort = port
+                }
+                
+            case .failed(let error):
+                log("[NearbyConnectionManager] Listener failed: \(error)")
+                self.becomeInvisible()
+                
+                runAfter(seconds: 1) {
+                    if case .posix(let posixError) = error,
+                       posixError == .EADDRINUSE {
+                        self.becomeVisible(randomPort: true)
+                    }
+                    else {
+                        self.becomeVisible()
+                    }
+                }
+                
+            case .cancelled:
+                log("[NearbyConnectionManager] Listener cancelled")
+                
+            case .setup:
+                log("[NearbyConnectionManager] Listener setup")
+                
+            case .waiting(let state):
+                log("[NearbyConnectionManager] Listener waiting: \(state)")
+                
+            @unknown default:
+                log("[NearbyConnectionManager] Listener unknown state")
+            }
+        }
+        
         tcpListener.newConnectionHandler = { (connection: NWConnection) in
             let id = UUID().uuidString
             let conn = InboundNearbyConnection(connection: connection, id: id)
@@ -184,6 +250,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             conn.delegate = self
             conn.start()
         }
+        
         tcpListener.start(queue: .global(qos: .utility))
     }
     
@@ -202,11 +269,13 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    private static func generateEndpointID() -> [UInt8] {
+    private static func getEndpointID(forceRegeneration: Bool) -> [UInt8] {
         
         // Try to retrieve from UserDefaults
-        if let savedString = Settings.shared.endpointID,
+        if !forceRegeneration,
+           let savedString = Settings.sharedInstance.endpointID,
            let savedData = savedString.data(using: .utf8) {
+            log("[NearbyConnectionManager] Using cached endpoint ID: \(savedString)")
             return [UInt8](savedData)
         }
         
@@ -219,13 +288,17 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         
         // Save to UserDefaults as String
         let idString = String(bytes: id, encoding: .utf8) ?? ""
-        Settings.shared.endpointID = idString
+        Settings.sharedInstance.endpointID = idString
+        log("[NearbyConnectionManager] Storing new endpoint ID: \(idString) ======================================")
         
         return id
     }
     
     
-    private func initMDNS() {
+    private func initMDNS(forceIDRegeneration: Bool) {
+        
+        self.endpointID = Self.getEndpointID(forceRegeneration: forceIDRegeneration)
+        
         let nameBytes: [UInt8] = [
             0x23, // PCP
             endpointID[0], endpointID[1], endpointID[2], endpointID[3],
@@ -239,14 +312,29 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         mdnsServices = serviceTypes.map { serviceType in
             let service = NetService(domain: "", type: serviceType, name: name, port: port)
             service.delegate = self
-            service.setTXTRecord(NetService.data(fromTXTRecord: [
-                "n": deviceInfo.serialize().urlSafeBase64EncodedString().data(using: .utf8)!,
-            ]))
+            var txtRecord: [String: Data] = [
+                txtKeyEndpointInfo: deviceInfo.serialize().urlSafeBase64EncodedString().data(using: .utf8)!,
+            ]
+            #if os(macOS)
+            txtRecord[txtKeyNotificationSyncCapabilities] = Data(notificationSyncCapabilityToken.utf8)
+            if let keyFingerprint = notificationSyncKeyFingerprintHex() {
+                txtRecord[txtKeyNotificationSyncKeyFingerprint] = Data(keyFingerprint.utf8)
+            }
+            #endif
+            service.setTXTRecord(NetService.data(fromTXTRecord: txtRecord))
             service.publish()
             return service
         }
     }
     
+
+    private func notificationSyncKeyFingerprintHex() -> String? {
+        guard let keyID = IdentityManager.shared.getPublicKey()?.toGenericPublicKey().id() else {
+            return nil
+        }
+        return keyID.hex.lowercased()
+    }
+    
     
     private func stopMDNS() {
         // Gracefully stop each published service
@@ -273,13 +361,25 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     
     func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?) {
         incomingConnections.removeValue(forKey: connection.id)
-        
+
+        // Control transfers suppress normal success callbacks, but
+        // still forward failures so pending consent/error UI can be cleaned up.
+        if connection.isControlTransfer, error == nil {
+            return
+        }
+
         if !connection.wasUserRejected {
             inboundAppDelegates.forEach { delegate in
                 delegate.connectionWasTerminated(connectionID: connection.id, from: connection.remoteDeviceInfo, savedFiles: savedFiles, wasPlainTextTransfer: connection.isPlainTextTransfer, error: error)
             }
         }
     }
+
+    func notificationSyncSetupConfirmed(connection _: InboundNearbyConnection) {
+        inboundAppDelegates.forEach { delegate in
+            delegate.notificationSyncSetupConfirmed()
+        }
+    }
     
     
     func showPlusScreen() {
@@ -296,11 +396,16 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    public func submitUserConsent(transferID: String, accept: Bool, trustDevice: Bool) {
+    public func submitUserConsent(
+        transferID: String,
+        accept: Bool,
+        trustDevice: Bool,
+        pairingToken: String? = nil
+    ) {
         guard let conn = incomingConnections[transferID] else { return }
         
         log("[NearbyConnectionManager] Submitting user consent for transfer \(transferID), accepted: \(accept)")
-        conn.submitUserConsent(accepted: accept, trustDevice: trustDevice)
+        conn.submitUserConsent(accepted: accept, trustDevice: trustDevice, pairingToken: pairingToken)
     }
     
     
@@ -413,8 +518,14 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             info.connection.cancel()
         }
     }
-    
-    
+
+    public func cancelAllIncomingConnections() {
+        let incomingTransfers = Array(incomingConnections.values)
+        for transfer in incomingTransfers {
+            transfer.cancel()
+        }
+    }
+
     private func endpointID(for service: NWBrowser.Result) -> String? {
         guard case let NWEndpoint.service(name: serviceName, type: _, domain: _, interface: _) = service.endpoint else { return nil }
         guard let nameData = Data.dataFromUrlSafeBase64(serviceName) else { return nil }
@@ -439,24 +550,24 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         var foundService = FoundServiceInfo(service: service)
         
         guard case let NWBrowser.Result.Metadata.bonjour(txtRecord) = service.metadata else { return }
-        guard let endpointInfoEncoded = txtRecord.dictionary["n"] else { return }
+        guard let endpointInfoEncoded = txtRecord.dictionary[txtKeyEndpointInfo] else { return }
         guard let endpointInfoData = Data.dataFromUrlSafeBase64(endpointInfoEncoded) else { return }
-        guard var endpointInfo = EndpointInfo(data: endpointInfoData) else { return }
-        var deviceInfo: RemoteDeviceInfo?
-        
-        if let _ = endpointInfo.name {
-            deviceInfo = addFoundDevice(foundService: &foundService, endpointInfo: endpointInfo, endpointID: endpointID)
+        var endpointInfo = EndpointInfo(data: endpointInfoData)
+            ?? EndpointInfo(name: unnamedAndroidFallbackDeviceName, deviceType: .unknown)
+
+        let cleanedName = endpointInfo.name?.trimmingCharacters(in: .whitespacesAndNewlines)
+        if cleanedName?.isEmpty != false {
+            endpointInfo.name = unnamedAndroidFallbackDeviceName
         }
+        let deviceInfo = addFoundDevice(foundService: &foundService, endpointInfo: endpointInfo, endpointID: endpointID)
         
         if let qrData = endpointInfo.qrCodeData, let qrCodeAdvertisingToken = qrCodeAdvertisingToken, let qrCodeNameEncryptionKey = qrCodeNameEncryptionKey {
             
             log("[NearbyConnectionManager] Device has QR data: \(qrData.base64EncodedString()), advertising token is \(qrCodeAdvertisingToken.base64EncodedString())")
             
             if qrData == qrCodeAdvertisingToken {
-                if let deviceInfo = deviceInfo {
-                    for delegate in outboundAppDelegates {
-                        delegate.startTransferWithQrCode(device: deviceInfo)
-                    }
+                for delegate in outboundAppDelegates {
+                    delegate.startTransferWithQrCode(device: deviceInfo)
                 }
             }
             else if qrData.count > 28 {
@@ -478,10 +589,17 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     
     
     private func addFoundDevice(foundService: inout FoundServiceInfo, endpointInfo: EndpointInfo, endpointID: String) -> RemoteDeviceInfo {
+        let hadPreviousDevice = foundServices[endpointID]?.device != nil
         let deviceInfo = RemoteDeviceInfo(info: endpointInfo, id: endpointID)
         foundService.device = deviceInfo
         foundServices[endpointID] = foundService
         
+        if hadPreviousDevice {
+            for delegate in outboundAppDelegates {
+                delegate.removeDevice(id: endpointID)
+            }
+        }
+        
         for delegate in outboundAppDelegates {
             delegate.addDevice(device: deviceInfo)
         }
@@ -505,19 +623,18 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
+        
         qrCodePrivateKey = privKey
+        
         var keyData = Data()
         keyData.append(contentsOf: [0, 0, 2])
-        let keyBytes = Data(pubKey.w.x.asSignedBytes())
-        
-        // Sometimes, for some keys, there will be a leading zero byte. Strip that, Android really hates it (it breaks the endpoint info)
-        keyData.append(keyBytes.suffixOfAtMost(numBytes: 32))
+        keyData.append(Data(pubKey.w.x.asSignedBytes()).ensureLength(length: 32))
         
         let ikm = SymmetricKey(data: keyData)
+        
         qrCodeAdvertisingToken = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "advertisingContext".data(using: .utf8)!, outputLength: 16).data()
         qrCodeNameEncryptionKey = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "encryptionKey".data(using: .utf8)!, outputLength: 16)
         
-        
         do {
             let qrKey = keyData.urlSafeBase64EncodedString()
             let qrCodeImage = try QRCode.build
@@ -554,6 +671,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             let conn = OutboundNearbyConnection(connection: nwconn, id: deviceID, urlsToSend: localUrls, textToSend: textToSend)
             conn.delegate = self
             conn.qrCodePrivateKey = qrCodePrivateKey
+            
             let transfer = OutgoingTransferInfo(service: info.service, device: info.device!, connection: conn, delegate: delegate)
             outgoingTransfers[deviceID] = transfer
             conn.start()
@@ -671,7 +789,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             return securityScopeUrl
         }
 
-        if let bookmarkData = Settings.shared.saveFolderBookmark {
+        if let bookmarkData = Settings.sharedInstance.saveFolderBookmark {
             var isStale = false
    
             do {
@@ -721,6 +839,14 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
+    // MARK: Callbacks
+    
+    func informAboutStatus() {
+        DispatchQueue.main.async {
+            self.connectionUpdateCallback(self.isConnectedToLocalNetwork && self.startedAdvertising)
+        }
+    }
+    
     
     // -- MARK: - Internal Data Model
     

NearbyShare/Connection/OutboundNearbyConnection.swift

@@ -147,15 +147,50 @@ class OutboundNearbyConnection: NearbyConnection {
         
         switch currentState {
         case .sentPairedKeyEncryption:
-            try processPairedKeyEncryption(frame: frame)
+            if frame.hasV1, frame.v1.hasPairedKeyEncryption {
+                try processPairedKeyEncryption(frame: frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasPairedKeyResult {
+                log("[OutboundNearbyConnection \(self.id)] Received pairedKeyResult before pairedKeyEncryption; continuing for legacy compatibility.")
+                try processPairedKeyResult(frame: frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .progressUpdate || frame.v1.type == .response {
+                    log("[OutboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for pairedKeyEncryption.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("sharingNearbyFrame.v1.pairedKeyEncryption")
         case .sentPairedKeyResult:
-            try processPairedKeyResult(frame: frame)
+            if frame.hasV1, frame.v1.hasPairedKeyResult {
+                try processPairedKeyResult(frame: frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .pairedKeyEncryption || frame.v1.type == .progressUpdate || frame.v1.type == .response {
+                    log("[OutboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for pairedKeyResult.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("sharingNearbyFrame.v1.pairedKeyResult")
         case .sentIntroduction:
-            try processConsent(frame: frame)
+            if frame.version == .v1, frame.v1.type == .response {
+                try processConsent(frame: frame)
+                return
+            }
+            if frame.hasV1, frame.v1.hasType {
+                if frame.v1.type == .pairedKeyEncryption || frame.v1.type == .pairedKeyResult || frame.v1.type == .progressUpdate {
+                    log("[OutboundNearbyConnection \(self.id)] Ignoring duplicate/intermediate transfer setup frame \(frame.v1.type) while waiting for consent.")
+                    return
+                }
+            }
+            throw NearbyError.requiredFieldMissing("sharingNearbyFrame.v1.type==response")
         case .sendingFiles:
             break
         default:
-            assertionFailure("[OutboundNearbyConnection \(self.id)] Unexpected state \(currentState)")
+            log("[OutboundNearbyConnection \(self.id)] Unexpected state \(currentState)")
         }
     }
     
@@ -269,6 +304,12 @@ class OutboundNearbyConnection: NearbyConnection {
     private func processConnectionResponse(frame: Location_Nearby_Connections_OfflineFrame) throws {
         
         guard frame.version == .v1 else { throw NearbyError.protocolError("Unexpected offline frame version \(frame.version)") }
+        guard frame.hasV1, frame.v1.hasType else { throw NearbyError.requiredFieldMissing("offlineFrame.v1.type") }
+
+        if frame.v1.type == .keepAlive {
+            log("[OutboundNearbyConnection \(self.id)] Ignoring keep-alive while waiting for connection response")
+            return
+        }
         
         guard frame.v1.type == .connectionResponse else { throw NearbyError.protocolError("Unexpected frame type \(frame.v1.type)") }
         

NearbyShare/Model/DataModel.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import UniformTypeIdentifiers
 import Network
 import CryptoKit
 import SwiftECC
@@ -18,6 +19,7 @@ protocol InboundNearbyConnectionDelegate {
     func updatedTransferProgress(connection: InboundNearbyConnection, progress: Double)
     func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?)
     func showPlusScreen()
+    func notificationSyncSetupConfirmed(connection: InboundNearbyConnection)
 }
 
 
@@ -36,6 +38,11 @@ public protocol InboundAppDelegate: AnyObject {
     func connectionWasTerminated(connectionID: String, from device: RemoteDeviceInfo?, savedFiles: [URL], wasPlainTextTransfer: Bool, error: Error?)
     func transferProgress(connectionID: String, progress: Double)
     func showPlusScreen()
+    func notificationSyncSetupConfirmed()
+}
+
+extension InboundAppDelegate {
+    func notificationSyncSetupConfirmed() {}
 }
 
 
@@ -137,31 +144,71 @@ public struct TransferMetadata {
         case file
         case text
         case url
+        case wifiPassword
+        case notificationSync
     }
     
     private func getSummary() -> String {
         if let textTitle = textDescription {
             return textTitle
         } else if files.count == 1 {
-            return files[0].name
+            return fileTypeSummary(for: files[0])
         } else {
             return String.localizedStringWithFormat("NFiles".localized(), files.count)
         }
     }
+
+    private func fileTypeSummary(for file: FileMetadata) -> String {
+        let mimeType = file.mimeType.lowercased()
+        let ext = URL(fileURLWithPath: file.name).pathExtension.lowercased()
+        let type = UTType(mimeType: mimeType) ?? UTType(filenameExtension: ext)
+
+        if let type, type.conforms(to: .pdf) {
+            return UTType.pdf.localizedDescription ?? "PDF"
+        }
+        if let type, type.conforms(to: .image) {
+            return UTType.image.localizedDescription ?? "Image"
+        }
+        if let type, type.conforms(to: .video) || type.conforms(to: .movie) {
+            return UTType.video.localizedDescription ?? "Video"
+        }
+        if let type, type.conforms(to: .audio) {
+            return UTType.audio.localizedDescription ?? "Audio"
+        }
+        if let type, type.conforms(to: .text) {
+            return UTType.text.localizedDescription ?? "Text"
+        }
+        if let type, type.conforms(to: .archive) {
+            return UTType.archive.localizedDescription ?? "Archive"
+        }
+        if let type, let description = type.localizedDescription {
+            return description
+        }
+        return "File"
+    }
     
-    public func getDescription(deviceName: String, alreadyAccepted: Bool) -> String {
+    public func getDescription(deviceName: String) -> String {
         
         let fileStr = getSummary()
         
         switch type {
             case .file:
-                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingFiles" : "DeviceSendingFiles").localized(), arguments: [deviceName, fileStr])
+            return "DeviceSendingFiles".localized(with: fileStr, deviceName)
             
             case .text:
-                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingText" : "DeviceSendingText").localized(), arguments: [deviceName, fileStr])
+            return "DeviceSendingText".localized(with: deviceName)
             
             case .url:
-                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingUrl" : "DeviceSendingUrl").localized(), arguments: [deviceName, fileStr])
+            return "DeviceSendingUrl".localized(with: deviceName)
+            
+            case .wifiPassword:
+            return "DeviceSendingWifiPassword".localized(with: deviceName)
+
+            case .notificationSync:
+            if let textDescription, !textDescription.isEmpty {
+                return textDescription
+            }
+            return "NotificationSyncConsentPromptFromDevice".localized(with: deviceName)
         }
     }
     
@@ -170,6 +217,31 @@ public struct TransferMetadata {
     }
 }
 
+enum PairingUseCase: String {
+    case notificationSync = "notification_sync"
+    case clipboardSync = "clipboard_sync"
+
+    var protoValue: Sharing_Nearby_PairingMetadata.UseCase {
+        switch self {
+        case .notificationSync:
+            return .notificationSync
+        case .clipboardSync:
+            return .clipboardSync
+        }
+    }
+
+    init?(protoValue: Sharing_Nearby_PairingMetadata.UseCase) {
+        switch protoValue {
+        case .notificationSync:
+            self = .notificationSync
+        case .clipboardSync:
+            self = .clipboardSync
+        case .unknown:
+            return nil
+        }
+    }
+}
+
 
 public struct FileMetadata {
     public let name: String
@@ -289,6 +361,7 @@ public enum NearbyError: Error {
     case packetFilterError
     case firewallError
     case inputOutput
+    case notificationSyncNotTrusted
     case canceled(reason: CancellationReason)
 
     public enum CancellationReason {

NearbyShare/Model/Protobuf/wire_format.pb.swift

@@ -334,6 +334,151 @@ struct Sharing_Nearby_WifiCredentialsMetadata: Sendable {
   fileprivate var _id: Int64? = nil
 }
 
+/// NEXT_ID=10
+struct Sharing_Nearby_MirroredNotificationMetadata: Sendable {
+  // SwiftProtobuf.Message conformance is added in an extension below. See the
+  // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
+  // methods supported on all messages.
+
+  var version: Int32 {
+    get {return _version ?? 1}
+    set {_version = newValue}
+  }
+  /// Returns true if `version` has been explicitly set.
+  var hasVersion: Bool {return self._version != nil}
+  /// Clears the value of `version`. Subsequent reads from it will return its default value.
+  mutating func clearVersion() {self._version = nil}
+
+  var notificationKey: String {
+    get {return _notificationKey ?? String()}
+    set {_notificationKey = newValue}
+  }
+  /// Returns true if `notificationKey` has been explicitly set.
+  var hasNotificationKey: Bool {return self._notificationKey != nil}
+  /// Clears the value of `notificationKey`. Subsequent reads from it will return its default value.
+  mutating func clearNotificationKey() {self._notificationKey = nil}
+
+  var packageName: String {
+    get {return _packageName ?? String()}
+    set {_packageName = newValue}
+  }
+  /// Returns true if `packageName` has been explicitly set.
+  var hasPackageName: Bool {return self._packageName != nil}
+  /// Clears the value of `packageName`. Subsequent reads from it will return its default value.
+  mutating func clearPackageName() {self._packageName = nil}
+
+  var appName: String {
+    get {return _appName ?? String()}
+    set {_appName = newValue}
+  }
+  /// Returns true if `appName` has been explicitly set.
+  var hasAppName: Bool {return self._appName != nil}
+  /// Clears the value of `appName`. Subsequent reads from it will return its default value.
+  mutating func clearAppName() {self._appName = nil}
+
+  var title: String {
+    get {return _title ?? String()}
+    set {_title = newValue}
+  }
+  /// Returns true if `title` has been explicitly set.
+  var hasTitle: Bool {return self._title != nil}
+  /// Clears the value of `title`. Subsequent reads from it will return its default value.
+  mutating func clearTitle() {self._title = nil}
+
+  var body: String {
+    get {return _body ?? String()}
+    set {_body = newValue}
+  }
+  /// Returns true if `body` has been explicitly set.
+  var hasBody: Bool {return self._body != nil}
+  /// Clears the value of `body`. Subsequent reads from it will return its default value.
+  mutating func clearBody() {self._body = nil}
+
+  var postedAtEpochMs: Int64 {
+    get {return _postedAtEpochMs ?? 0}
+    set {_postedAtEpochMs = newValue}
+  }
+  /// Returns true if `postedAtEpochMs` has been explicitly set.
+  var hasPostedAtEpochMs: Bool {return self._postedAtEpochMs != nil}
+  /// Clears the value of `postedAtEpochMs`. Subsequent reads from it will return its default value.
+  mutating func clearPostedAtEpochMs() {self._postedAtEpochMs = nil}
+
+  var unknownFields = SwiftProtobuf.UnknownStorage()
+
+  init() {}
+
+  fileprivate var _version: Int32? = nil
+  fileprivate var _notificationKey: String? = nil
+  fileprivate var _packageName: String? = nil
+  fileprivate var _appName: String? = nil
+  fileprivate var _title: String? = nil
+  fileprivate var _body: String? = nil
+  fileprivate var _postedAtEpochMs: Int64? = nil
+}
+
+/// NEXT_ID=5
+struct Sharing_Nearby_PairingMetadata: Sendable {
+  // SwiftProtobuf.Message conformance is added in an extension below. See the
+  // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
+  // methods supported on all messages.
+
+  var version: Int32 {
+    get {return _version ?? 1}
+    set {_version = newValue}
+  }
+  /// Returns true if `version` has been explicitly set.
+  var hasVersion: Bool {return self._version != nil}
+  /// Clears the value of `version`. Subsequent reads from it will return its default value.
+  mutating func clearVersion() {self._version = nil}
+
+  var useCase: Sharing_Nearby_PairingMetadata.UseCase {
+    get {return _useCase ?? .unknown}
+    set {_useCase = newValue}
+  }
+  /// Returns true if `useCase` has been explicitly set.
+  var hasUseCase: Bool {return self._useCase != nil}
+  /// Clears the value of `useCase`. Subsequent reads from it will return its default value.
+  mutating func clearUseCase() {self._useCase = nil}
+
+  var setupRequest: Bool {
+    get {return _setupRequest ?? false}
+    set {_setupRequest = newValue}
+  }
+  /// Returns true if `setupRequest` has been explicitly set.
+  var hasSetupRequest: Bool {return self._setupRequest != nil}
+  /// Clears the value of `setupRequest`. Subsequent reads from it will return its default value.
+  mutating func clearSetupRequest() {self._setupRequest = nil}
+
+  var setupPinHash: Data {
+    get {return _setupPinHash ?? Data()}
+    set {_setupPinHash = newValue}
+  }
+  /// Returns true if `setupPinHash` has been explicitly set.
+  var hasSetupPinHash: Bool {return self._setupPinHash != nil}
+  /// Clears the value of `setupPinHash`. Subsequent reads from it will return its default value.
+  mutating func clearSetupPinHash() {self._setupPinHash = nil}
+
+  var unknownFields = SwiftProtobuf.UnknownStorage()
+
+  enum UseCase: Int, SwiftProtobuf.Enum, Swift.CaseIterable {
+    case unknown = 0
+    case notificationSync = 1
+    case clipboardSync = 2
+
+    init() {
+      self = .unknown
+    }
+
+  }
+
+  init() {}
+
+  fileprivate var _version: Int32? = nil
+  fileprivate var _useCase: Sharing_Nearby_PairingMetadata.UseCase? = nil
+  fileprivate var _setupRequest: Bool? = nil
+  fileprivate var _setupPinHash: Data? = nil
+}
+
 /// NEXT_ID=8
 struct Sharing_Nearby_AppMetadata: Sendable {
   // SwiftProtobuf.Message conformance is added in an extension below. See the
@@ -505,76 +650,76 @@ struct Sharing_Nearby_Frame: Sendable {
 }
 
 /// NEXT_ID=8
-struct Sharing_Nearby_V1Frame: @unchecked Sendable {
+struct Sharing_Nearby_V1Frame: Sendable {
   // SwiftProtobuf.Message conformance is added in an extension below. See the
   // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
   // methods supported on all messages.
 
   var type: Sharing_Nearby_V1Frame.FrameType {
-    get {return _storage._type ?? .unknownFrameType}
-    set {_uniqueStorage()._type = newValue}
+    get {return _type ?? .unknownFrameType}
+    set {_type = newValue}
   }
   /// Returns true if `type` has been explicitly set.
-  var hasType: Bool {return _storage._type != nil}
+  var hasType: Bool {return self._type != nil}
   /// Clears the value of `type`. Subsequent reads from it will return its default value.
-  mutating func clearType() {_uniqueStorage()._type = nil}
+  mutating func clearType() {self._type = nil}
 
   /// At most one of the following fields will be set.
   var introduction: Sharing_Nearby_IntroductionFrame {
-    get {return _storage._introduction ?? Sharing_Nearby_IntroductionFrame()}
-    set {_uniqueStorage()._introduction = newValue}
+    get {return _introduction ?? Sharing_Nearby_IntroductionFrame()}
+    set {_introduction = newValue}
   }
   /// Returns true if `introduction` has been explicitly set.
-  var hasIntroduction: Bool {return _storage._introduction != nil}
+  var hasIntroduction: Bool {return self._introduction != nil}
   /// Clears the value of `introduction`. Subsequent reads from it will return its default value.
-  mutating func clearIntroduction() {_uniqueStorage()._introduction = nil}
+  mutating func clearIntroduction() {self._introduction = nil}
 
   var connectionResponse: Sharing_Nearby_ConnectionResponseFrame {
-    get {return _storage._connectionResponse ?? Sharing_Nearby_ConnectionResponseFrame()}
-    set {_uniqueStorage()._connectionResponse = newValue}
+    get {return _connectionResponse ?? Sharing_Nearby_ConnectionResponseFrame()}
+    set {_connectionResponse = newValue}
   }
   /// Returns true if `connectionResponse` has been explicitly set.
-  var hasConnectionResponse: Bool {return _storage._connectionResponse != nil}
+  var hasConnectionResponse: Bool {return self._connectionResponse != nil}
   /// Clears the value of `connectionResponse`. Subsequent reads from it will return its default value.
-  mutating func clearConnectionResponse() {_uniqueStorage()._connectionResponse = nil}
+  mutating func clearConnectionResponse() {self._connectionResponse = nil}
 
   var pairedKeyEncryption: Sharing_Nearby_PairedKeyEncryptionFrame {
-    get {return _storage._pairedKeyEncryption ?? Sharing_Nearby_PairedKeyEncryptionFrame()}
-    set {_uniqueStorage()._pairedKeyEncryption = newValue}
+    get {return _pairedKeyEncryption ?? Sharing_Nearby_PairedKeyEncryptionFrame()}
+    set {_pairedKeyEncryption = newValue}
   }
   /// Returns true if `pairedKeyEncryption` has been explicitly set.
-  var hasPairedKeyEncryption: Bool {return _storage._pairedKeyEncryption != nil}
+  var hasPairedKeyEncryption: Bool {return self._pairedKeyEncryption != nil}
   /// Clears the value of `pairedKeyEncryption`. Subsequent reads from it will return its default value.
-  mutating func clearPairedKeyEncryption() {_uniqueStorage()._pairedKeyEncryption = nil}
+  mutating func clearPairedKeyEncryption() {self._pairedKeyEncryption = nil}
 
   var pairedKeyResult: Sharing_Nearby_PairedKeyResultFrame {
-    get {return _storage._pairedKeyResult ?? Sharing_Nearby_PairedKeyResultFrame()}
-    set {_uniqueStorage()._pairedKeyResult = newValue}
+    get {return _pairedKeyResult ?? Sharing_Nearby_PairedKeyResultFrame()}
+    set {_pairedKeyResult = newValue}
   }
   /// Returns true if `pairedKeyResult` has been explicitly set.
-  var hasPairedKeyResult: Bool {return _storage._pairedKeyResult != nil}
+  var hasPairedKeyResult: Bool {return self._pairedKeyResult != nil}
   /// Clears the value of `pairedKeyResult`. Subsequent reads from it will return its default value.
-  mutating func clearPairedKeyResult() {_uniqueStorage()._pairedKeyResult = nil}
+  mutating func clearPairedKeyResult() {self._pairedKeyResult = nil}
 
   /// NOTE: This field was marked as deprecated in the .proto file.
   var certificateInfo: Sharing_Nearby_CertificateInfoFrame {
-    get {return _storage._certificateInfo ?? Sharing_Nearby_CertificateInfoFrame()}
-    set {_uniqueStorage()._certificateInfo = newValue}
+    get {return _certificateInfo ?? Sharing_Nearby_CertificateInfoFrame()}
+    set {_certificateInfo = newValue}
   }
   /// Returns true if `certificateInfo` has been explicitly set.
-  var hasCertificateInfo: Bool {return _storage._certificateInfo != nil}
+  var hasCertificateInfo: Bool {return self._certificateInfo != nil}
   /// Clears the value of `certificateInfo`. Subsequent reads from it will return its default value.
-  mutating func clearCertificateInfo() {_uniqueStorage()._certificateInfo = nil}
+  mutating func clearCertificateInfo() {self._certificateInfo = nil}
 
   /// NOTE: This field was marked as deprecated in the .proto file.
   var progressUpdate: Sharing_Nearby_ProgressUpdateFrame {
-    get {return _storage._progressUpdate ?? Sharing_Nearby_ProgressUpdateFrame()}
-    set {_uniqueStorage()._progressUpdate = newValue}
+    get {return _progressUpdate ?? Sharing_Nearby_ProgressUpdateFrame()}
+    set {_progressUpdate = newValue}
   }
   /// Returns true if `progressUpdate` has been explicitly set.
-  var hasProgressUpdate: Bool {return _storage._progressUpdate != nil}
+  var hasProgressUpdate: Bool {return self._progressUpdate != nil}
   /// Clears the value of `progressUpdate`. Subsequent reads from it will return its default value.
-  mutating func clearProgressUpdate() {_uniqueStorage()._progressUpdate = nil}
+  mutating func clearProgressUpdate() {self._progressUpdate = nil}
 
   var unknownFields = SwiftProtobuf.UnknownStorage()
 
@@ -600,56 +745,98 @@ struct Sharing_Nearby_V1Frame: @unchecked Sendable {
 
   init() {}
 
-  fileprivate var _storage = _StorageClass.defaultInstance
+  fileprivate var _type: Sharing_Nearby_V1Frame.FrameType? = nil
+  fileprivate var _introduction: Sharing_Nearby_IntroductionFrame? = nil
+  fileprivate var _connectionResponse: Sharing_Nearby_ConnectionResponseFrame? = nil
+  fileprivate var _pairedKeyEncryption: Sharing_Nearby_PairedKeyEncryptionFrame? = nil
+  fileprivate var _pairedKeyResult: Sharing_Nearby_PairedKeyResultFrame? = nil
+  fileprivate var _certificateInfo: Sharing_Nearby_CertificateInfoFrame? = nil
+  fileprivate var _progressUpdate: Sharing_Nearby_ProgressUpdateFrame? = nil
 }
 
 /// An introduction packet sent by the sending side. Contains a list of files
 /// they'd like to share.
-/// NEXT_ID=10
-struct Sharing_Nearby_IntroductionFrame: Sendable {
+/// NEXT_ID=1003
+struct Sharing_Nearby_IntroductionFrame: @unchecked Sendable {
   // SwiftProtobuf.Message conformance is added in an extension below. See the
   // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
   // methods supported on all messages.
 
-  var fileMetadata: [Sharing_Nearby_FileMetadata] = []
+  var fileMetadata: [Sharing_Nearby_FileMetadata] {
+    get {return _storage._fileMetadata}
+    set {_uniqueStorage()._fileMetadata = newValue}
+  }
 
-  var textMetadata: [Sharing_Nearby_TextMetadata] = []
+  var textMetadata: [Sharing_Nearby_TextMetadata] {
+    get {return _storage._textMetadata}
+    set {_uniqueStorage()._textMetadata = newValue}
+  }
 
   /// The required app package to open the content. May be null.
   var requiredPackage: String {
-    get {return _requiredPackage ?? String()}
-    set {_requiredPackage = newValue}
+    get {return _storage._requiredPackage ?? String()}
+    set {_uniqueStorage()._requiredPackage = newValue}
   }
   /// Returns true if `requiredPackage` has been explicitly set.
-  var hasRequiredPackage: Bool {return self._requiredPackage != nil}
+  var hasRequiredPackage: Bool {return _storage._requiredPackage != nil}
   /// Clears the value of `requiredPackage`. Subsequent reads from it will return its default value.
-  mutating func clearRequiredPackage() {self._requiredPackage = nil}
+  mutating func clearRequiredPackage() {_uniqueStorage()._requiredPackage = nil}
 
-  var wifiCredentialsMetadata: [Sharing_Nearby_WifiCredentialsMetadata] = []
+  var wifiCredentialsMetadata: [Sharing_Nearby_WifiCredentialsMetadata] {
+    get {return _storage._wifiCredentialsMetadata}
+    set {_uniqueStorage()._wifiCredentialsMetadata = newValue}
+  }
 
-  var appMetadata: [Sharing_Nearby_AppMetadata] = []
+  var appMetadata: [Sharing_Nearby_AppMetadata] {
+    get {return _storage._appMetadata}
+    set {_uniqueStorage()._appMetadata = newValue}
+  }
 
   var startTransfer: Bool {
-    get {return _startTransfer ?? false}
-    set {_startTransfer = newValue}
+    get {return _storage._startTransfer ?? false}
+    set {_uniqueStorage()._startTransfer = newValue}
   }
   /// Returns true if `startTransfer` has been explicitly set.
-  var hasStartTransfer: Bool {return self._startTransfer != nil}
+  var hasStartTransfer: Bool {return _storage._startTransfer != nil}
   /// Clears the value of `startTransfer`. Subsequent reads from it will return its default value.
-  mutating func clearStartTransfer() {self._startTransfer = nil}
+  mutating func clearStartTransfer() {_uniqueStorage()._startTransfer = nil}
 
-  var streamMetadata: [Sharing_Nearby_StreamMetadata] = []
+  var streamMetadata: [Sharing_Nearby_StreamMetadata] {
+    get {return _storage._streamMetadata}
+    set {_uniqueStorage()._streamMetadata = newValue}
+  }
 
   var useCase: Sharing_Nearby_IntroductionFrame.SharingUseCase {
-    get {return _useCase ?? .unknown}
-    set {_useCase = newValue}
+    get {return _storage._useCase ?? .unknown}
+    set {_uniqueStorage()._useCase = newValue}
   }
   /// Returns true if `useCase` has been explicitly set.
-  var hasUseCase: Bool {return self._useCase != nil}
+  var hasUseCase: Bool {return _storage._useCase != nil}
   /// Clears the value of `useCase`. Subsequent reads from it will return its default value.
-  mutating func clearUseCase() {self._useCase = nil}
+  mutating func clearUseCase() {_uniqueStorage()._useCase = nil}
 
-  var previewPayloadIds: [Int64] = []
+  var previewPayloadIds: [Int64] {
+    get {return _storage._previewPayloadIds}
+    set {_uniqueStorage()._previewPayloadIds = newValue}
+  }
+
+  var mirroredNotificationMetadata: Sharing_Nearby_MirroredNotificationMetadata {
+    get {return _storage._mirroredNotificationMetadata ?? Sharing_Nearby_MirroredNotificationMetadata()}
+    set {_uniqueStorage()._mirroredNotificationMetadata = newValue}
+  }
+  /// Returns true if `mirroredNotificationMetadata` has been explicitly set.
+  var hasMirroredNotificationMetadata: Bool {return _storage._mirroredNotificationMetadata != nil}
+  /// Clears the value of `mirroredNotificationMetadata`. Subsequent reads from it will return its default value.
+  mutating func clearMirroredNotificationMetadata() {_uniqueStorage()._mirroredNotificationMetadata = nil}
+
+  var pairingMetadata: Sharing_Nearby_PairingMetadata {
+    get {return _storage._pairingMetadata ?? Sharing_Nearby_PairingMetadata()}
+    set {_uniqueStorage()._pairingMetadata = newValue}
+  }
+  /// Returns true if `pairingMetadata` has been explicitly set.
+  var hasPairingMetadata: Bool {return _storage._pairingMetadata != nil}
+  /// Clears the value of `pairingMetadata`. Subsequent reads from it will return its default value.
+  mutating func clearPairingMetadata() {_uniqueStorage()._pairingMetadata = nil}
 
   var unknownFields = SwiftProtobuf.UnknownStorage()
 
@@ -666,9 +853,7 @@ struct Sharing_Nearby_IntroductionFrame: Sendable {
 
   init() {}
 
-  fileprivate var _requiredPackage: String? = nil
-  fileprivate var _startTransfer: Bool? = nil
-  fileprivate var _useCase: Sharing_Nearby_IntroductionFrame.SharingUseCase? = nil
+  fileprivate var _storage = _StorageClass.defaultInstance
 }
 
 /// A progress update packet sent by the sending side. Contains transfer progress
@@ -1371,6 +1556,123 @@ extension Sharing_Nearby_WifiCredentialsMetadata.SecurityType: SwiftProtobuf._Pr
   static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{2}\0UNKNOWN_SECURITY_TYPE\0\u{1}OPEN\0\u{1}WPA_PSK\0\u{1}WEP\0\u{1}SAE\0")
 }
 
+extension Sharing_Nearby_MirroredNotificationMetadata: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
+  static let protoMessageName: String = _protobuf_package + ".MirroredNotificationMetadata"
+  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{1}version\0\u{3}notification_key\0\u{3}package_name\0\u{3}app_name\0\u{1}title\0\u{1}body\0\u{3}posted_at_epoch_ms\0\u{c}\u{8}\u{1}\u{c}\u{9}\u{1}")
+
+  mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
+    while let fieldNumber = try decoder.nextFieldNumber() {
+      // The use of inline closures is to circumvent an issue where the compiler
+      // allocates stack space for every case branch when no optimizations are
+      // enabled. https://github.com/apple/swift-protobuf/issues/1034
+      switch fieldNumber {
+      case 1: try { try decoder.decodeSingularInt32Field(value: &self._version) }()
+      case 2: try { try decoder.decodeSingularStringField(value: &self._notificationKey) }()
+      case 3: try { try decoder.decodeSingularStringField(value: &self._packageName) }()
+      case 4: try { try decoder.decodeSingularStringField(value: &self._appName) }()
+      case 5: try { try decoder.decodeSingularStringField(value: &self._title) }()
+      case 6: try { try decoder.decodeSingularStringField(value: &self._body) }()
+      case 7: try { try decoder.decodeSingularInt64Field(value: &self._postedAtEpochMs) }()
+      default: break
+      }
+    }
+  }
+
+  func traverse<V: SwiftProtobuf.Visitor>(visitor: inout V) throws {
+    // The use of inline closures is to circumvent an issue where the compiler
+    // allocates stack space for every if/case branch local when no optimizations
+    // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
+    // https://github.com/apple/swift-protobuf/issues/1182
+    try { if let v = self._version {
+      try visitor.visitSingularInt32Field(value: v, fieldNumber: 1)
+    } }()
+    try { if let v = self._notificationKey {
+      try visitor.visitSingularStringField(value: v, fieldNumber: 2)
+    } }()
+    try { if let v = self._packageName {
+      try visitor.visitSingularStringField(value: v, fieldNumber: 3)
+    } }()
+    try { if let v = self._appName {
+      try visitor.visitSingularStringField(value: v, fieldNumber: 4)
+    } }()
+    try { if let v = self._title {
+      try visitor.visitSingularStringField(value: v, fieldNumber: 5)
+    } }()
+    try { if let v = self._body {
+      try visitor.visitSingularStringField(value: v, fieldNumber: 6)
+    } }()
+    try { if let v = self._postedAtEpochMs {
+      try visitor.visitSingularInt64Field(value: v, fieldNumber: 7)
+    } }()
+    try unknownFields.traverse(visitor: &visitor)
+  }
+
+  static func ==(lhs: Sharing_Nearby_MirroredNotificationMetadata, rhs: Sharing_Nearby_MirroredNotificationMetadata) -> Bool {
+    if lhs._version != rhs._version {return false}
+    if lhs._notificationKey != rhs._notificationKey {return false}
+    if lhs._packageName != rhs._packageName {return false}
+    if lhs._appName != rhs._appName {return false}
+    if lhs._title != rhs._title {return false}
+    if lhs._body != rhs._body {return false}
+    if lhs._postedAtEpochMs != rhs._postedAtEpochMs {return false}
+    if lhs.unknownFields != rhs.unknownFields {return false}
+    return true
+  }
+}
+
+extension Sharing_Nearby_PairingMetadata: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
+  static let protoMessageName: String = _protobuf_package + ".PairingMetadata"
+  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{1}version\0\u{3}use_case\0\u{3}setup_request\0\u{3}setup_pin_hash\0")
+
+  mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
+    while let fieldNumber = try decoder.nextFieldNumber() {
+      // The use of inline closures is to circumvent an issue where the compiler
+      // allocates stack space for every case branch when no optimizations are
+      // enabled. https://github.com/apple/swift-protobuf/issues/1034
+      switch fieldNumber {
+      case 1: try { try decoder.decodeSingularInt32Field(value: &self._version) }()
+      case 2: try { try decoder.decodeSingularEnumField(value: &self._useCase) }()
+      case 3: try { try decoder.decodeSingularBoolField(value: &self._setupRequest) }()
+      case 4: try { try decoder.decodeSingularBytesField(value: &self._setupPinHash) }()
+      default: break
+      }
+    }
+  }
+
+  func traverse<V: SwiftProtobuf.Visitor>(visitor: inout V) throws {
+    // The use of inline closures is to circumvent an issue where the compiler
+    // allocates stack space for every if/case branch local when no optimizations
+    // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
+    // https://github.com/apple/swift-protobuf/issues/1182
+    try { if let v = self._version {
+      try visitor.visitSingularInt32Field(value: v, fieldNumber: 1)
+    } }()
+    try { if let v = self._useCase {
+      try visitor.visitSingularEnumField(value: v, fieldNumber: 2)
+    } }()
+    try { if let v = self._setupRequest {
+      try visitor.visitSingularBoolField(value: v, fieldNumber: 3)
+    } }()
+    try { if let v = self._setupPinHash {
+      try visitor.visitSingularBytesField(value: v, fieldNumber: 4)
+    } }()
+    try unknownFields.traverse(visitor: &visitor)
+  }
+
+  static func ==(lhs: Sharing_Nearby_PairingMetadata, rhs: Sharing_Nearby_PairingMetadata) -> Bool {
+    if lhs._version != rhs._version {return false}
+    if lhs._useCase != rhs._useCase {return false}
+    if lhs._setupRequest != rhs._setupRequest {return false}
+    if lhs._setupPinHash != rhs._setupPinHash {return false}
+    if lhs.unknownFields != rhs.unknownFields {return false}
+    return true
+  }
+}
+
+extension Sharing_Nearby_PairingMetadata.UseCase: SwiftProtobuf._ProtoNameProviding {
+  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{2}\0UNKNOWN\0\u{1}NOTIFICATION_SYNC\0\u{1}CLIPBOARD_SYNC\0")
+}
+
 extension Sharing_Nearby_AppMetadata: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
   static let protoMessageName: String = _protobuf_package + ".AppMetadata"
   static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{3}app_name\0\u{1}size\0\u{3}payload_id\0\u{1}id\0\u{3}file_name\0\u{3}file_size\0\u{3}package_name\0")
@@ -1531,14 +1833,86 @@ extension Sharing_Nearby_V1Frame: SwiftProtobuf.Message, SwiftProtobuf._MessageI
   static let protoMessageName: String = _protobuf_package + ".V1Frame"
   static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{1}type\0\u{1}introduction\0\u{3}connection_response\0\u{3}paired_key_encryption\0\u{3}paired_key_result\0\u{3}certificate_info\0\u{3}progress_update\0")
 
+  mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
+    while let fieldNumber = try decoder.nextFieldNumber() {
+      // The use of inline closures is to circumvent an issue where the compiler
+      // allocates stack space for every case branch when no optimizations are
+      // enabled. https://github.com/apple/swift-protobuf/issues/1034
+      switch fieldNumber {
+      case 1: try { try decoder.decodeSingularEnumField(value: &self._type) }()
+      case 2: try { try decoder.decodeSingularMessageField(value: &self._introduction) }()
+      case 3: try { try decoder.decodeSingularMessageField(value: &self._connectionResponse) }()
+      case 4: try { try decoder.decodeSingularMessageField(value: &self._pairedKeyEncryption) }()
+      case 5: try { try decoder.decodeSingularMessageField(value: &self._pairedKeyResult) }()
+      case 6: try { try decoder.decodeSingularMessageField(value: &self._certificateInfo) }()
+      case 7: try { try decoder.decodeSingularMessageField(value: &self._progressUpdate) }()
+      default: break
+      }
+    }
+  }
+
+  func traverse<V: SwiftProtobuf.Visitor>(visitor: inout V) throws {
+    // The use of inline closures is to circumvent an issue where the compiler
+    // allocates stack space for every if/case branch local when no optimizations
+    // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
+    // https://github.com/apple/swift-protobuf/issues/1182
+    try { if let v = self._type {
+      try visitor.visitSingularEnumField(value: v, fieldNumber: 1)
+    } }()
+    try { if let v = self._introduction {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 2)
+    } }()
+    try { if let v = self._connectionResponse {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 3)
+    } }()
+    try { if let v = self._pairedKeyEncryption {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 4)
+    } }()
+    try { if let v = self._pairedKeyResult {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 5)
+    } }()
+    try { if let v = self._certificateInfo {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 6)
+    } }()
+    try { if let v = self._progressUpdate {
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 7)
+    } }()
+    try unknownFields.traverse(visitor: &visitor)
+  }
+
+  static func ==(lhs: Sharing_Nearby_V1Frame, rhs: Sharing_Nearby_V1Frame) -> Bool {
+    if lhs._type != rhs._type {return false}
+    if lhs._introduction != rhs._introduction {return false}
+    if lhs._connectionResponse != rhs._connectionResponse {return false}
+    if lhs._pairedKeyEncryption != rhs._pairedKeyEncryption {return false}
+    if lhs._pairedKeyResult != rhs._pairedKeyResult {return false}
+    if lhs._certificateInfo != rhs._certificateInfo {return false}
+    if lhs._progressUpdate != rhs._progressUpdate {return false}
+    if lhs.unknownFields != rhs.unknownFields {return false}
+    return true
+  }
+}
+
+extension Sharing_Nearby_V1Frame.FrameType: SwiftProtobuf._ProtoNameProviding {
+  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{2}\0UNKNOWN_FRAME_TYPE\0\u{1}INTRODUCTION\0\u{1}RESPONSE\0\u{1}PAIRED_KEY_ENCRYPTION\0\u{1}PAIRED_KEY_RESULT\0\u{1}CERTIFICATE_INFO\0\u{1}CANCEL\0\u{1}PROGRESS_UPDATE\0")
+}
+
+extension Sharing_Nearby_IntroductionFrame: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
+  static let protoMessageName: String = _protobuf_package + ".IntroductionFrame"
+  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{3}file_metadata\0\u{3}text_metadata\0\u{3}required_package\0\u{3}wifi_credentials_metadata\0\u{3}app_metadata\0\u{3}start_transfer\0\u{3}stream_metadata\0\u{3}use_case\0\u{3}preview_payload_ids\0\u{4}`\u{f}mirrored_notification_metadata\0\u{3}pairing_metadata\0")
+
   fileprivate class _StorageClass {
-    var _type: Sharing_Nearby_V1Frame.FrameType? = nil
-    var _introduction: Sharing_Nearby_IntroductionFrame? = nil
-    var _connectionResponse: Sharing_Nearby_ConnectionResponseFrame? = nil
-    var _pairedKeyEncryption: Sharing_Nearby_PairedKeyEncryptionFrame? = nil
-    var _pairedKeyResult: Sharing_Nearby_PairedKeyResultFrame? = nil
-    var _certificateInfo: Sharing_Nearby_CertificateInfoFrame? = nil
-    var _progressUpdate: Sharing_Nearby_ProgressUpdateFrame? = nil
+    var _fileMetadata: [Sharing_Nearby_FileMetadata] = []
+    var _textMetadata: [Sharing_Nearby_TextMetadata] = []
+    var _requiredPackage: String? = nil
+    var _wifiCredentialsMetadata: [Sharing_Nearby_WifiCredentialsMetadata] = []
+    var _appMetadata: [Sharing_Nearby_AppMetadata] = []
+    var _startTransfer: Bool? = nil
+    var _streamMetadata: [Sharing_Nearby_StreamMetadata] = []
+    var _useCase: Sharing_Nearby_IntroductionFrame.SharingUseCase? = nil
+    var _previewPayloadIds: [Int64] = []
+    var _mirroredNotificationMetadata: Sharing_Nearby_MirroredNotificationMetadata? = nil
+    var _pairingMetadata: Sharing_Nearby_PairingMetadata? = nil
 
       // This property is used as the initial default value for new instances of the type.
       // The type itself is protecting the reference to its storage via CoW semantics.
@@ -1549,13 +1923,17 @@ extension Sharing_Nearby_V1Frame: SwiftProtobuf.Message, SwiftProtobuf._MessageI
     private init() {}
 
     init(copying source: _StorageClass) {
-      _type = source._type
-      _introduction = source._introduction
-      _connectionResponse = source._connectionResponse
-      _pairedKeyEncryption = source._pairedKeyEncryption
-      _pairedKeyResult = source._pairedKeyResult
-      _certificateInfo = source._certificateInfo
-      _progressUpdate = source._progressUpdate
+      _fileMetadata = source._fileMetadata
+      _textMetadata = source._textMetadata
+      _requiredPackage = source._requiredPackage
+      _wifiCredentialsMetadata = source._wifiCredentialsMetadata
+      _appMetadata = source._appMetadata
+      _startTransfer = source._startTransfer
+      _streamMetadata = source._streamMetadata
+      _useCase = source._useCase
+      _previewPayloadIds = source._previewPayloadIds
+      _mirroredNotificationMetadata = source._mirroredNotificationMetadata
+      _pairingMetadata = source._pairingMetadata
     }
   }
 
@@ -1574,13 +1952,17 @@ extension Sharing_Nearby_V1Frame: SwiftProtobuf.Message, SwiftProtobuf._MessageI
         // allocates stack space for every case branch when no optimizations are
         // enabled. https://github.com/apple/swift-protobuf/issues/1034
         switch fieldNumber {
-        case 1: try { try decoder.decodeSingularEnumField(value: &_storage._type) }()
-        case 2: try { try decoder.decodeSingularMessageField(value: &_storage._introduction) }()
-        case 3: try { try decoder.decodeSingularMessageField(value: &_storage._connectionResponse) }()
-        case 4: try { try decoder.decodeSingularMessageField(value: &_storage._pairedKeyEncryption) }()
-        case 5: try { try decoder.decodeSingularMessageField(value: &_storage._pairedKeyResult) }()
-        case 6: try { try decoder.decodeSingularMessageField(value: &_storage._certificateInfo) }()
-        case 7: try { try decoder.decodeSingularMessageField(value: &_storage._progressUpdate) }()
+        case 1: try { try decoder.decodeRepeatedMessageField(value: &_storage._fileMetadata) }()
+        case 2: try { try decoder.decodeRepeatedMessageField(value: &_storage._textMetadata) }()
+        case 3: try { try decoder.decodeSingularStringField(value: &_storage._requiredPackage) }()
+        case 4: try { try decoder.decodeRepeatedMessageField(value: &_storage._wifiCredentialsMetadata) }()
+        case 5: try { try decoder.decodeRepeatedMessageField(value: &_storage._appMetadata) }()
+        case 6: try { try decoder.decodeSingularBoolField(value: &_storage._startTransfer) }()
+        case 7: try { try decoder.decodeRepeatedMessageField(value: &_storage._streamMetadata) }()
+        case 8: try { try decoder.decodeSingularEnumField(value: &_storage._useCase) }()
+        case 9: try { try decoder.decodeRepeatedInt64Field(value: &_storage._previewPayloadIds) }()
+        case 1001: try { try decoder.decodeSingularMessageField(value: &_storage._mirroredNotificationMetadata) }()
+        case 1002: try { try decoder.decodeSingularMessageField(value: &_storage._pairingMetadata) }()
         default: break
         }
       }
@@ -1593,125 +1975,63 @@ extension Sharing_Nearby_V1Frame: SwiftProtobuf.Message, SwiftProtobuf._MessageI
       // allocates stack space for every if/case branch local when no optimizations
       // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
       // https://github.com/apple/swift-protobuf/issues/1182
-      try { if let v = _storage._type {
-        try visitor.visitSingularEnumField(value: v, fieldNumber: 1)
-      } }()
-      try { if let v = _storage._introduction {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 2)
-      } }()
-      try { if let v = _storage._connectionResponse {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 3)
-      } }()
-      try { if let v = _storage._pairedKeyEncryption {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 4)
-      } }()
-      try { if let v = _storage._pairedKeyResult {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 5)
-      } }()
-      try { if let v = _storage._certificateInfo {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 6)
-      } }()
-      try { if let v = _storage._progressUpdate {
-        try visitor.visitSingularMessageField(value: v, fieldNumber: 7)
-      } }()
-    }
-    try unknownFields.traverse(visitor: &visitor)
-  }
-
-  static func ==(lhs: Sharing_Nearby_V1Frame, rhs: Sharing_Nearby_V1Frame) -> Bool {
-    if lhs._storage !== rhs._storage {
-      let storagesAreEqual: Bool = withExtendedLifetime((lhs._storage, rhs._storage)) { (_args: (_StorageClass, _StorageClass)) in
-        let _storage = _args.0
-        let rhs_storage = _args.1
-        if _storage._type != rhs_storage._type {return false}
-        if _storage._introduction != rhs_storage._introduction {return false}
-        if _storage._connectionResponse != rhs_storage._connectionResponse {return false}
-        if _storage._pairedKeyEncryption != rhs_storage._pairedKeyEncryption {return false}
-        if _storage._pairedKeyResult != rhs_storage._pairedKeyResult {return false}
-        if _storage._certificateInfo != rhs_storage._certificateInfo {return false}
-        if _storage._progressUpdate != rhs_storage._progressUpdate {return false}
-        return true
+      if !_storage._fileMetadata.isEmpty {
+        try visitor.visitRepeatedMessageField(value: _storage._fileMetadata, fieldNumber: 1)
       }
-      if !storagesAreEqual {return false}
-    }
-    if lhs.unknownFields != rhs.unknownFields {return false}
-    return true
-  }
-}
-
-extension Sharing_Nearby_V1Frame.FrameType: SwiftProtobuf._ProtoNameProviding {
-  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{2}\0UNKNOWN_FRAME_TYPE\0\u{1}INTRODUCTION\0\u{1}RESPONSE\0\u{1}PAIRED_KEY_ENCRYPTION\0\u{1}PAIRED_KEY_RESULT\0\u{1}CERTIFICATE_INFO\0\u{1}CANCEL\0\u{1}PROGRESS_UPDATE\0")
-}
-
-extension Sharing_Nearby_IntroductionFrame: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
-  static let protoMessageName: String = _protobuf_package + ".IntroductionFrame"
-  static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{3}file_metadata\0\u{3}text_metadata\0\u{3}required_package\0\u{3}wifi_credentials_metadata\0\u{3}app_metadata\0\u{3}start_transfer\0\u{3}stream_metadata\0\u{3}use_case\0\u{3}preview_payload_ids\0")
-
-  mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
-    while let fieldNumber = try decoder.nextFieldNumber() {
-      // The use of inline closures is to circumvent an issue where the compiler
-      // allocates stack space for every case branch when no optimizations are
-      // enabled. https://github.com/apple/swift-protobuf/issues/1034
-      switch fieldNumber {
-      case 1: try { try decoder.decodeRepeatedMessageField(value: &self.fileMetadata) }()
-      case 2: try { try decoder.decodeRepeatedMessageField(value: &self.textMetadata) }()
-      case 3: try { try decoder.decodeSingularStringField(value: &self._requiredPackage) }()
-      case 4: try { try decoder.decodeRepeatedMessageField(value: &self.wifiCredentialsMetadata) }()
-      case 5: try { try decoder.decodeRepeatedMessageField(value: &self.appMetadata) }()
-      case 6: try { try decoder.decodeSingularBoolField(value: &self._startTransfer) }()
-      case 7: try { try decoder.decodeRepeatedMessageField(value: &self.streamMetadata) }()
-      case 8: try { try decoder.decodeSingularEnumField(value: &self._useCase) }()
-      case 9: try { try decoder.decodeRepeatedInt64Field(value: &self.previewPayloadIds) }()
-      default: break
+      if !_storage._textMetadata.isEmpty {
+        try visitor.visitRepeatedMessageField(value: _storage._textMetadata, fieldNumber: 2)
       }
-    }
-  }
-
-  func traverse<V: SwiftProtobuf.Visitor>(visitor: inout V) throws {
-    // The use of inline closures is to circumvent an issue where the compiler
-    // allocates stack space for every if/case branch local when no optimizations
-    // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
-    // https://github.com/apple/swift-protobuf/issues/1182
-    if !self.fileMetadata.isEmpty {
-      try visitor.visitRepeatedMessageField(value: self.fileMetadata, fieldNumber: 1)
-    }
-    if !self.textMetadata.isEmpty {
-      try visitor.visitRepeatedMessageField(value: self.textMetadata, fieldNumber: 2)
-    }
-    try { if let v = self._requiredPackage {
-      try visitor.visitSingularStringField(value: v, fieldNumber: 3)
-    } }()
-    if !self.wifiCredentialsMetadata.isEmpty {
-      try visitor.visitRepeatedMessageField(value: self.wifiCredentialsMetadata, fieldNumber: 4)
-    }
-    if !self.appMetadata.isEmpty {
-      try visitor.visitRepeatedMessageField(value: self.appMetadata, fieldNumber: 5)
-    }
-    try { if let v = self._startTransfer {
-      try visitor.visitSingularBoolField(value: v, fieldNumber: 6)
-    } }()
-    if !self.streamMetadata.isEmpty {
-      try visitor.visitRepeatedMessageField(value: self.streamMetadata, fieldNumber: 7)
-    }
-    try { if let v = self._useCase {
-      try visitor.visitSingularEnumField(value: v, fieldNumber: 8)
-    } }()
-    if !self.previewPayloadIds.isEmpty {
-      try visitor.visitRepeatedInt64Field(value: self.previewPayloadIds, fieldNumber: 9)
+      try { if let v = _storage._requiredPackage {
+        try visitor.visitSingularStringField(value: v, fieldNumber: 3)
+      } }()
+      if !_storage._wifiCredentialsMetadata.isEmpty {
+        try visitor.visitRepeatedMessageField(value: _storage._wifiCredentialsMetadata, fieldNumber: 4)
+      }
+      if !_storage._appMetadata.isEmpty {
+        try visitor.visitRepeatedMessageField(value: _storage._appMetadata, fieldNumber: 5)
+      }
+      try { if let v = _storage._startTransfer {
+        try visitor.visitSingularBoolField(value: v, fieldNumber: 6)
+      } }()
+      if !_storage._streamMetadata.isEmpty {
+        try visitor.visitRepeatedMessageField(value: _storage._streamMetadata, fieldNumber: 7)
+      }
+      try { if let v = _storage._useCase {
+        try visitor.visitSingularEnumField(value: v, fieldNumber: 8)
+      } }()
+      if !_storage._previewPayloadIds.isEmpty {
+        try visitor.visitRepeatedInt64Field(value: _storage._previewPayloadIds, fieldNumber: 9)
+      }
+      try { if let v = _storage._mirroredNotificationMetadata {
+        try visitor.visitSingularMessageField(value: v, fieldNumber: 1001)
+      } }()
+      try { if let v = _storage._pairingMetadata {
+        try visitor.visitSingularMessageField(value: v, fieldNumber: 1002)
+      } }()
     }
     try unknownFields.traverse(visitor: &visitor)
   }
 
   static func ==(lhs: Sharing_Nearby_IntroductionFrame, rhs: Sharing_Nearby_IntroductionFrame) -> Bool {
-    if lhs.fileMetadata != rhs.fileMetadata {return false}
-    if lhs.textMetadata != rhs.textMetadata {return false}
-    if lhs._requiredPackage != rhs._requiredPackage {return false}
-    if lhs.wifiCredentialsMetadata != rhs.wifiCredentialsMetadata {return false}
-    if lhs.appMetadata != rhs.appMetadata {return false}
-    if lhs._startTransfer != rhs._startTransfer {return false}
-    if lhs.streamMetadata != rhs.streamMetadata {return false}
-    if lhs._useCase != rhs._useCase {return false}
-    if lhs.previewPayloadIds != rhs.previewPayloadIds {return false}
+    if lhs._storage !== rhs._storage {
+      let storagesAreEqual: Bool = withExtendedLifetime((lhs._storage, rhs._storage)) { (_args: (_StorageClass, _StorageClass)) in
+        let _storage = _args.0
+        let rhs_storage = _args.1
+        if _storage._fileMetadata != rhs_storage._fileMetadata {return false}
+        if _storage._textMetadata != rhs_storage._textMetadata {return false}
+        if _storage._requiredPackage != rhs_storage._requiredPackage {return false}
+        if _storage._wifiCredentialsMetadata != rhs_storage._wifiCredentialsMetadata {return false}
+        if _storage._appMetadata != rhs_storage._appMetadata {return false}
+        if _storage._startTransfer != rhs_storage._startTransfer {return false}
+        if _storage._streamMetadata != rhs_storage._streamMetadata {return false}
+        if _storage._useCase != rhs_storage._useCase {return false}
+        if _storage._previewPayloadIds != rhs_storage._previewPayloadIds {return false}
+        if _storage._mirroredNotificationMetadata != rhs_storage._mirroredNotificationMetadata {return false}
+        if _storage._pairingMetadata != rhs_storage._pairingMetadata {return false}
+        return true
+      }
+      if !storagesAreEqual {return false}
+    }
     if lhs.unknownFields != rhs.unknownFields {return false}
     return true
   }

NearbyShare/Model/ProtobufSource/wire_format.proto

@@ -127,6 +127,32 @@ message WifiCredentialsMetadata {
   optional int64 id = 5;
 }
 
+// NEXT_ID=10
+message MirroredNotificationMetadata {
+  optional int32 version = 1 [default = 1];
+  optional string notification_key = 2;
+  optional string package_name = 3;
+  optional string app_name = 4;
+  optional string title = 5;
+  optional string body = 6;
+  optional int64 posted_at_epoch_ms = 7;
+  reserved 8, 9;
+}
+
+// NEXT_ID=5
+message PairingMetadata {
+  enum UseCase {
+    UNKNOWN = 0;
+    NOTIFICATION_SYNC = 1;
+    CLIPBOARD_SYNC = 2;
+  }
+
+  optional int32 version = 1 [default = 1];
+  optional UseCase use_case = 2 [default = UNKNOWN];
+  optional bool setup_request = 3;
+  optional bytes setup_pin_hash = 4;
+}
+
 // NEXT_ID=8
 message AppMetadata {
   // The app name. This will be sent in introduction.
@@ -212,7 +238,7 @@ message V1Frame {
 
 // An introduction packet sent by the sending side. Contains a list of files
 // they'd like to share.
-// NEXT_ID=10
+// NEXT_ID=1003
 message IntroductionFrame {
   enum SharingUseCase {
     UNKNOWN = 0;
@@ -230,6 +256,8 @@ message IntroductionFrame {
   repeated StreamMetadata stream_metadata = 7;
   optional SharingUseCase use_case = 8;
   repeated int64 preview_payload_ids = 9;
+  optional MirroredNotificationMetadata mirrored_notification_metadata = 1001;
+  optional PairingMetadata pairing_metadata = 1002;
 }
 
 // A progress update packet sent by the sending side. Contains transfer progress

NearbyShare/Util/AppGroup.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import Security
 
 /// Contains information about the app group used to share data between main app and extensions
 struct AppGroup {
@@ -19,3 +20,90 @@ struct AppGroup {
         return FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupName)
     }
 }
+
+
+struct KeychainStore {
+    private static let service = "com.leonboettger.quickdrop.securestorage"
+    // Must match the shared keychain access group declared in all Apple entitlements.
+    private static let sharedAccessGroup = "92SDAWLN76.com.leonboettger.neardrop"
+
+    static func loadData(account: String) throws -> Data? {
+        var query = baseQuery(account: account)
+        query[kSecReturnData as String] = true
+        query[kSecMatchLimit as String] = kSecMatchLimitOne
+
+        var result: CFTypeRef?
+        let status = SecItemCopyMatching(query as CFDictionary, &result)
+
+        switch status {
+        case errSecSuccess:
+            return result as? Data
+        case errSecItemNotFound:
+            return nil
+        default:
+            throw KeychainStoreError.unexpectedStatus(status)
+        }
+    }
+
+
+    static func saveData(_ data: Data, account: String) throws {
+        var addQuery = baseQuery(account: account)
+        addQuery[kSecValueData as String] = data
+        addQuery[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
+
+        let addStatus = SecItemAdd(addQuery as CFDictionary, nil)
+        if addStatus == errSecSuccess {
+            return
+        }
+        if addStatus != errSecDuplicateItem {
+            throw KeychainStoreError.unexpectedStatus(addStatus)
+        }
+
+        let attributesToUpdate: [String: Any] = [
+            kSecValueData as String: data,
+            kSecAttrAccessible as String: kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly,
+        ]
+
+        let updateStatus = SecItemUpdate(baseQuery(account: account) as CFDictionary, attributesToUpdate as CFDictionary)
+        guard updateStatus == errSecSuccess else {
+            throw KeychainStoreError.unexpectedStatus(updateStatus)
+        }
+    }
+
+
+    static func deleteItem(account: String) throws {
+        let status = SecItemDelete(baseQuery(account: account) as CFDictionary)
+        guard status == errSecSuccess || status == errSecItemNotFound else {
+            throw KeychainStoreError.unexpectedStatus(status)
+        }
+    }
+
+
+    private static func baseQuery(account: String) -> [String: Any] {
+        var query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account,
+            kSecUseDataProtectionKeychain as String: true,
+        ]
+
+        query[kSecAttrAccessGroup as String] = sharedAccessGroup
+
+        return query
+    }
+}
+
+
+enum KeychainStoreError: LocalizedError {
+    case unexpectedStatus(OSStatus)
+
+    var errorDescription: String? {
+        switch self {
+        case let .unexpectedStatus(status):
+            if let message = SecCopyErrorMessageString(status, nil) as String? {
+                return "Keychain error \(status): \(message)"
+            }
+            return "Keychain error \(status)"
+        }
+    }
+}

NearbyShare/Util/EXIFUtils.swift

@@ -1,90 +0,0 @@
-//
-//  EXIFUtils.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 10.11.25.
-//
-
-import Foundation
-import ImageIO
-import LUI
-
-struct EXIFUtils {
-    
-    /// Applies EXIF timestamps to a given file or directory.
-    static func applyEXIFTimestamps(at url: URL) {
-        let fm = FileManager.default
-        var isDir: ObjCBool = false
-        guard fm.fileExists(atPath: url.path, isDirectory: &isDir) else { return }
-        
-        if isDir.boolValue {
-            // It's a directory — enumerate files
-            if let enumerator = fm.enumerator(at: url, includingPropertiesForKeys: [.isRegularFileKey]) {
-                for case let fileURL as URL in enumerator {
-                    guard (try? fileURL.resourceValues(forKeys: [.isRegularFileKey]))?.isRegularFile == true else { continue }
-                    applyEXIFTimestamp(to: fileURL)
-                }
-            }
-        } else {
-            // It's a single file
-            applyEXIFTimestamp(to: url)
-        }
-    }
-    
-    
-    /// Applies EXIF timestamp (if available) to a single file
-    private static func applyEXIFTimestamp(to fileURL: URL) {
-        guard let exifDate = exifOriginalDate(from: fileURL) else {
-            return
-        }
-
-        do {
-            // Set the "creation date"
-            try FileManager.default.setAttributes([.creationDate: exifDate], ofItemAtPath: fileURL.path)
-        }
-        catch {
-            log("[EXIFUtils] Failed to set file attributes for \(fileURL.path): \(error)")
-        }
-    }
-    
-    
-    /// Returns the EXIF original date of an image file, adjusted to the current time zone.
-    static func exifOriginalDate(from url: URL) -> Date? {
-        guard let imageSource = CGImageSourceCreateWithURL(url as CFURL, nil),
-              let properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nil) as? [CFString: Any],
-              let exif = properties[kCGImagePropertyExifDictionary] as? [CFString: Any],
-              let dateString = exif[kCGImagePropertyExifDateTimeOriginal] as? String
-        else {
-            return nil
-        }
-        
-        let offsetString = exif[kCGImagePropertyExifOffsetTimeOriginal] as? String
-        
-        let formatter = DateFormatter()
-        formatter.locale = Locale(identifier: "en_US_POSIX")
-        formatter.calendar = Calendar(identifier: .gregorian)
-        formatter.dateFormat = "yyyy:MM:dd HH:mm:ss"
-        
-        let offsetSeconds = offsetString.flatMap(secondsFromOffsetString)
-        if let seconds = offsetSeconds {
-            formatter.timeZone = TimeZone(secondsFromGMT: seconds)
-        } else {
-            // Fallback: treat as device local
-            formatter.timeZone = TimeZone.current
-        }
-        
-        return formatter.date(from: dateString)
-    }
-    
-    
-    static private func secondsFromOffsetString(_ s: String) -> Int? {
-        // Expect formats like "+02:00" or "-05:30"
-        guard s.count == 6, (s.first == "+" || s.first == "-") else { return nil }
-        let sign = s.first == "-" ? -1 : 1
-        let parts = s.dropFirst().split(separator: ":")
-        guard parts.count == 2,
-              let hours = Int(parts[0]),
-              let minutes = Int(parts[1]) else { return nil }
-        return sign * (hours * 3600 + minutes * 60)
-    }
-}

NearbyShare/Util/Helpers.swift

@@ -5,8 +5,9 @@
 //  Created by Leon Böttger on 04.04.25.
 //
 
-import Foundation
 import CryptoKit
+import Foundation
+import LUI
 
 extension Data {
     func urlSafeBase64EncodedString() -> String {
@@ -30,17 +31,6 @@ extension Data {
         return data
     }
     
-    
-    func suffixOfAtMost(numBytes: Int) -> Data {
-        
-        if count <= numBytes {
-            return self
-        }
-        
-        return subdata(in: count-numBytes..<count)
-    }
-    
-    
     static func dataFromUrlSafeBase64(_ str: String) -> Data? {
         var regularB64 = String(str.map {
             if $0 == "_" {
@@ -111,10 +101,14 @@ extension String {
 
 
 public func fullVersion() -> Bool {
-    return Settings.shared.gotPlus
+    #if GITHUB
+    return true
+    #else
+    return IAPManager.sharedInstance.plusVersionState
+    #endif
 }
 
 
 public func isFileTransferRestricted() -> Bool {
-    (!fullVersion() && Settings.shared.incomingTransmissionCount > 1)
+    (!fullVersion() && Settings.sharedInstance.incomingTransmissionCount > 1)
 }

NearbyShare/Util/IdentityManager.swift

@@ -51,17 +51,21 @@ class IdentityManager {
     private func generateAndStoreKeyPair() -> (ECPrivateKey, ECPublicKey) {
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
-        
-        AppGroup.appGroupUD.set(Data(privKey.s.asSignedBytes()), forKey: signingKeyTag)
+
+        let privateKeyData = Data(privKey.s.asSignedBytes())
+        do {
+            try KeychainStore.saveData(privateKeyData, account: signingKeyTag)
+            AppGroup.appGroupUD.removeObject(forKey: signingKeyTag)
+        } catch {
+            log("[IdentityManager] Failed to store private key in keychain: \(error.localizedDescription)")
+        }
         
         return (privKey, pubKey)
     }
     
 
     private func loadKeys() -> (ECPrivateKey, ECPublicKey)? {
-        let keyData = AppGroup.appGroupUD.data(forKey: signingKeyTag)
-        
-        guard let keyData = keyData else { return nil }
+        guard let keyData = loadStoredKeyData() else { return nil }
         
         let domain = Domain.instance(curve: .EC256r1)
         guard let privateKey = try? ECPrivateKey(domain: domain, s: .init(signed: Array(keyData))) else {
@@ -80,6 +84,32 @@ class IdentityManager {
         
         return (privateKey, publicKey)
     }
+
+
+    private func loadStoredKeyData() -> Data? {
+        do {
+            if let keyData = try KeychainStore.loadData(account: signingKeyTag) {
+                AppGroup.appGroupUD.removeObject(forKey: signingKeyTag)
+                return keyData
+            }
+        } catch {
+            log("[IdentityManager] Failed to load private key from keychain: \(error.localizedDescription)")
+        }
+
+        guard let legacyKeyData = AppGroup.appGroupUD.data(forKey: signingKeyTag) else {
+            return nil
+        }
+
+        do {
+            try KeychainStore.saveData(legacyKeyData, account: signingKeyTag)
+            AppGroup.appGroupUD.removeObject(forKey: signingKeyTag)
+            log("[IdentityManager] Migrated private key from shared defaults to keychain.")
+        } catch {
+            log("[IdentityManager] Failed to migrate private key to keychain: \(error.localizedDescription)")
+        }
+
+        return legacyKeyData
+    }
 }
 
 

NearbyShare/Util/NotificationSyncPairingToken.swift

@@ -0,0 +1,54 @@
+//
+//  NotificationSyncPairingToken.swift
+//  QuickDrop
+//
+//  Created by Codex on 2026-03-15.
+//
+
+import Foundation
+import QRCode
+import SwiftUI
+import LUI
+
+enum NotificationSyncPairingToken {
+    static func generate() -> String {
+        Data.randomData(length: 16).urlSafeBase64EncodedString()
+    }
+
+    static func receiverFingerprintHex() -> String? {
+        guard let keyId = IdentityManager.shared.getPublicKey()?.toGenericPublicKey().id() else {
+            return nil
+        }
+        return keyId.hex.lowercased()
+    }
+
+    static func qrPayload(token: String, receiverFingerprint: String, useCase: PairingUseCase = .notificationSync) -> String {
+        "quickdrop://pair?token=\(token)&usecase=\(useCase.rawValue)&receiver=\(receiverFingerprint)"
+    }
+
+    static func makeQrImage(
+        token: String,
+        receiverFingerprint: String,
+        useCase: PairingUseCase = .notificationSync,
+        foregroundColor: CGColor = CGColor(gray: 0, alpha: 1),
+        backgroundColor: CGColor = CGColor(srgbRed: 1, green: 1, blue: 1, alpha: 1)
+    ) -> Image? {
+        let payload = qrPayload(token: token, receiverFingerprint: receiverFingerprint, useCase: useCase)
+        do {
+            let qrCodeImage = try QRCode.build
+                .text(payload)
+                .foregroundColor(foregroundColor)
+                .backgroundColor(backgroundColor)
+                .quietZonePixelCount(3)
+                .onPixels.shape(.circle())
+                .eye.shape(.squircle())
+                .errorCorrection(.low)
+                .generate
+                .image(dimension: 1000)
+            return Image(decorative: qrCodeImage, scale: 1.0, orientation: .up)
+        } catch {
+            log("[NotificationSyncPairingToken] QR code generation failed: \(error)")
+            return nil
+        }
+    }
+}

NearbyShare/Util/TrustStore.swift

@@ -5,9 +5,8 @@
 //  Created by Leon Böttger on 22.08.25.
 //
 
-
 import Foundation
-
+import CryptoKit
 
 class TrustStore: ObservableObject {
     
@@ -16,6 +15,9 @@ class TrustStore: ObservableObject {
     @Published private(set) var trustedCertificates: [String: TrustedCertificate] = [:]
     
     private let trustedKeysKey = "com.leonboettger.quickdrop.identity.trustedKeys"
+    private let pendingPairingQueue = DispatchQueue(label: "TrustStore.pairingPending")
+    private var pendingPairingTrust: [String: PendingPairingTrust] = [:]
+    private let pendingPairingTTL: TimeInterval = 5 * 60
         
     private init() {
         loadTrustedCertificates()
@@ -25,29 +27,40 @@ class TrustStore: ObservableObject {
     // MARK: - Persistence
     
     private func loadTrustedCertificates() {
-        guard let dict = AppGroup.appGroupUD.dictionary(forKey: trustedKeysKey) as? [String: Data] else {
+        do {
+            if let data = try KeychainStore.loadData(account: trustedKeysKey) {
+                trustedCertificates = try JSONDecoder().decode([String: TrustedCertificate].self, from: data)
+                AppGroup.appGroupUD.removeObject(forKey: trustedKeysKey)
+                return
+            }
+        } catch {
+            print("[TrustStore] Failed to load trusted certificates from keychain: \(error.localizedDescription)")
+        }
+
+        guard let dict = legacyTrustedCertificates() else {
             trustedCertificates = [:]
             return
         }
         
-        var decoded: [String: TrustedCertificate] = [:]
-        for (key, data) in dict {
-            if let cert = try? JSONDecoder().decode(TrustedCertificate.self, from: data) {
-                decoded[key] = cert
-            }
+        trustedCertificates = dict
+
+        do {
+            try persistTrustedCertificates()
+            AppGroup.appGroupUD.removeObject(forKey: trustedKeysKey)
+            print("[TrustStore] Migrated trusted certificates from shared defaults to keychain.")
+        } catch {
+            print("[TrustStore] Failed to migrate trusted certificates to keychain: \(error.localizedDescription)")
         }
-        trustedCertificates = decoded
     }
     
     
     private func saveTrustedCertificates() {
-        var dict: [String: Data] = [:]
-        for (key, cert) in trustedCertificates {
-            if let data = try? JSONEncoder().encode(cert) {
-                dict[key] = data
-            }
+        do {
+            try persistTrustedCertificates()
+            AppGroup.appGroupUD.removeObject(forKey: trustedKeysKey)
+        } catch {
+            print("[TrustStore] Failed to save trusted certificates to keychain: \(error.localizedDescription)")
         }
-        AppGroup.appGroupUD.set(dict, forKey: trustedKeysKey)
     }
     
     
@@ -75,6 +88,52 @@ class TrustStore: ObservableObject {
         trustedCertificates.removeValue(forKey: secretIdHex)
         saveTrustedCertificates()
     }
+
+
+    // MARK: - Pending Pairing Trust
+
+    func registerPendingPairingTrust(secretIdHex: String, pinCode: String, useCase: PairingUseCase) {
+        let normalized = secretIdHex.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
+        let trimmedPin = pinCode.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !normalized.isEmpty, !trimmedPin.isEmpty else { return }
+
+        let pinHash = Self.pinHash(for: trimmedPin)
+        pendingPairingQueue.sync {
+            pendingPairingTrust[normalized] = PendingPairingTrust(
+                useCase: useCase,
+                pinHash: pinHash,
+                createdAt: Date()
+            )
+        }
+    }
+
+    func confirmPendingPairingTrust(secretIdHex: String, useCase: PairingUseCase, pinHash: Data) -> Bool {
+        let normalized = secretIdHex.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
+        guard !normalized.isEmpty, !pinHash.isEmpty else { return false }
+
+        let now = Date()
+        return pendingPairingQueue.sync {
+            guard let pending = pendingPairingTrust[normalized] else { return false }
+            pendingPairingTrust.removeValue(forKey: normalized)
+            let expired = now.timeIntervalSince(pending.createdAt) > pendingPairingTTL
+            if expired {
+                return false
+            }
+            guard pending.useCase == useCase else {
+                return false
+            }
+            return pending.pinHash == pinHash
+        }
+    }
+
+    func clearPendingPairingTrust(secretIdHex: String) {
+        let normalized = secretIdHex.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
+        guard !normalized.isEmpty else { return }
+
+        _ = pendingPairingQueue.sync {
+            pendingPairingTrust.removeValue(forKey: normalized)
+        }
+    }
     
     
     struct TrustedCertificate: Codable, Equatable {
@@ -84,4 +143,37 @@ class TrustStore: ObservableObject {
         let creationDate: Date
         let certificateData: Data
     }
+
+    struct PendingPairingTrust: Equatable {
+        let useCase: PairingUseCase
+        let pinHash: Data
+        let createdAt: Date
+    }
+
+
+    private func persistTrustedCertificates() throws {
+        let data = try JSONEncoder().encode(trustedCertificates)
+        try KeychainStore.saveData(data, account: trustedKeysKey)
+    }
+
+
+    private func legacyTrustedCertificates() -> [String: TrustedCertificate]? {
+        guard let dict = AppGroup.appGroupUD.dictionary(forKey: trustedKeysKey) as? [String: Data] else {
+            return nil
+        }
+
+        var decoded: [String: TrustedCertificate] = [:]
+        for (key, data) in dict {
+            if let cert = try? JSONDecoder().decode(TrustedCertificate.self, from: data) {
+                decoded[key] = cert
+            }
+        }
+        return decoded
+    }
+
+    private static func pinHash(for pinCode: String) -> Data {
+        let data = Data(pinCode.utf8)
+        let digest = SHA256.hash(data: data)
+        return Data(digest)
+    }
 }

QuickDrop.xcodeproj/project.pbxproj

@@ -14,6 +14,16 @@
 		699DEBAE2AB0573200115D22 /* QuickDropShareExtension.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 699DEBA12AB0573200115D22 /* QuickDropShareExtension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		69DA9A1229E0BF5100A442DA /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DA9A1129E0BF5100A442DA /* AppDelegate.swift */; };
 		69DA9A1429E0BF5200A442DA /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 69DA9A1329E0BF5200A442DA /* Assets.xcassets */; };
+		A1B2C3D42F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1B2C3D52F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1B2C3D62F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1B2C3D72F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1B2C3D82F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1B2C3D92F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */; };
+		A1F5B3DB2F3A1A0100A1B2C6 /* NotificationSyncPairingToken.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D82F3A1A0100A1B2C3 /* NotificationSyncPairingToken.swift */; };
+		A1F5B3DC2F3A1A0100A1B2C7 /* NotificationSyncPairingToken.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D82F3A1A0100A1B2C3 /* NotificationSyncPairingToken.swift */; };
+		A1F5B3DD2F3A1A0100A1B2C8 /* NotificationSyncQrSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D92F3A1A0100A1B2C4 /* NotificationSyncQrSheetManager.swift */; };
+		A1F5B3DE2F3A1A0100A1B2C9 /* NotificationSyncQrSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D92F3A1A0100A1B2C4 /* NotificationSyncQrSheetManager.swift */; };
 		EB05DFBE2E59FC8900EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
 		EB05DFBF2E59FD0A00EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
 		EB05DFC02E5A2EAA00EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
@@ -46,7 +56,6 @@
 		EB2F9BFE2DA05F48004010A2 /* BezelNotification in Frameworks */ = {isa = PBXBuildFile; productRef = EB2F9BFD2DA05F48004010A2 /* BezelNotification */; };
 		EB3643602D73A2A2009CDFF8 /* AudioManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB36435F2D73A29F009CDFF8 /* AudioManager.swift */; };
 		EB3B9F002EF7150400D6704E /* WelcomeScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBD2A2162D2860BE00BCB8E2 /* WelcomeScreen.swift */; };
-		EB3B9F012EF7150400D6704E /* ChangeDeviceNameModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBA1BB1C2EF1F5650068E46E /* ChangeDeviceNameModifier.swift */; };
 		EB3B9F022EF7150400D6704E /* AudioManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB36435F2D73A29F009CDFF8 /* AudioManager.swift */; };
 		EB3B9F032EF7150400D6704E /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
 		EB3B9F042EF7150400D6704E /* SleepManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB2B41E32DC63AC80070FC39 /* SleepManager.swift */; };
@@ -76,7 +85,6 @@
 		EB3B9F1C2EF7150400D6704E /* SmallSheetView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB96ED8A2D7F7CF4004B3FF1 /* SmallSheetView.swift */; };
 		EB3B9F1D2EF7150400D6704E /* License.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB886E662E4F2F7C0052B7D9 /* License.swift */; };
 		EB3B9F1E2EF7150400D6704E /* LicenseWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB7F54132D78E9E400989564 /* LicenseWindow.swift */; };
-		EB3B9F1F2EF7150400D6704E /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
 		EB3B9F202EF7150400D6704E /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DA9A1129E0BF5100A442DA /* AppDelegate.swift */; };
 		EB3B9F212EF7150400D6704E /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */; };
 		EB3B9F222EF7150400D6704E /* TutorialView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB7F54112D78E95C00989564 /* TutorialView.swift */; };
@@ -123,7 +131,6 @@
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 		EB3B9F5C2EF7151900D6704E /* ukey.pb.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DA9A2829E18CB500A442DA /* ukey.pb.swift */; };
 		EB3B9F5D2EF7151900D6704E /* device_to_device_messages.pb.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DA9A2A29E18CB500A442DA /* device_to_device_messages.pb.swift */; };
-		EB3B9F5E2EF7151900D6704E /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
 		EB3B9F5F2EF7151900D6704E /* Attachments.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB950B732E520954002D68FA /* Attachments.swift */; };
 		EB3B9F602EF7151900D6704E /* Settings.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB1325D22E701D8900FD749C /* Settings.swift */; };
 		EB3B9F612EF7151900D6704E /* AppGroup.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB16B7762E59BA9F007D9792 /* AppGroup.swift */; };
@@ -160,10 +167,6 @@
 		EB3B9F952EF715A000D6704E /* QRCode in Frameworks */ = {isa = PBXBuildFile; productRef = EB3B9F942EF715A000D6704E /* QRCode */; };
 		EB3B9F972EF715A000D6704E /* LUI in Frameworks */ = {isa = PBXBuildFile; productRef = EB3B9F962EF715A000D6704E /* LUI */; };
 		EB3B9F992EF715A000D6704E /* ZIPFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = EB3B9F982EF715A000D6704E /* ZIPFoundation */; };
-		EB4F9D1F2EC26C8100A74A0F /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
-		EB4F9D202EC26C8100A74A0F /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
-		EB4F9D212EC26C8100A74A0F /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
-		EB4F9D222EC26C8100A74A0F /* EXIFUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */; };
 		EB4F9D252EC27CFB00A74A0F /* FileManager+DocumentsOpener.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D232EC27CF000A74A0F /* FileManager+DocumentsOpener.swift */; };
 		EB4F9D272EC27CFB00A74A0F /* FileManager+DocumentsOpener.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB4F9D232EC27CF000A74A0F /* FileManager+DocumentsOpener.swift */; };
 		EB53D8C42EF496AB004C95BA /* ZIPFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = EB53D8C32EF496AB004C95BA /* ZIPFoundation */; };
@@ -228,6 +231,11 @@
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 		EB5C38402E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
 		EB5C38412E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
+		EB6E51A52F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */; };
+		EB6E51A62F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */; };
+		EB6E51AB2F311ED4006D9812 /* QuickDropIcon.icon in Resources */ = {isa = PBXBuildFile; fileRef = EB721F232E75AFA900F2099F /* QuickDropIcon.icon */; };
+		EB6E51AC2F311ED4006D9812 /* QuickDropIcon.icon in Resources */ = {isa = PBXBuildFile; fileRef = EB721F232E75AFA900F2099F /* QuickDropIcon.icon */; };
+		EB6E51AD2F311ED4006D9812 /* QuickDropIcon.icon in Resources */ = {isa = PBXBuildFile; fileRef = EB721F232E75AFA900F2099F /* QuickDropIcon.icon */; };
 		EB6E6AB42ECBA46D00E71D57 /* PhotoManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBBEE1452EC9D92F00AA7831 /* PhotoManager.swift */; };
 		EB6E6B212ECBA95000E71D57 /* InfoPlist.xcstrings in Resources */ = {isa = PBXBuildFile; fileRef = EB6E6B202ECBA95000E71D57 /* InfoPlist.xcstrings */; };
 		EB6E6B222ECBA95000E71D57 /* InfoPlist.xcstrings in Resources */ = {isa = PBXBuildFile; fileRef = EB6E6B202ECBA95000E71D57 /* InfoPlist.xcstrings */; };
@@ -264,7 +272,6 @@
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 		EB950B3F2E52038A002D68FA /* FilePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F8F2E50CA23008B8C5C /* FilePicker.swift */; };
 		EB950B402E52038A002D68FA /* Configuration.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F8D2E50CA23008B8C5C /* Configuration.swift */; };
-		EB950B412E52038A002D68FA /* PieProgressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F992E50CAA6008B8C5C /* PieProgressView.swift */; };
 		EB950B432E52038A002D68FA /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F8E2E50CA23008B8C5C /* ContentView.swift */; };
 		EB950B442E520414002D68FA /* License.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB886E662E4F2F7C0052B7D9 /* License.swift */; };
 		EB950B452E520436002D68FA /* Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB2F9BFA2DA04B67004010A2 /* Helpers.swift */; };
@@ -307,7 +314,6 @@
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 		EB979F972E50CA23008B8C5C /* SendModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F902E50CA23008B8C5C /* SendModel.swift */; };
 		EB979F982E50CA23008B8C5C /* QuickDropiOSApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F922E50CA23008B8C5C /* QuickDropiOSApp.swift */; };
-		EB979F9A2E50CAA6008B8C5C /* PieProgressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB979F992E50CAA6008B8C5C /* PieProgressView.swift */; };
 		EB97A00F2E511124008B8C5C /* ReceiveModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB97A00E2E511120008B8C5C /* ReceiveModel.swift */; };
 		EB97A0102E51CD13008B8C5C /* ReceiveModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB97A00E2E511120008B8C5C /* ReceiveModel.swift */; };
 		EB97A0142E51DD00008B8C5C /* License.txt in Resources */ = {isa = PBXBuildFile; fileRef = EB5C36E32E34EC0E0052EFD7 /* License.txt */; };
@@ -319,7 +325,6 @@
 		EB9925852E45EF0900357055 /* QRCode in Frameworks */ = {isa = PBXBuildFile; productRef = EB9925842E45EF0900357055 /* QRCode */; };
 		EB9925872E45F12F00357055 /* QRCode in Frameworks */ = {isa = PBXBuildFile; productRef = EB9925862E45F12F00357055 /* QRCode */; };
 		EB9925892E45F13500357055 /* QRCode in Frameworks */ = {isa = PBXBuildFile; productRef = EB9925882E45F13500357055 /* QRCode */; };
-		EBA1BB1D2EF1F5650068E46E /* ChangeDeviceNameModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBA1BB1C2EF1F5650068E46E /* ChangeDeviceNameModifier.swift */; };
 		EBA1BB1E2EF1F6030068E46E /* ChangeDeviceNameModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBA1BB1C2EF1F5650068E46E /* ChangeDeviceNameModifier.swift */; };
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 		EBADEB8F2E8029750021B5E4 /* DeviceKit in Frameworks */ = {isa = PBXBuildFile; productRef = EBADEB8E2E8029750021B5E4 /* DeviceKit */; };
@@ -497,6 +502,9 @@
 		69DA9A2B29E18CB500A442DA /* offline_wire_formats.pb.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = offline_wire_formats.pb.swift; sourceTree = "<group>"; };
 		69DA9A2C29E18CB500A442DA /* securegcm.pb.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = securegcm.pb.swift; sourceTree = "<group>"; };
 		69DA9A2D29E18CB500A442DA /* securemessage.pb.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = securemessage.pb.swift; sourceTree = "<group>"; };
+		A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MirroredNotificationSupport.swift; sourceTree = "<group>"; };
+		A1F5B3D82F3A1A0100A1B2C3 /* NotificationSyncPairingToken.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationSyncPairingToken.swift; sourceTree = "<group>"; };
+		A1F5B3D92F3A1A0100A1B2C4 /* NotificationSyncQrSheetManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationSyncQrSheetManager.swift; sourceTree = "<group>"; };
 		EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrustedDevicesView.swift; sourceTree = "<group>"; };
 		EB1325D22E701D8900FD749C /* Settings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Settings.swift; sourceTree = "<group>"; };
 		EB1325E72E7025D900FD749C /* ActiveNetworkInterface.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActiveNetworkInterface.swift; sourceTree = "<group>"; };
@@ -514,7 +522,6 @@
 		EB3B9F492EF7150400D6704E /* QuickDrop copy-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = "QuickDrop copy-Info.plist"; path = "/Users/leonboettger/QuickDrop Backup with git/QuickDrop copy-Info.plist"; sourceTree = "<absolute>"; };
 		EB3B9F892EF7151900D6704E /* QuickDropShareExtensionGitHub.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = QuickDropShareExtensionGitHub.appex; sourceTree = BUILT_PRODUCTS_DIR; };
 		EB3B9F8A2EF7151900D6704E /* QuickDropShareExtension copy-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = "QuickDropShareExtension copy-Info.plist"; path = "/Users/leonboettger/QuickDrop Backup with git/QuickDropShareExtension copy-Info.plist"; sourceTree = "<absolute>"; };
-		EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EXIFUtils.swift; sourceTree = "<group>"; };
 		EB4F9D232EC27CF000A74A0F /* FileManager+DocumentsOpener.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "FileManager+DocumentsOpener.swift"; sourceTree = "<group>"; };
 		EB5C36922E34EBBD0052EFD7 /* Localizable.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = Localizable.xcstrings; sourceTree = "<group>"; };
 		EB5C36952E34EBBD0052EFD7 /* mul */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; name = mul; path = mul.lproj/ShareViewController.xcstrings; sourceTree = "<group>"; };
@@ -523,6 +530,7 @@
 		EB5C37E22E377C2E0052EFD7 /* QuickDropiOS.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = QuickDropiOS.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		EB5C38382E38C1F60052EFD7 /* justMaybe.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = justMaybe.mp3; sourceTree = "<group>"; };
 		EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LaunchAtLogin.swift; sourceTree = "<group>"; };
+		EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IntroductionSheetManager.swift; sourceTree = "<group>"; };
 		EB6E6B202ECBA95000E71D57 /* InfoPlist.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = InfoPlist.xcstrings; sourceTree = "<group>"; };
 		EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
 		EB6FE7CC2EFEAFF000FF2BCF /* NoLocalNetworkAccessAlertView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NoLocalNetworkAccessAlertView.swift; sourceTree = "<group>"; };
@@ -548,7 +556,6 @@
 		EB979F902E50CA23008B8C5C /* SendModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SendModel.swift; sourceTree = "<group>"; };
 		EB979F912E50CA23008B8C5C /* QuickDropiOS.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = QuickDropiOS.entitlements; sourceTree = "<group>"; };
 		EB979F922E50CA23008B8C5C /* QuickDropiOSApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuickDropiOSApp.swift; sourceTree = "<group>"; };
-		EB979F992E50CAA6008B8C5C /* PieProgressView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PieProgressView.swift; sourceTree = "<group>"; };
 		EB97A00E2E511120008B8C5C /* ReceiveModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReceiveModel.swift; sourceTree = "<group>"; };
 		EB97A0162E51DF4F008B8C5C /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
 		EB97A0192E51EA9C008B8C5C /* UIAlert.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIAlert.swift; sourceTree = "<group>"; };
@@ -706,6 +713,7 @@
 			isa = PBXGroup;
 			children = (
 				69DA9A1129E0BF5100A442DA /* AppDelegate.swift */,
+				EB979F8D2E50CA23008B8C5C /* Configuration.swift */,
 				EB1325D22E701D8900FD749C /* Settings.swift */,
 				EB644B852EA507CF006C2E6C /* ViewModel */,
 				EBC05C6A2E33B55100EECC18 /* View */,
@@ -742,6 +750,14 @@
 			path = NearbyShare;
 			sourceTree = "<group>";
 		};
+		A1F5B3DA2F3A1A0100A1B2C5 /* NotificationSync */ = {
+			isa = PBXGroup;
+			children = (
+				A1F5B3D92F3A1A0100A1B2C4 /* NotificationSyncQrSheetManager.swift */,
+			);
+			path = NotificationSync;
+			sourceTree = "<group>";
+		};
 		EB1325EA2E7025D900FD749C /* SelfTest */ = {
 			isa = PBXGroup;
 			children = (
@@ -762,8 +778,8 @@
 				EB16B7762E59BA9F007D9792 /* AppGroup.swift */,
 				EB886E512E4E19390052B7D9 /* HKDF.swift */,
 				EB4F9D232EC27CF000A74A0F /* FileManager+DocumentsOpener.swift */,
-				EB4F9D1E2EC26C7C00A74A0F /* EXIFUtils.swift */,
 				EB2F9BFA2DA04B67004010A2 /* Helpers.swift */,
+				A1F5B3D82F3A1A0100A1B2C3 /* NotificationSyncPairingToken.swift */,
 			);
 			path = Util;
 			sourceTree = "<group>";
@@ -773,6 +789,7 @@
 			children = (
 				69DA9A1E29E0C0B300A442DA /* NearbyConnectionManager.swift */,
 				69DA9A2229E17F0400A442DA /* InboundNearbyConnection.swift */,
+				A1B2C3DA2F33AA0100ABC001 /* MirroredNotificationSupport.swift */,
 				691F53BD2ABF03820089FD92 /* OutboundNearbyConnection.swift */,
 				698DFAE529E2F91A0064F247 /* NearbyConnection.swift */,
 			);
@@ -812,12 +829,12 @@
 			isa = PBXGroup;
 			children = (
 				EB979F8E2E50CA23008B8C5C /* ContentView.swift */,
+				EBA1BB1C2EF1F5650068E46E /* ChangeDeviceNameModifier.swift */,
 				EB6FE7CC2EFEAFF000FF2BCF /* NoLocalNetworkAccessAlertView.swift */,
 				EB979F8F2E50CA23008B8C5C /* FilePicker.swift */,
 				EB97A0192E51EA9C008B8C5C /* UIAlert.swift */,
 				EBBEE1452EC9D92F00AA7831 /* PhotoManager.swift */,
 				EBBC93B12EC8B75F00F541A1 /* LocalNetworkPermissionView.swift */,
-				EB979F992E50CAA6008B8C5C /* PieProgressView.swift */,
 			);
 			path = View;
 			sourceTree = "<group>";
@@ -830,6 +847,42 @@
 			path = Helpers;
 			sourceTree = "<group>";
 		};
+		EB6E51A72F2F95D0006D9812 /* Introduction */ = {
+			isa = PBXGroup;
+			children = (
+				EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */,
+				EB7A95F22EF6E1BE0021111B /* IntroductionView.swift */,
+			);
+			path = Introduction;
+			sourceTree = "<group>";
+		};
+		EB6E51A82F2F95E0006D9812 /* Settings */ = {
+			isa = PBXGroup;
+			children = (
+				EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */,
+				EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */,
+			);
+			path = Settings;
+			sourceTree = "<group>";
+		};
+		EB6E51A92F2F95EE006D9812 /* UserManual */ = {
+			isa = PBXGroup;
+			children = (
+				EBD2A2162D2860BE00BCB8E2 /* WelcomeScreen.swift */,
+				EB7F54112D78E95C00989564 /* TutorialView.swift */,
+				EB7F54132D78E9E400989564 /* LicenseWindow.swift */,
+			);
+			path = UserManual;
+			sourceTree = "<group>";
+		};
+		EB6E51AA2F2F9606006D9812 /* Toast */ = {
+			isa = PBXGroup;
+			children = (
+				EB869DB42E92AA33009AAAD4 /* QuickDropToastView.swift */,
+			);
+			path = Toast;
+			sourceTree = "<group>";
+		};
 		EB950B6C2E5206E2002D68FA /* iOSShareExtension */ = {
 			isa = PBXGroup;
 			children = (
@@ -845,7 +898,6 @@
 			children = (
 				EB97A0162E51DF4F008B8C5C /* Info.plist */,
 				EB1325FC2E7034B000FD749C /* InfoPlist.xcstrings */,
-				EB979F8D2E50CA23008B8C5C /* Configuration.swift */,
 				EB644B862EA50807006C2E6C /* View */,
 				EB979F912E50CA23008B8C5C /* QuickDropiOS.entitlements */,
 				EB979F922E50CA23008B8C5C /* QuickDropiOSApp.swift */,
@@ -857,14 +909,11 @@
 			isa = PBXGroup;
 			children = (
 				EB7654772E525ACC006B4AA3 /* MainMenu.xib */,
-				EBD2A2162D2860BE00BCB8E2 /* WelcomeScreen.swift */,
-				EB7F54112D78E95C00989564 /* TutorialView.swift */,
-				EB7F54132D78E9E400989564 /* LicenseWindow.swift */,
-				EB869DB42E92AA33009AAAD4 /* QuickDropToastView.swift */,
-				EBA1BB1C2EF1F5650068E46E /* ChangeDeviceNameModifier.swift */,
-				EB7A95F22EF6E1BE0021111B /* IntroductionView.swift */,
-				EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */,
-				EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */,
+				EB6E51A92F2F95EE006D9812 /* UserManual */,
+				EB6E51AA2F2F9606006D9812 /* Toast */,
+				A1F5B3DA2F3A1A0100A1B2C5 /* NotificationSync */,
+				EB6E51A82F2F95E0006D9812 /* Settings */,
+				EB6E51A72F2F95D0006D9812 /* Introduction */,
 				EBC05C812E33B58300EECC18 /* IssueViews */,
 			);
 			path = View;
@@ -1134,6 +1183,7 @@
 			files = (
 				EBD6AFBC2EF826E600DED4CD /* ConfigSynced.storekit in Resources */,
 				EB5C36942E34EBBD0052EFD7 /* Localizable.xcstrings in Resources */,
+				EB6E51AB2F311ED4006D9812 /* QuickDropIcon.icon in Resources */,
 				EB5C36E52E34EC0E0052EFD7 /* License.txt in Resources */,
 				691F53BC2ABB70840089FD92 /* DeviceListCell.xib in Resources */,
 				699DEBA92AB0573200115D22 /* ShareViewController.xib in Resources */,
@@ -1182,6 +1232,7 @@
 			files = (
 				EBD6AFC02EF826E600DED4CD /* ConfigSynced.storekit in Resources */,
 				EB3B9F7D2EF7151900D6704E /* Localizable.xcstrings in Resources */,
+				EB6E51AD2F311ED4006D9812 /* QuickDropIcon.icon in Resources */,
 				EB3B9F7E2EF7151900D6704E /* License.txt in Resources */,
 				EB3B9F7F2EF7151900D6704E /* DeviceListCell.xib in Resources */,
 				EB3B9F802EF7151900D6704E /* ShareViewController.xib in Resources */,
@@ -1215,6 +1266,7 @@
 				EB1325FE2E7034B000FD749C /* InfoPlist.xcstrings in Resources */,
 				EB950B702E520734002D68FA /* Localizable.xcstrings in Resources */,
 				EBD6AFBE2EF826E600DED4CD /* ConfigSynced.storekit in Resources */,
+				EB6E51AC2F311ED4006D9812 /* QuickDropIcon.icon in Resources */,
 				EB950B5C2E52065A002D68FA /* justMaybe.mp3 in Resources */,
 				EB950B5D2E52065A002D68FA /* License.txt in Resources */,
 				EB7654C12E534A8E006B4AA3 /* Assets.xcassets in Resources */,
@@ -1246,7 +1298,6 @@
 				EB5C37C72E377A780052EFD7 /* wire_format.pb.swift in Sources */,
 				EB5C37C82E377A780052EFD7 /* ukey.pb.swift in Sources */,
 				EB5C37C92E377A780052EFD7 /* device_to_device_messages.pb.swift in Sources */,
-				EB4F9D222EC26C8100A74A0F /* EXIFUtils.swift in Sources */,
 				EB950B742E520957002D68FA /* Attachments.swift in Sources */,
 				EB1325D32E701D8E00FD749C /* Settings.swift in Sources */,
 				EB16B7782E59BAA1007D9792 /* AppGroup.swift in Sources */,
@@ -1262,6 +1313,7 @@
 				EB5C37D12E377A7F0052EFD7 /* DataModel.swift in Sources */,
 				EB5C37D22E377A7F0052EFD7 /* NearbyConnection.swift in Sources */,
 				EB5C37D32E377A7F0052EFD7 /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D42F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB5C37D42E377A7F0052EFD7 /* NearbyConnectionManager.swift in Sources */,
 				EB5C37BD2E377A700052EFD7 /* Helpers.swift in Sources */,
 				EB1325EB2E7025D900FD749C /* ApIsolationTester.swift in Sources */,
@@ -1276,7 +1328,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				EBD2A2172D2860C100BCB8E2 /* WelcomeScreen.swift in Sources */,
-				EBA1BB1D2EF1F5650068E46E /* ChangeDeviceNameModifier.swift in Sources */,
 				EB3643602D73A2A2009CDFF8 /* AudioManager.swift in Sources */,
 				EB5C38412E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */,
 				EB5C37B82E377A6F0052EFD7 /* SleepManager.swift in Sources */,
@@ -1295,10 +1346,13 @@
 				EB16B6152E58B4B9007D9792 /* IdentityManager.swift in Sources */,
 				EB5C37C42E377A780052EFD7 /* securegcm.pb.swift in Sources */,
 				EB97A0102E51CD13008B8C5C /* ReceiveModel.swift in Sources */,
+				A1F5B3DD2F3A1A0100A1B2C8 /* NotificationSyncQrSheetManager.swift in Sources */,
+				A1F5B3DB2F3A1A0100A1B2C6 /* NotificationSyncPairingToken.swift in Sources */,
 				EB5C37CB2E377A7F0052EFD7 /* NearbyConnection.swift in Sources */,
 				EB5C37CC2E377A7F0052EFD7 /* DataModel.swift in Sources */,
 				EB5C37CD2E377A7F0052EFD7 /* OutboundNearbyConnection.swift in Sources */,
 				EB5C37CE2E377A7F0052EFD7 /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D52F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB5C37CF2E377A7F0052EFD7 /* NearbyConnectionManager.swift in Sources */,
 				EBE5FF422EDB6F6F0019B380 /* Configuration.swift in Sources */,
 				EB7654A12E53252D006B4AA3 /* AttachmentDetails.swift in Sources */,
@@ -1306,8 +1360,8 @@
 				EB96ED8C2D7F7E7B004B3FF1 /* SmallSheetView.swift in Sources */,
 				EB886E682E4F2F800052B7D9 /* License.swift in Sources */,
 				EB7F54142D78E9E700989564 /* LicenseWindow.swift in Sources */,
-				EB4F9D202EC26C8100A74A0F /* EXIFUtils.swift in Sources */,
 				69DA9A1229E0BF5100A442DA /* AppDelegate.swift in Sources */,
+				EB6E51A62F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */,
 				EB6F62D72D91F4AF00534EC2 /* SettingsView.swift in Sources */,
 				EB7F54122D78E96000989564 /* TutorialView.swift in Sources */,
 				EB9925812E45D53E00357055 /* sharing_enums.pb.swift in Sources */,
@@ -1331,7 +1385,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				EB3B9F002EF7150400D6704E /* WelcomeScreen.swift in Sources */,
-				EB3B9F012EF7150400D6704E /* ChangeDeviceNameModifier.swift in Sources */,
 				EB3B9F022EF7150400D6704E /* AudioManager.swift in Sources */,
 				EB3B9F032EF7150400D6704E /* LaunchAtLogin.swift in Sources */,
 				EB3B9F042EF7150400D6704E /* SleepManager.swift in Sources */,
@@ -1350,10 +1403,13 @@
 				EB3B9F112EF7150400D6704E /* IdentityManager.swift in Sources */,
 				EB3B9F122EF7150400D6704E /* securegcm.pb.swift in Sources */,
 				EB3B9F132EF7150400D6704E /* ReceiveModel.swift in Sources */,
+				A1F5B3DE2F3A1A0100A1B2C9 /* NotificationSyncQrSheetManager.swift in Sources */,
+				A1F5B3DC2F3A1A0100A1B2C7 /* NotificationSyncPairingToken.swift in Sources */,
 				EB3B9F142EF7150400D6704E /* NearbyConnection.swift in Sources */,
 				EB3B9F152EF7150400D6704E /* DataModel.swift in Sources */,
 				EB3B9F162EF7150400D6704E /* OutboundNearbyConnection.swift in Sources */,
 				EB3B9F172EF7150400D6704E /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D62F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB3B9F182EF7150400D6704E /* NearbyConnectionManager.swift in Sources */,
 				EB3B9F192EF7150400D6704E /* Configuration.swift in Sources */,
 				EB3B9F1A2EF7150400D6704E /* AttachmentDetails.swift in Sources */,
@@ -1361,8 +1417,8 @@
 				EB3B9F1C2EF7150400D6704E /* SmallSheetView.swift in Sources */,
 				EB3B9F1D2EF7150400D6704E /* License.swift in Sources */,
 				EB3B9F1E2EF7150400D6704E /* LicenseWindow.swift in Sources */,
-				EB3B9F1F2EF7150400D6704E /* EXIFUtils.swift in Sources */,
 				EB3B9F202EF7150400D6704E /* AppDelegate.swift in Sources */,
+				EB6E51A52F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */,
 				EB3B9F212EF7150400D6704E /* SettingsView.swift in Sources */,
 				EB3B9F222EF7150400D6704E /* TutorialView.swift in Sources */,
 				EB3B9F232EF7150400D6704E /* sharing_enums.pb.swift in Sources */,
@@ -1403,7 +1459,6 @@
 				EB3B9F5B2EF7151900D6704E /* wire_format.pb.swift in Sources */,
 				EB3B9F5C2EF7151900D6704E /* ukey.pb.swift in Sources */,
 				EB3B9F5D2EF7151900D6704E /* device_to_device_messages.pb.swift in Sources */,
-				EB3B9F5E2EF7151900D6704E /* EXIFUtils.swift in Sources */,
 				EB3B9F5F2EF7151900D6704E /* Attachments.swift in Sources */,
 				EB3B9F602EF7151900D6704E /* Settings.swift in Sources */,
 				EB3B9F612EF7151900D6704E /* AppGroup.swift in Sources */,
@@ -1419,6 +1474,7 @@
 				EB3B9F6B2EF7151900D6704E /* DataModel.swift in Sources */,
 				EB3B9F6C2EF7151900D6704E /* NearbyConnection.swift in Sources */,
 				EB3B9F6D2EF7151900D6704E /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D72F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB3B9F6E2EF7151900D6704E /* NearbyConnectionManager.swift in Sources */,
 				EB3B9F6F2EF7151900D6704E /* Helpers.swift in Sources */,
 				EB3B9F702EF7151900D6704E /* ApIsolationTester.swift in Sources */,
@@ -1447,13 +1503,13 @@
 				EB5C37F92E377CE70052EFD7 /* securegcm.pb.swift in Sources */,
 				EB5C37FA2E377CE70052EFD7 /* Helpers.swift in Sources */,
 				EB5C37FB2E377CE70052EFD7 /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D82F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB9925802E45D53E00357055 /* sharing_enums.pb.swift in Sources */,
 				EB5C37FC2E377CE70052EFD7 /* OutboundNearbyConnection.swift in Sources */,
 				EB1325D62E701D8E00FD749C /* Settings.swift in Sources */,
 				EBBC93B32EC8B76600F541A1 /* LocalNetworkPermissionView.swift in Sources */,
 				EB97A00F2E511124008B8C5C /* ReceiveModel.swift in Sources */,
 				EB5C37FE2E377CE70052EFD7 /* offline_wire_formats.pb.swift in Sources */,
-				EB4F9D1F2EC26C8100A74A0F /* EXIFUtils.swift in Sources */,
 				EB886E6A2E4F37B90052B7D9 /* ErrorAlertHandler.swift in Sources */,
 				EB886E5E2E4F13EB0052B7D9 /* Zip.swift in Sources */,
 				EB5C383D2E38C2D90052EFD7 /* AudioManager.swift in Sources */,
@@ -1463,7 +1519,6 @@
 				EBBEE1462EC9D93400AA7831 /* PhotoManager.swift in Sources */,
 				EB97A01A2E51EAA2008B8C5C /* UIAlert.swift in Sources */,
 				EB979F962E50CA23008B8C5C /* FilePicker.swift in Sources */,
-				EB979F9A2E50CAA6008B8C5C /* PieProgressView.swift in Sources */,
 				EB979F972E50CA23008B8C5C /* SendModel.swift in Sources */,
 				EB979F982E50CA23008B8C5C /* QuickDropiOSApp.swift in Sources */,
 				EB16B61A2E58B4C8007D9792 /* TrustStore.swift in Sources */,
@@ -1488,8 +1543,8 @@
 				EB950B4A2E520436002D68FA /* securegcm.pb.swift in Sources */,
 				EB950B4B2E520436002D68FA /* offline_wire_formats.pb.swift in Sources */,
 				EB950B4C2E520436002D68FA /* InboundNearbyConnection.swift in Sources */,
+				A1B2C3D92F33AA0100ABC001 /* MirroredNotificationSupport.swift in Sources */,
 				EB16B6132E58B4B9007D9792 /* IdentityManager.swift in Sources */,
-				EB4F9D212EC26C8100A74A0F /* EXIFUtils.swift in Sources */,
 				EB950B4D2E520436002D68FA /* NearbyConnection.swift in Sources */,
 				EB950B502E520436002D68FA /* wire_format.pb.swift in Sources */,
 				EB950B582E5205B4002D68FA /* Zip.swift in Sources */,
@@ -1510,7 +1565,6 @@
 				EB950B3F2E52038A002D68FA /* FilePicker.swift in Sources */,
 				EB4F9D252EC27CFB00A74A0F /* FileManager+DocumentsOpener.swift in Sources */,
 				EB950B402E52038A002D68FA /* Configuration.swift in Sources */,
-				EB950B412E52038A002D68FA /* PieProgressView.swift in Sources */,
 				EB950B592E520649002D68FA /* AudioManager.swift in Sources */,
 				EB950B752E52111C002D68FA /* Attachments.swift in Sources */,
 				EB950B6F2E5206E2002D68FA /* ShareViewController.swift in Sources */,
@@ -1579,7 +1633,7 @@
 				INFOPLIST_FILE = ShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = QuickDrop;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -1631,7 +1685,7 @@
 				INFOPLIST_FILE = ShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = QuickDrop;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -1719,8 +1773,8 @@
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
-				SHARED_BUILD = 107;
-				SHARED_VERSION = 2.10.3;
+				SHARED_BUILD = 138;
+				SHARED_VERSION = 3.0;
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -1782,8 +1836,8 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
-				SHARED_BUILD = 107;
-				SHARED_VERSION = 2.10.3;
+				SHARED_BUILD = 138;
+				SHARED_VERSION = 3.0;
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -1826,7 +1880,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -1891,7 +1945,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -1955,7 +2009,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -2021,7 +2075,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -2077,7 +2131,7 @@
 				INFOPLIST_FILE = "QuickDropShareExtension copy-Info.plist";
 				INFOPLIST_KEY_CFBundleDisplayName = QuickDrop;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -2129,7 +2183,7 @@
 				INFOPLIST_FILE = "QuickDropShareExtension copy-Info.plist";
 				INFOPLIST_KEY_CFBundleDisplayName = QuickDrop;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -2171,7 +2225,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
@@ -2216,7 +2270,7 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025 Leon Böttger";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
@@ -2256,7 +2310,7 @@
 				INFOPLIST_FILE = iOSShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = iOSShareExtension;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				IPHONEOS_DEPLOYMENT_TARGET = 16.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -2287,7 +2341,7 @@
 				INFOPLIST_FILE = iOSShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = iOSShareExtension;
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
-				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				IPHONEOS_DEPLOYMENT_TARGET = 16.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",

QuickDrop.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -42,8 +42,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/devicekit/DeviceKit",
       "state" : {
-        "revision" : "581df61650bc457ec00373a592a84be3e7468eb1",
-        "version" : "5.7.0"
+        "revision" : "56b997e8a61707218f9af09f32b2a1d1806fd792",
+        "version" : "5.8.0"
       }
     },
     {
@@ -52,7 +52,7 @@
       "location" : "https://github.com/leonboe1/LUI.git",
       "state" : {
         "branch" : "main",
-        "revision" : "19b90ffd9778db54391501f0ba1319e0a1c12b1f"
+        "revision" : "3582f59e758c39a849ab691f3fe26f7d0f618a94"
       }
     },
     {
@@ -87,8 +87,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-protobuf.git",
       "state" : {
-        "revision" : "c169a5744230951031770e27e475ff6eefe51f9d",
-        "version" : "1.33.3"
+        "revision" : "a008af1a102ff3dd6cc3764bb69bf63226d0f5f6",
+        "version" : "1.36.1"
       }
     },
     {
@@ -124,7 +124,7 @@
       "location" : "https://github.com/siteline/swiftui-introspect",
       "state" : {
         "branch" : "main",
-        "revision" : "b10fc8a284abb9bd908d77243d2ba3b3d8ea6ebc"
+        "revision" : "26986a57e31c813f98262ddb62d4b07d40008535"
       }
     },
     {

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDrop.xcscheme

@@ -34,7 +34,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = "de"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -51,6 +50,9 @@
             ReferencedContainer = "container:QuickDrop.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <StoreKitConfigurationFileReference
+         identifier = "../../ConfigSynced.storekit">
+      </StoreKitConfigurationFileReference>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

QuickDrop/AppDelegate.swift

@@ -20,14 +20,12 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     private var statusItem: NSStatusItem?
 
     var welcomeWindow: NSWindow?
-    var introductionWindow: NSWindow?
     var plusWindow: NSWindow?
     
     private var sheetView: NSPanel? = nil
     private var sheetAttachedWindow: NSWindow? = nil
     private var errorAlertHandler = ErrorAlertHandler.shared
 
-    private var iapManager: IAPManager?
     private var receiveModel: ReceiveModel?
 
     var showsFirewallAlert = false
@@ -36,12 +34,42 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     
     // MARK: NSApplicationDelegate functions
     
-    func applicationWillFinishLaunching(_: Notification) {
-        LUIInit(configuration: configuration)
-    }
-    
-    
     func applicationDidFinishLaunching(_: Notification) {
+        // app did not lauch before
+        if !Settings.sharedInstance.appLaunchedBefore {
+            runAfter(seconds: 0.1) { log("[AppDelegate] Opening Welcome Screen") }
+            
+            DispatchQueue.main.async {
+                // open welcome screen in next cycle (await LUIInit)
+                self.openMainWindow()
+            }
+            
+            // user installed the app after the IAP was implemented, set the user as eligible for IAP
+            Settings.sharedInstance.isEligibleForIap = true
+            LUIInit(configuration: configuration)
+        } else {
+            // app launched before
+            #if GITHUB
+            runAfter(seconds: 0.1) { log("[AppDelegate] Downloaded from GitHub.") }
+            #else
+            // user installed the app before the IAP was implemented, grant the plus version
+            if !Settings.sharedInstance.isEligibleForIap {
+                runAfter(seconds: 0.1) { log("[AppDelegate] Granting QuickDrop+ for old user") }
+                UserDefaults.standard.set(true, forKey: Settings.UserDefaultsKeys.plusVersionLegacy.rawValue)
+            }
+            #endif
+
+            BezelNotification.show(messageText: "ReadyToReceive".localized(), icon: .receiveIcon)
+            
+            // only start receiving immediately for existing user, for new users we want to delay the permission prompt
+            LUIInit(configuration: configuration)
+            startReceiving()
+        }
+
+        UNUserNotificationCenter.current().delegate = self
+        
+        
+        // MARK: Menu Bar
         
         let menu = NSMenu()
 
@@ -61,7 +89,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
         menu.addItem(NSMenuItem.separator())
 
-        let userManualItem = NSMenuItem(title: "UserManual".localized(), action: #selector(openApplicableScreen), keyEquivalent: "")
+        let userManualItem = NSMenuItem(title: "UserManual".localized(), action: #selector(openMainWindow), keyEquivalent: "")
         userManualItem.image = NSImage(systemSymbolName: "gear", accessibilityDescription: nil)
         menu.addItem(userManualItem)
 
@@ -73,45 +101,9 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         statusItem?.button?.image = NSImage(named: "MenuBarIcon")
         statusItem?.menu = menu
         statusItem?.behavior = .removalAllowed
-
-        iapManager = IAPManager.sharedInstance
-
-        // app did not lauch before
-        if !Settings.shared.appLaunchedBefore {
-            log("[AppDelegate] Opening Welcome Screen")
-            // open welcome screen
-            openIntroductionWindow()
-            
-            // user installed the app after the IAP was implemented, set the user as eligible for IAP
-            Settings.shared.isEligibleForIap = true
-        } else {
-            // app launched before
-
-            #if GITHUB
-            log("[AppDelegate] Downloaded from GitHub.")
-            #else
-            // user installed the app before the IAP was implemented, grant the plus version
-            if !Settings.shared.isEligibleForIap {
-                log("[AppDelegate] Granting QuickDrop+ for old user")
-                Settings.shared.gotPlus = true
-                UserDefaults.standard.set(true, forKey: Settings.UserDefaultsKeys.plusVersionLegacy.rawValue)
-            } else {
-                if !fullVersion() {
-                    log("[AppDelegate] New user - QuickDrop+ not available")
-                }
-                else {
-                    log("[AppDelegate] QuickDrop+ available")
-                }
-            }
-            #endif
-
-            BezelNotification.show(messageText: "ReadyToReceive".localized(), icon: .receiveIcon)
-            
-            // only start receiving immediately for existing user, for new users we want to delay the permission prompt
-            startReceiving()
-        }
-
-        UNUserNotificationCenter.current().delegate = self
+        
+        
+        // MARK: Nearby Connections Callbacks
         
         NearbyConnectionManager.shared.connectionUpdateCallback = { isConnected in
             if isConnected {
@@ -128,11 +120,20 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             self.visibleItem?.title = self.getDefaultVisibleLabel()
         }
         
+        
+        // MARK: Logging
+        
         log("[AppDelegate] Application did finish launching")
+        log("[AppDelegate] Currently running apps: \(NSWorkspace.shared.runningApplications.map { $0.localizedName ?? "-" })")
     }
     
     
     func startReceiving() {
+        guard receiveModel == nil else {
+            log("[AppDelegate] startReceiving called while receiver is already active. Ignoring duplicate call.")
+            return
+        }
+
         receiveModel = ReceiveModel(controlPlusScreen: { shouldOpen in
             if shouldOpen {
                 self.openPlusScreen()
@@ -150,7 +151,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     
     func windowWillClose(_ notification: Notification) {
           if let window = notification.object as? NSWindow, window == welcomeWindow {
-              log("Welcome window closed")
+              log("[AppDelegate] Welcome window closed")
               welcomeWindow = nil
               NSApp.setActivationPolicy(.accessory)
           }
@@ -158,21 +159,11 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     
     
     func applicationShouldHandleReopen(_: NSApplication, hasVisibleWindows _: Bool) -> Bool {
-        self.openApplicableScreen()
+        self.openMainWindow()
         statusItem?.isVisible = true
         return true
     }
     
-    
-    @objc func openApplicableScreen() {
-        if Settings.shared.appLaunchedBefore {
-            openMainWindow()
-        }
-        else {
-            openIntroductionWindow()
-        }
-    }
-    
 
     public func userNotificationCenter(_: UNUserNotificationCenter,
                                        willPresent _: UNNotification,
@@ -183,22 +174,42 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
     func applicationWillTerminate(_: Notification) {
         UNUserNotificationCenter.current().removeAllDeliveredNotifications()
+        NearbyConnectionManager.shared.stopDeviceDiscovery()
+        NearbyConnectionManager.shared.becomeInvisible()
     }
     
     
     func application(_ application: NSApplication, open urls: [URL]) {
+        
+        log("[AppDelegate] application(open:): Received URLs: \(urls)")
+        
         for url in urls {
             if url.scheme == "quickdrop" {
-                
                 switch url.host {
                     case "sendLog":
-                        sendLoggingString()
+                        // If we're in an extension, redirect to the main app
+                        if Bundle.main.bundlePath.hasSuffix(".appex") {
+                            log("[AppDelegate] sendLoggingString: in extension, redirecting to main app")
+                            
+                            if let url = URL(string: "quickdrop://sendLog") {
+                                NSWorkspace.shared.open(url)
+                            }
+                            return
+                        }
+                        
+                        LogExportPresenter.showUploadLogsAlert()
                     case "openLog":
                         if let url = LogManager.sharedInstance.logFileURL {
+                            log("[AppDelegate] Opening log file: \(url)")
                             NSWorkspace.shared.activateFileViewerSelecting([url])
                         }
+                        else {
+                            log("[AppDelegate] No log file found to open.")
+                        }
+                    case "mockTransferFailure":
+                        ErrorAlertHandler.shared.showErrorAlert(for: "Test Device", error: NearbyError.inputOutput)
                     case "removeData":
-                        Settings.shared.deleteAllUserDefaults()
+                        Settings.sharedInstance.deleteAllUserDefaults()
                     default:
                         break
                 }
@@ -231,6 +242,16 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
     
     @objc func openMainWindow() {
+        defer {
+            if let welcomeWindow, !Settings.sharedInstance.appLaunchedBefore {
+                runAfter(seconds: 0.2) {
+                    IntroductionSheetManager.sharedInstance.openIntroductionWindow(on: welcomeWindow, startReceiving: self.startReceiving) {
+                        self.startReceiving()
+                        Settings.sharedInstance.appLaunchedBefore = true
+                    }
+                }
+            }
+        }
         
         NSApp.setActivationPolicy(.regular)
         
@@ -271,49 +292,6 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         welcomeWindow?.makeKeyAndOrderFront(nil)
         welcomeWindow?.level = .normal
     }
-
-    
-    @objc func openIntroductionWindow() {
-        
-        NSApp.setActivationPolicy(.regular)
-        
-        if let window = introductionWindow {
-            if window.isMiniaturized {
-                window.deminiaturize(nil)
-            }
-            NSApp.activate(ignoringOtherApps: true)
-            window.makeKeyAndOrderFront(nil)
-            return
-        }
-
-        let introductionView = IntroductionView(startReceiving: startReceiving) {
-            Settings.shared.appLaunchedBefore = true
-            self.introductionWindow?.close()
-            self.introductionWindow = nil
-            self.openMainWindow()
-        }
-
-        introductionWindow = NSWindow(
-            contentRect: NSRect(x: 0, y: 0, width: IntroductionView.width, height: IntroductionView.height),
-            styleMask: [.titled, .closable],
-            backing: .buffered,
-            defer: false
-        )
-
-        introductionWindow?.styleMask.insert(.fullSizeContentView)
-        introductionWindow?.titleVisibility = .hidden
-        introductionWindow?.titlebarAppearsTransparent = true
-
-        introductionWindow?.center()
-        introductionWindow?.isReleasedWhenClosed = false
-        introductionWindow?.setFrameAutosaveName("IntroductionScreen")
-        introductionWindow?.contentView = NSHostingView(rootView: introductionView)
-        introductionWindow?.delegate = self
-
-        NSApp.activate(ignoringOtherApps: true)
-        introductionWindow?.makeKeyAndOrderFront(nil)
-        introductionWindow?.level = .normal
-    }
     
     
     @objc func openPlusScreen() {
@@ -321,11 +299,11 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         if let window = plusWindow, window.isVisible {
             NSApp.activate(ignoringOtherApps: true)
             window.makeKeyAndOrderFront(nil)
-            log("Plus screen already open, bringing to front")
+            log("[AppDelegate] Plus screen already open, bringing to front")
             return
         }
         
-        log("Opening Plus screen")
+        log("[AppDelegate] Opening Plus screen")
 
         // Create the welcome screen SwiftUI view
         let plusView = GetPlusViewV4(showSheet: Binding(get: { self.plusWindow != nil }, set: { newValue in
@@ -335,7 +313,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             }
         }), hasSheet: false)
         
-        let plusViewWidth: CGFloat = 550
+        let plusViewWidth: CGFloat = 750
         let plusViewHeight: CGFloat = 750
 
         // Create an NSWindow to host the SwiftUI view
@@ -365,7 +343,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         // Ensure the window is always on top
         NSApp.activate(ignoringOtherApps: true)
         window.makeKeyAndOrderFront(nil)
-        window.level = .normal
+        window.level = .floating
     }
     
     
@@ -410,10 +388,10 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         let scanner = DeviceToDeviceHeuristicScanner.shared
         scanner.scan { allowed in
             if allowed {
-                log("✅ Device-to-device likely allowed (peer responded on LAN).")
+                log("[AppDelegate] ✅ Device-to-device likely allowed (peer responded on LAN).")
                 ErrorAlertHandler.shared.closeApIsolationAlert()
             } else {
-                log("❌ Device-to-device check failed. Informing user...")
+                log("[AppDelegate] ❌ Device-to-device check failed. Informing user...")
                 ErrorAlertHandler.shared.openAlert(type: .ApIsolation)
             }
         }

QuickDrop/Configuration.swift

@@ -6,32 +6,28 @@
 //
 
 import LUI
-import Foundation
+import SwiftUI
 
 let configuration = LUIConfiguration(
     appName: "QuickDrop",
     
     plusVersionInfo: GetPlusViewInformation(lifetimeID: "plusversion", monthlyID: "quickdrop.monthly", yearlyID: "quickdrop.yearly", plusViewHeader: isMac() ? "plusview_title" : nil, description: isMac() ? "plusview_description" : "plusview_description_phone", onBoughtPlusVersionAlertMessage: "plusview_success_description", plusVersionFeatures: [], settingsLabelColor: .orange, settingsFooter: "plusview_footer_phone"),
     
-    setPlusVersion: { result in
-        #if !GITHUB
-        DispatchQueue.main.async {
-            Settings.shared.gotPlus = result
-        }
-        #endif
-    },
-    
     hasRoundedFont: false,
     
     switchedToIAPafterBundleVersion: AppVersionBundle(appVersion: "1.2", buildVersion: 0, legacyUserDefaultsKey: Settings.UserDefaultsKeys.plusVersionLegacy.rawValue),
     
     copyrightInformation: licenseText,
     
+    logUploadDisclaimerMessage: "log_upload_disclaimer_message",
+    
     loggingUrl: AppGroup.appGroupDirectory,
     
     introductionViewInformation: "QuickDropWelcomeDescription",
     
-    usesAutomaticReviewPrompt: false,
+    introductionViewImage: Image(.quickDropMockup),
+    
+    usesAutomaticReviewPromptAndShareSheet: false,
     
     usesPagedIntroduction: true,
     
@@ -41,5 +37,5 @@ let configuration = LUIConfiguration(
     
     supportsPortraitSplitView: false,
     
-    supportsDarkModeShadow: false
+    supportsDarkModeShadow: true
 )

QuickDrop/InfoPlist.xcstrings

@@ -11,7 +11,8 @@
             "value" : "QuickDrop"
           }
         }
-      }
+      },
+      "shouldTranslate" : false
     },
     "CFBundleName" : {
       "comment" : "Bundle name",
@@ -23,7 +24,8 @@
             "value" : "QuickDrop"
           }
         }
-      }
+      },
+      "shouldTranslate" : false
     },
     "NSHumanReadableCopyright" : {
       "comment" : "Copyright (human-readable)",
@@ -32,10 +34,11 @@
         "en" : {
           "stringUnit" : {
             "state" : "new",
-            "value" : ""
+            "value" : "Copyright © 2025-2026 Leon Böttger"
           }
         }
-      }
+      },
+      "shouldTranslate" : false
     },
     "NSLocalNetworkUsageDescription" : {
       "comment" : "Privacy - Local Network Usage Description",

QuickDrop/QuickDrop.entitlements

@@ -6,5 +6,9 @@
 	<array>
 		<string>group.com.leonboettger.neardrop</string>
 	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)com.leonboettger.neardrop</string>
+	</array>
 </dict>
 </plist>

QuickDrop/Settings.swift

@@ -5,25 +5,18 @@
 //  Created by Leon Böttger on 09.09.25.
 //
 
+import LUI
 import SwiftUI
 
-class Settings: ObservableObject {
+final class Settings: SharedInstance {
     
     private init() {}
     
-    static var shared = Settings()
+    static var sharedInstance = Settings()
     
     
     //  MARK: - Published UserDefaults Backed Properties
     
-    #if GITHUB
-    let gotPlus = true
-    #else
-    @Published var gotPlus = UserDefaults.standard.bool(forKey: UserDefaultsKeys.plusVersion.rawValue)
-    { didSet { UserDefaults.standard.set(gotPlus, forKey: UserDefaultsKeys.plusVersion.rawValue) }}
-    #endif
-    
-    
     @Published var automaticallyAcceptFiles: Bool = UserDefaults.standard.bool(forKey: UserDefaultsKeys.automaticallyAcceptFiles.rawValue)
     { didSet { UserDefaults.standard.set(automaticallyAcceptFiles, forKey: UserDefaultsKeys.automaticallyAcceptFiles.rawValue) }}
 
@@ -41,6 +34,10 @@ class Settings: ObservableObject {
     
     var incomingTransmissionCount: Int = UserDefaults.standard.integer(forKey: UserDefaultsKeys.transmissionCount.rawValue)
     { didSet { UserDefaults.standard.set(incomingTransmissionCount, forKey: UserDefaultsKeys.transmissionCount.rawValue) }}
+
+
+    var incomingNotificationCount: Int = UserDefaults.standard.integer(forKey: UserDefaultsKeys.incomingNotificationCount.rawValue)
+    { didSet { UserDefaults.standard.set(incomingNotificationCount, forKey: UserDefaultsKeys.incomingNotificationCount.rawValue) }}
     
     
     var endpointID: String? = UserDefaults.standard.string(forKey: UserDefaultsKeys.endpointID.rawValue)
@@ -65,18 +62,18 @@ class Settings: ObservableObject {
         }
         defaults.synchronize()
         
-        Settings.shared = Settings()
+        Settings.sharedInstance = Settings()
     }
     
     
     
     // MARK: - UserDefaults Keys
     
-    public enum UserDefaultsKeys: String, CaseIterable {
+    public enum UserDefaultsKeys: String, CaseIterable, RawRepresentable {
         case isEligibleForIap = "isEligibleForIap"
         case appLaunchedBefore = "ShowedWelcomeScreen"
-        case plusVersion = "plusVersion"
         case transmissionCount = "reviewRequestCountKey"
+        case incomingNotificationCount = "incomingNotificationCount"
         case automaticallyAcceptFiles = "automaticallyAcceptFiles"
         case saveFolderBookmark = "saveFolderBookmark"
         case openFinderAfterReceiving = "openFinderAfterReceiving"

QuickDrop/Util/ErrorAlertHandler.swift

@@ -36,7 +36,6 @@ class ErrorAlertHandler {
         
         var description = ""
         let fixInstructions = " " + "Error.FixInstructions".localized()
-        
         if let ne = (error as? NearbyError) {
             switch ne {
             case .inputOutput:
@@ -61,6 +60,8 @@ class ErrorAlertHandler {
                 description = errorMessage + fixInstructions
             case .ukey2:
                 description = "Error.Crypto".localized() + ": \(ne.localizedDescription)" + fixInstructions
+            case .notificationSyncNotTrusted:
+                description = "NotificationSyncNotTrustedMessage".localized()
             case .canceled(reason: let reason):
                 if reason == .timedOut {
                     description = reason.localizedDescription() + fixInstructions
@@ -83,7 +84,7 @@ class ErrorAlertHandler {
             
             let title = String(format: "TransferError".localized(), arguments: [deviceName])
             log("Showing alert with title: \"\(title)\" and description: \"\(description)\"")
-            log("Unsuccessful transmission. Already successful transmissions: \(Settings.shared.incomingTransmissionCount)")
+            log("Unsuccessful transmission. Already successful transmissions: \(Settings.sharedInstance.incomingTransmissionCount)")
             
             #if os(macOS)
             
@@ -102,8 +103,13 @@ class ErrorAlertHandler {
             self.isAlertShown = false
             
             if result == .alertFirstButtonReturn {
-                //log("Sending logging string")
-                //sendLoggingString()
+                if Bundle.main.bundlePath.hasSuffix(".appex") {
+                    if let url = URL(string: "quickdrop://sendLog") {
+                        NSWorkspace.shared.open(url)
+                    }
+                } else {
+                    LogExportPresenter.showUploadLogsAlert(openSupportMailAfterUpload: false)
+                }
             }
             #else
             showAlert(title: title, message: description)
@@ -161,75 +167,6 @@ class ErrorAlertHandler {
 }
 
 
-#if os(macOS)
-func sendLoggingString() {
-    // If we're in an extension, redirect to the main app
-    if Bundle.main.bundlePath.hasSuffix(".appex") {
-        log("sendLoggingString: in extension, redirecting to main app")
-        
-        if let url = URL(string: "quickdrop://sendLog") {
-            NSWorkspace.shared.open(url)
-        }
-        return
-    }
-    
-    // We're in the main app – do the actual sending
-    if let url = LogManager.sharedInstance.logFileURL {
-        let appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "Unknown"
-        log("Sending logging string with file URL: \(url)")
-        log("Currently running apps: \(NSWorkspace.shared.runningApplications.map { $0.localizedName ?? "Unknown" })")
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3, execute: {
-            sendEmailWithAttachment(
-                fileURL: url,
-                recipients: ["quickdrop@leonboettger.com"],
-                subject: "QuickDrop \(appVersion) - \(getDeviceAndSystem())"
-            )
-        })
-    }
-}
-
-
-fileprivate func getDeviceAndSystem() -> String {
-    // Get Mac model identifier
-    var size: Int = 0
-    sysctlbyname("hw.model", nil, &size, nil, 0)
-    
-    var modelBuffer = [CChar](repeating: 0, count: size)
-    sysctlbyname("hw.model", &modelBuffer, &size, nil, 0)
-    
-    let model = String(cString: modelBuffer)
-    
-    // Get macOS version
-    let version = ProcessInfo.processInfo.operatingSystemVersion
-    let versionString = "\(version.majorVersion).\(version.minorVersion).\(version.patchVersion)"
-    
-    return "\(model) - \(versionString)"
-}
-
-
-func sendEmailWithAttachment(fileURL: URL, recipients: [String], subject: String) {
-    guard let emailService = NSSharingService(named: .composeEmail) else {
-        log("No email service available")
-        return
-    }
-    
-    emailService.recipients = recipients
-    emailService.subject = subject
-    emailService.perform(withItems: [fileURL])
-    
-    log("Email service opened with recipients: \(recipients) and subject: \(subject)")
-}
-
-
-func copyToClipboard(_ text: String) {
-    let pasteboard = NSPasteboard.general
-    pasteboard.clearContents()
-    pasteboard.setString(text, forType: .string)
-}
-#endif
-
-
 enum AlertType: String {
     case ApIsolation
     case NetworkFilter

QuickDrop/Util/SendToExtension.swift

@@ -19,7 +19,12 @@ func sendToSharingService(items: [Any]) {
             let alert = NSAlert()
             alert.alertStyle = .critical
             alert.messageText = "ShareExtensionDisabledTitle".localized()
-            alert.informativeText = "ShareExtensionDisabledDescription".localized()
+            if #available(macOS 13.0, *) {
+                alert.informativeText = "ShareExtensionDisabledDescription".localized()
+            }
+            else {
+                alert.informativeText = "ShareExtensionDisabledDescriptionLegacy".localized()
+            }
             alert.addButton(withTitle: "CloseAlert".localized())
             alert.runModal()
         }

QuickDrop/View/Introduction/IntroductionSheetManager.swift

@@ -0,0 +1,65 @@
+//
+//  AlertManager.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 01.02.26.
+//
+
+
+import LUI
+import SwiftUI
+
+public final class IntroductionSheetManager: ObservableObject {
+    
+    public static let sharedInstance = IntroductionSheetManager()
+    
+    private var sheetView: NSPanel? = nil
+    private var sheetAttachedWindow: NSWindow? = nil
+    
+    
+    func openIntroductionWindow(on window: NSWindow, startReceiving: @escaping () -> Void, onFinish: @escaping () -> Void) {
+        openSheetWindow(on: window, contentView: IntroductionView(startReceiving: startReceiving, onFinish: {
+            self.closeSheetWindow()
+            onFinish()
+        }))
+    }
+    
+    
+    private func openSheetWindow<Content: View>(on window: NSWindow, contentView: Content) {
+        if sheetView == nil {
+            // Create the panel
+            let panel = NSPanel(
+                contentRect: NSRect(x: 0, y: 0, width: IntroductionView.width, height: IntroductionView.height),
+                styleMask: [.titled, .closable, .utilityWindow],
+                backing: .buffered,
+                defer: false
+            )
+            
+            // Set content (can be a NSHostingView for SwiftUI views)
+            let hostingView = NSHostingView(rootView: contentView)
+            panel.contentView = hostingView
+            
+            // Present as sheet
+            window.beginSheet(panel, completionHandler: { response in
+                log("[IntroductionSheetManager] Sheet dismissed with response: \(response)")
+            })
+            
+            self.sheetAttachedWindow = window
+            self.sheetView = panel
+        }
+    }
+    
+
+    func closeSheetWindow() {
+        
+        if let mainWindow = sheetAttachedWindow, let sheetView = sheetView {
+            
+            log("[IntroductionSheetManager] Closing sheetView window")
+            
+            mainWindow.endSheet(sheetView)
+
+            self.sheetView = nil
+            self.sheetAttachedWindow = nil
+        }
+    }
+}

QuickDrop/View/Introduction/IntroductionView.swift

@@ -63,6 +63,10 @@ struct IntroductionView: View {
                             .padding(.top)
                             .minimumScaleFactor(0.5)
                             .opacity(0.8)
+                        
+                        if currentPage == .enableShareExtension {
+                            EnableExtensionView(canShowIntialCheckmark: true)
+                        }
                     }
                     .padding(.horizontal, 40)
 
@@ -78,8 +82,7 @@ struct IntroductionView: View {
                     Divider()
 
                     HStack {
-                        if let skipAction = currentPage.skipAction,
-                            (currentPage.needRequestBeforeSkipAvailable == false || pollingPage != nil) {
+                        if let skipAction = currentPage.skipAction, pollingPage != nil {
                             
                             Button("introduction_skip") {
                                 self.skipAction = skipAction
@@ -105,22 +108,6 @@ struct IntroductionView: View {
                         }
 
                         Spacer()
-                        
-                        if let helpAction = currentPage.helpAction, pollingPage != nil {
-                            HStack(spacing: 3) {
-                                Image(systemName: "questionmark.circle")
-                                Text(helpAction.question.localized())
-                            }
-                            .opacity(0.8)
-                            .foregroundColor(.blue)
-                            .font(.system(size: 15))
-                            .onTapGesture {
-                                helpActionAlert = helpAction
-                            }
-                            .alert(item: $helpActionAlert) { helpAction in
-                                .init(title: Text(helpAction.question.localized()), message: Text(helpAction.answer.localized()), dismissButton: .cancel(Text("introduction_help_action_alert_close")))
-                            }
-                        }
 
                         continueArea
                     }
@@ -155,6 +142,7 @@ struct IntroductionView: View {
             }
         }
     }
+    
 
     @ViewBuilder
     private var continueArea: some View {
@@ -180,6 +168,7 @@ struct IntroductionView: View {
         }
         
     }
+    
 
     private func pageDidChange(to newPage: IntroductionPage) {
         stopPolling()
@@ -189,6 +178,7 @@ struct IntroductionView: View {
             pollingPage = newPage
         }
     }
+    
 
     private func continueTapped() {
         // If already allowed, advance immediately
@@ -199,41 +189,18 @@ struct IntroductionView: View {
 
         // Not allowed yet: show loading and start polling every 1s
         pollingPage = currentPage
-
-        // Page-specific "kickoff" action that should happen only after user presses continue
-        if currentPage == .enableShareExtension {
-            if let url = URL(string: "x-apple.systempreferences:com.apple.LoginItems-Settings.extension") {
-                NSWorkspace.shared.open(url)
-            }
-        }
-        
-        if currentPage == .localNetworkAccess {
-            Task {
-                do {
-                    try await Task.sleep(nanoseconds: 20_000_000_000)
-                } catch {
-                    return
-                }
-
-                await MainActor.run {
-                    guard currentPage == .localNetworkAccess else { return }
-                    guard skipAction == nil else { return }
-
-                    if let action = currentPage.skipAction {
-                        skipAction = action
-                    }
-                }
-            }
-        }
     }
     
+    
     private func triggerLocalNetworkPermission() {
         self.startReceiving()
     }
 
+    
     private func advance() {
         
-        if currentPage == .splash {
+        if currentPage == .localNetworkAccess {
+            let _ = DeviceToDeviceHeuristicScanner.shared.hasLocalNetworkAccess(completion: {_ in })
             triggerLocalNetworkPermission()
         }
         
@@ -244,6 +211,7 @@ struct IntroductionView: View {
         }
     }
 
+    
     private func stopPolling() {
         // Cancels the .task(id:) by changing the id and resets UI state
         pollingPage = nil
@@ -251,7 +219,6 @@ struct IntroductionView: View {
 }
 
 
-
 enum IntroductionPage: CaseIterable {
     case splash
     case noWifi
@@ -274,6 +241,7 @@ enum IntroductionPage: CaseIterable {
         }
     }
     
+    
     var subtitle: String {
         switch self {
         case .splash:
@@ -281,49 +249,29 @@ enum IntroductionPage: CaseIterable {
         case .noWifi:
             return "introduction_no_wifi_description"
         case .localNetworkAccess:
-            return "introduction_local_network_access_description"
+            return "introduction_local_network_access_description".localized(with: "introduction_continue".localized())
         case .enableShareExtension:
             if #available(macOS 13.0, *) {
-                return "introduction_enable_share_extension_description"
+                return "introduction_enable_share_extension_description".localized(with: "EnableQuickDropExtension".localized())
+            }
+            else {
+                return "introduction_enable_share_extension_description_legacy".localized(with: "EnableQuickDropExtension".localized())
             }
-            return "introduction_enable_share_extension_description_macos12"
         case .finished:
             return "introduction_finished_description"
         }
     }
     
+    
     var skipAction: SkipAction? {
         switch self {
-        case .splash:
-            return nil
         case .noWifi:
             return .init(action: presentNextPage, warningTitle: "introduction_no_wifi_skip_title", warningMessage: "introduction_no_wifi_skip_message")
-        case .localNetworkAccess:
-            return .init(action: presentNextPage, warningTitle: "introduction_local_network_access_skip_title", warningMessage: "introduction_local_network_access_skip_message")
-        case .enableShareExtension:
-            return .init(action: presentNextPage, warningTitle: "introduction_enable_share_extension_skip_title", warningMessage: "introduction_enable_share_extension_skip_message")
-        case .finished:
-            return nil
-        }
-    }
-    
-    var helpAction: HelpAction? {
-        switch self {
-        case .enableShareExtension:
-            return .init(question: "introduction_enable_share_extension_not_visible", answer: "introduction_enable_share_extension_not_visible_answer")
         default:
             return nil
         }
     }
     
-    var needRequestBeforeSkipAvailable: Bool {
-        switch self {
-            case .localNetworkAccess:
-                return true
-            default:
-                return false
-        }
-    }
     
     var canPerformAction: Bool {
         switch self {
@@ -334,11 +282,11 @@ enum IntroductionPage: CaseIterable {
         }
     }
     
+    
     func presentNextPage() -> IntroductionPage? {
         switch self {
         case .splash:
-            return nil
-            //NearbyConnectionManager.shared.isConnectedToLocalNetwork ? firstPermissionPane() : .noWifi
+            return NearbyConnectionManager.shared.isConnectedToLocalNetwork ? firstPermissionPane() : .noWifi
         case .noWifi:
             return firstPermissionPane()
         case .localNetworkAccess:
@@ -350,6 +298,7 @@ enum IntroductionPage: CaseIterable {
         }
     }
     
+    
     private func firstPermissionPane() -> IntroductionPage {
         if #available(macOS 15.0, *) {
             // Local network access is requested first on macOS 15+
@@ -358,19 +307,17 @@ enum IntroductionPage: CaseIterable {
         return .enableShareExtension
     }
     
+    
     func canContinue() -> Bool {
         switch self {
             case .noWifi:
                 return NearbyConnectionManager.shared.isConnectedToLocalNetwork
-            case .enableShareExtension:
-                return NSSharingService(named: NSSharingService.Name("com.leonboettger.neardrop.ShareExtension")) != nil
-            case .localNetworkAccess:
-                return DeviceToDeviceHeuristicScanner.shared.hasLocalNetworkAccess(completion: {_ in })
             default:
                 return true
         }
     }
     
+    
     func topHeader(with height: CGFloat) -> some View {
         ZStack {
             
@@ -395,6 +342,7 @@ enum IntroductionPage: CaseIterable {
         .foregroundColor(.blue)
     }
     
+    
     private func imageView(for image: String, with height: CGFloat) -> some View {
         Image(systemName: image)
             .resizable()
@@ -403,6 +351,7 @@ enum IntroductionPage: CaseIterable {
             .padding(.top, height * 0.13)
     }
     
+    
     struct SkipAction: Identifiable {
         let action: () -> IntroductionPage?
         let warningTitle: String
@@ -411,6 +360,7 @@ enum IntroductionPage: CaseIterable {
         var id: String { warningTitle }
     }
     
+    
     struct HelpAction: Identifiable {
         let question: String
         let answer: String

QuickDrop/View/NotificationSync/NotificationSyncQrSheetManager.swift

@@ -0,0 +1,89 @@
+//
+//  NotificationSyncQrSheetManager.swift
+//  QuickDrop
+//
+//  Created by Codex on 2026-03-15.
+//
+
+import AppKit
+import SwiftUI
+
+final class NotificationSyncQrSheetManager: NSObject, NSWindowDelegate {
+    static let shared = NotificationSyncQrSheetManager()
+
+    private var alert: NSAlert?
+    private weak var alertWindow: NSWindow?
+
+    func open(token: String, receiverFingerprint: String, deviceName: String) {
+        guard alert == nil else { return }
+        guard let qrImage = NotificationSyncPairingToken.makeQrImage(
+            token: token,
+            receiverFingerprint: receiverFingerprint
+        ) else { return }
+
+        let alert = NSAlert()
+        alert.messageText = "NotificationSyncQrPairingTitle".localized()
+        alert.informativeText = "NotificationSyncQrPairingDescription".localized(with: deviceName)
+        alert.addButton(withTitle: "Cancel".localized())
+        alert.alertStyle = .informational
+
+        let accessoryView = NSHostingView(rootView: NotificationSyncQrAccessoryView(qrImage: qrImage))
+        accessoryView.frame = NSRect(x: 0, y: 0, width: 180, height: 180)
+        alert.accessoryView = accessoryView
+        alert.layout()
+        alert.buttons.forEach { button in
+            button.target = self
+            button.action = #selector(handleAlertButton(_:))
+        }
+
+        self.alert = alert
+        let alertWindow = alert.window
+        alertWindow.delegate = self
+        self.alertWindow = alertWindow
+        if let screen = NSApp.mainWindow?.screen ?? NSScreen.main {
+            let frame = alertWindow.frame
+            let screenFrame = screen.visibleFrame
+            let origin = NSPoint(
+                x: screenFrame.midX - (frame.width / 2),
+                y: screenFrame.midY - (frame.height / 2)
+            )
+            alertWindow.setFrameOrigin(origin)
+        } else {
+            alertWindow.center()
+        }
+        NSApp.activate(ignoringOtherApps: true)
+        alertWindow.makeKeyAndOrderFront(nil)
+    }
+
+    func close() {
+        alertWindow?.close()
+        alert = nil
+        alertWindow = nil
+    }
+
+    func windowWillClose(_ notification: Notification) {
+        alert = nil
+        alertWindow = nil
+    }
+
+    @objc private func handleAlertButton(_ sender: NSButton) {
+        close()
+    }
+}
+
+private struct NotificationSyncQrAccessoryView: View {
+    let qrImage: Image
+
+    var body: some View {
+        ZStack {
+            RoundedRectangle(cornerRadius: 12, style: .continuous)
+                .fill(Color.white)
+            qrImage
+                .resizable()
+                .interpolation(.none)
+                .aspectRatio(1, contentMode: .fit)
+                .padding(10)
+        }
+        .frame(width: 160, height: 160)
+    }
+}

QuickDrop/View/QuickDropToastView.swift

@@ -1,219 +0,0 @@
-//
-//  IncomingFileTransmissionView.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 05.10.25.
-//
-
-import SwiftUI
-import AppKit
-
-let toastViewSize = CGSize(width: 400, height: 100)
-
-struct QuickDropToastView: View {
-    @ObservedObject var settings = Settings.shared
-    @ObservedObject var receiveModel: ReceiveModel
-    
-    @State var autoHider = DispatchWorkItem(block: {})
-
-    /// Cancel while receiving.
-    public var onCancel: () -> Void
-
-    init(
-        receiveModel: ReceiveModel,
-        onCancel: @escaping () -> Void = {}
-    ) {
-        self.receiveModel = receiveModel
-        self.onCancel = onCancel
-    }
-
-    public var body: some View {
-        
-        let isDone = receiveModel.toastActions != nil
-        
-        VStack(spacing: 12) {
-            HStack(spacing: 12) {
-                ZStack(alignment: .bottomLeading) {
-                    Image(.quickDropIcon)
-                        .resizable()
-                        .scaledToFill()
-                        .frame(width: 44, height: 44)
-                        .clipShape(Circle())
-                }
-
-                VStack(alignment: .leading, spacing: 2) {
-                    Text(String("QuickDrop"))
-                        .font(.system(size: 16, weight: .semibold))
-
-                    Text(isDone ? "FileTransferCompleted" : "Receiving")
-                        .font(.system(size: 13))
-                        .foregroundColor(.secondary)
-                        .lineLimit(1)
-                        .truncationMode(.tail)
-                }
-
-                Spacer(minLength: 12)
-            }
-
-            ZStack {
-                if let actions = receiveModel.toastActions {
-                    HStack(spacing: 8) {
-   
-                        QuickDropToastViewButton(title: "OpenInFinder") {
-                            actions.openFilesAction()
-                            actions.closeToastAction()
-                        }
-
-                        if let onImportToPhotos = actions.importPhotosAction {
-                            QuickDropToastViewButton(title: "ImportToPhotos") {
-                                onImportToPhotos()
-                                actions.closeToastAction()
-                            }
-                        }
-                        
-                        Spacer()
-                        
-                        QuickDropToastViewButton(title: "Done", action: actions.closeToastAction)
-                            .onAppear {
-                                self.autoHider = DispatchWorkItem(block: {
-                                    actions.closeToastAction()
-                                })
-                                
-                                DispatchQueue.main.asyncAfter(deadline: .now() + 10, execute: self.autoHider)
-                            }
-                            .onDisappear {
-                                self.autoHider.cancel()
-                            }
-                    }
-                    .buttonStyle(.bordered)
-                    .controlSize(.small)
-                }
-                
-                HStack {
-                    ZStack {
-                        CapsuleProgress(value: 0.5)
-                            .opacity(0)
-                        
-                        if let progress = receiveModel.progress {
-                            CapsuleProgress(value: progress)
-                        }
-                    }
-                    .animation(.easeInOut, value: receiveModel.progress == nil)
-                    
-                    Button(action: onCancel) {
-                        Image(systemName: "xmark")
-                            .font(.system(size: 10, weight: .semibold))
-                            .foregroundColor(.secondary)
-                            .frame(width: 18, height: 18)
-                    }
-                    .buttonStyle(PlainButtonStyle())
-                }
-                .opacity(isDone ? 0 : 1)
-            }
-        }
-        .padding(16)
-        .background(
-            VisualEffectView(material: .hudWindow)
-                .clipShape(RoundedRectangle(cornerRadius: 16, style: .continuous))
-        )
-        .overlay(
-            RoundedRectangle(cornerRadius: 16, style: .continuous)
-                .stroke(Color.black.opacity(0.06), lineWidth: 1)
-        )
-        .shadow(color: Color.black.opacity(0.1), radius: 20)
-        .frame(maxWidth: .infinity)
-    }
-}
-
-
-fileprivate struct QuickDropToastViewButton: View {
-    let title: String
-    let action: () -> Void
-
-    var body: some View {
-        Button(action: action) {
-            Text(title.localized())
-                .padding(.horizontal, 12)
-                .padding(.vertical, 4)
-                .background(
-                    Color.gray.opacity(0.15)
-                        .clipShape(RoundedRectangle(cornerRadius: 8, style: .continuous))
-                )
-        }
-        .buttonStyle(.plain)  // prevents blue macOS button look
-    }
-}
-
-
-// NSVisualEffectView wrapper for macOS 11 compatible blur/vibrancy
-struct VisualEffectView: NSViewRepresentable {
-    var material: NSVisualEffectView.Material = .hudWindow
-    var blendingMode: NSVisualEffectView.BlendingMode = .withinWindow
-    var state: NSVisualEffectView.State = .active
-
-    func makeNSView(context: Context) -> NSVisualEffectView {
-        let v = NSVisualEffectView()
-        v.material = material
-        v.blendingMode = blendingMode
-        v.state = state
-        v.isEmphasized = true
-        return v
-    }
-
-    func updateNSView(_ v: NSVisualEffectView, context: Context) {
-        v.material = material
-        v.blendingMode = blendingMode
-        v.state = state
-    }
-}
-
-
-// Capsule-style linear progress (0...1)
-struct CapsuleProgress: View {
-    var value: Double
-    var track = Color(NSColor.separatorColor).opacity(0.28)
-    var fill  = Color(NSColor.systemBlue)
-
-    var body: some View {
-        GeometryReader { geo in
-            let progress = max(0, min(1, value))
-            ZStack(alignment: .leading) {
-                Capsule()
-                    .fill(track)
-                Capsule()
-                    .fill(fill)
-                    .mask(
-                        Capsule()
-                            .frame(width: progress * geo.size.width)
-                            .frame(maxWidth: .infinity, alignment: .leading)
-                    )
-            }
-        }
-        .frame(height: 8)
-        .animation(.easeInOut(duration: 0.25), value: value)
-    }
-}
-
-
-// MARK: - Preview
-struct QuickDropToastView_Previews: PreviewProvider {
-    struct Demo: View {
-        @State var model = ReceiveModel(controlPlusScreen: { _ in })
-        @State var done = false
-
-        var body: some View {
-            QuickDropToastView(
-                receiveModel: model,
-                onCancel: { }
-            )
-            .frame(width: toastViewSize.width, height: toastViewSize.height)
-            .padding(100)
-            .background(Color.white.opacity(0.2))
-            .onAppear {
-                model.progress = 0.01
-            }
-        }
-    }
-
-    static var previews: some View { Demo() }
-}

QuickDrop/View/Settings/SettingsView.swift

@@ -11,7 +11,7 @@ import LUI
 
 struct SettingsView: View {
     
-    @ObservedObject var settings = Settings.shared
+    @ObservedObject var settings = Settings.sharedInstance
     @ObservedObject var connectionManager = NearbyConnectionManager.shared
     
     @State private var isChangeDeviceNameAlertPresented = false
@@ -48,9 +48,8 @@ struct SettingsView: View {
                         .foregroundColor(.gray)
                     
                     Button("Edit") {
-                        isChangeDeviceNameAlertPresented.toggle()
+                        presentRenameAlert()
                     }
-                    .changeDeviceNameAlert(isPresented: $isChangeDeviceNameAlertPresented)
                 }
                 
                 Divider()
@@ -116,8 +115,8 @@ struct SettingsView: View {
                 
                 let bookmarkData = try url.bookmarkData(options: .withSecurityScope, includingResourceValuesForKeys: nil, relativeTo: nil)
                 
-                Settings.shared.saveFolderBookmark = bookmarkData
-                Settings.shared.openFinderAfterReceiving = true
+                Settings.sharedInstance.saveFolderBookmark = bookmarkData
+                Settings.sharedInstance.openFinderAfterReceiving = true
             } catch {
                 log("Failed to save security-scoped bookmark: \(error)")
                 
@@ -149,12 +148,47 @@ struct SettingsView: View {
         window.center()
         window.isReleasedWhenClosed = false
         window.title = "TrustedDevices".localized()
+        window.backgroundColor = NSColor(Color.defaultMacBackgroundColor)
         window.contentView = NSHostingView(rootView: TrustedDevicesView())
         
         NSApp.activate(ignoringOtherApps: true)
         window.makeKeyAndOrderFront(nil)
         window.level = .normal
     }
+    
+    
+    private func presentRenameAlert() {
+        guard let window = NSApplication.shared.keyWindow else { return }
+
+        let alert = NSAlert()
+        alert.messageText = "ChangeDeviceName".localized()
+        alert.informativeText = "ChangeDeviceNameDescription".localized()
+        alert.alertStyle = .informational
+
+        let textField = NSTextField(string: NearbyConnectionManager.shared.deviceInfo.name ?? "")
+        textField.translatesAutoresizingMaskIntoConstraints = false
+        textField.frame = NSRect(x: 0, y: 0, width: 260, height: 24)
+        alert.accessoryView = textField
+
+        alert.addButton(withTitle: "Save".localized())
+        alert.addButton(withTitle: "Cancel".localized())
+
+        alert.beginSheetModal(for: window) { response in
+
+            if response == .alertFirstButtonReturn {
+                let trimmed = textField.stringValue.trimmingCharacters(in: .whitespacesAndNewlines)
+                NearbyConnectionManager.shared.setCustomDeviceName(to: trimmed)
+            }
+        }
+
+        DispatchQueue.main.async {
+            let alertWindow = alert.window
+            alertWindow.makeFirstResponder(textField)
+            if let editor = alertWindow.fieldEditor(true, for: textField) as? NSTextView {
+                editor.selectedRange = NSRange(location: 0, length: textField.stringValue.count)
+            }
+        }
+    }
 }
 
 

QuickDrop/View/Settings/TrustedDevicesView.swift

@@ -0,0 +1,104 @@
+//
+//  TrustedDevicesView.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 23.08.25.
+//
+
+import LUI
+import SwiftUI
+
+struct TrustedDevicesView: View {
+    @StateObject private var store = TrustStore.shared
+    
+    @State private var deviceToRemove: String? = nil
+    @State private var showRemoveAlert = false
+    
+    var body: some View {
+        NavigationSubView(header: isMac() ? "" : "TrustedDevices") {
+            VStack {
+                if store.trustedCertificates.isEmpty {
+                    VStack(spacing: 12) {
+                        Text("NoTrustedDevices")
+                            .font(.headline)
+                            .foregroundColor(.secondary)
+                        Text("TrustedDevicesDescription")
+                            .font(.subheadline)
+                            .foregroundColor(.secondary)
+                    }
+                    .multilineTextAlignment(.center)
+                    .padding()
+                    .frame(maxHeight: .infinity)
+                } else {
+                    CustomSection(footer: "TrustedDevicesDescription") {
+                        devicesView
+                            .padding(.vertical, 4)
+                    }
+                }
+            }
+            .padding(.top, isMac() ? 18 : 0)
+        }
+        .animation(.default, value: store.trustedCertificates)
+        .alert(isPresented: $showRemoveAlert) {
+            Alert(
+                title: Text("RemoveTrustedDeviceAlertTitle"),
+                message: Text("RemoveTrustedDeviceAlertDescription"),
+                primaryButton: .destructive(Text("Remove")) {
+                    if let key = deviceToRemove {
+                        store.removeTrusted(secretIdHex: key)
+                    }
+                },
+                secondaryButton: .cancel()
+            )
+        }
+    }
+    
+    
+    var devicesView: some View {
+        let entries = store.trustedCertificates.sorted { $0.value.creationDate < $1.value.creationDate }
+        return ForEach(entries, id: \.key) { key, cert in
+            HStack {
+                VStack(alignment: .leading, spacing: 4) {
+                    LUIText(cert.device.name ?? "Unknown".localized(), isBold: true)
+                    LUIText(Self.dateFormatter.string(from: cert.creationDate), color: .mainColor.opacity(0.7))
+                }
+                
+                Spacer()
+                
+                LUIButton {
+                    deviceToRemove = key
+                    showRemoveAlert = true
+                } label: {
+                    ReorderListIcon(imageName: "minus.circle.fill", color: .red)
+                }
+            }
+            .padding(.vertical, 8)
+        }
+    }
+    
+    private static let dateFormatter: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateStyle = .medium
+        formatter.timeStyle = .short
+        return formatter
+    }()
+}
+
+
+#Preview {
+    TrustedDevicesView()
+        .onAppear {
+            
+            var cert1 = Sharing_Nearby_PublicCertificate()
+            cert1.secretID = Data([0x01, 0x02, 0x03, 0x04])
+            
+            TrustStore.shared.addTrusted(certificate: cert1, device: RemoteDeviceInfo(name: "MacBook Pro", type: .computer))
+            
+            
+            var cert2 = Sharing_Nearby_PublicCertificate()
+            cert2.secretID = Data([0x0A, 0x0B, 0x0C, 0x0D])
+            
+            TrustStore.shared.addTrusted(certificate: cert2, device: RemoteDeviceInfo(name: "iPhone", type: .phone))
+            
+        }
+}

QuickDrop/View/Toast/QuickDropToastView.swift

@@ -0,0 +1,606 @@
+//
+//  IncomingFileTransmissionView.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 05.10.25.
+//
+
+import AppKit
+import LUI
+import SwiftUI
+
+let toastViewSize = CGSize(width: 340, height: 65)
+let toastCornerRadius: CGFloat = 22
+let toastTrailingPadding: CGFloat = 20
+let toastSlideDistance: CGFloat = 420
+
+struct QuickDropToastView: View {
+    @ObservedObject var settings = Settings.sharedInstance
+    @ObservedObject var receiveModel: ReceiveModel
+    
+    @Environment(\.colorScheme) var colorScheme
+    
+    @State var autoHider = DispatchWorkItem(block: {})
+    @State private var isHovering = false
+
+    /// Cancel while receiving.
+    public var onCancel: () -> Void
+
+    init(
+        receiveModel: ReceiveModel,
+        onCancel: @escaping () -> Void = {}
+    ) {
+        self.receiveModel = receiveModel
+        self.onCancel = onCancel
+    }
+
+    private func startAutoHide(_ actions: ReceiveModel.ToastViewAction) {
+        autoHider.cancel()
+        autoHider = DispatchWorkItem(block: {
+            actions.autoHideAction()
+        })
+
+        DispatchQueue.main.asyncAfter(deadline: .now() + actions.autoHideDelay, execute: autoHider)
+    }
+
+    private func startAutoHideIfPossible() {
+        guard !isHovering, let actions = receiveModel.toastActions else { return }
+        startAutoHide(actions)
+    }
+
+    public var body: some View {
+        
+        let consent = receiveModel.consentState
+        let actions = receiveModel.toastActions
+        let hasActionButtons = actions?.openFilesAction != nil || actions?.importPhotosAction != nil
+        let deviceName = receiveModel.activeDeviceName ?? "AndroidDevice".localized()
+        let isNotificationSyncToast = consent?.notificationSyncStage != nil
+        let isNotificationSyncConsent = consent?.notificationSyncStage == .consent
+        let isNotificationSyncPinStage = consent?.notificationSyncStage == .pin
+        let showConsentActions = consent != nil && (!isNotificationSyncToast || isNotificationSyncConsent)
+        let showsRightColumn = showConsentActions || hasActionButtons
+        
+        let subHeaderSize = 21.0
+
+        let closeButtonVisible = isHovering && (actions != nil || isNotificationSyncPinStage)
+        
+        ZStack(alignment: .topTrailing) {
+            HStack(alignment: .center, spacing: 12) {
+                VStack(alignment: .leading, spacing: 10) {
+                    HStack(spacing: 10) {
+
+                        let iconSize = 32.0
+                        
+                        let headerFont = Font.system(.body).bold()
+                        let subheaderFont = Font.system(.body)
+                        let subheaderColor = Color.secondary
+
+                        AppIconView(hasPlusIcon: false, size: iconSize, supportsDarkModeShadow: false)
+                            .frame(width: iconSize, height: iconSize)
+
+                        VStack(alignment: .leading, spacing: 1) {
+                            if let consent = consent {
+                                if isNotificationSyncToast {
+                                    HStack {
+                                        Text(String("QuickDrop"))
+                                            .font(headerFont)
+                                            .lineLimit(1)
+                                        
+                                        Text("FromDevice".localized(with: deviceName))
+                                            .font(subheaderFont)
+                                            .foregroundColor(subheaderColor)
+                                            .lineLimit(1)
+                                            .truncationMode(.tail)
+                                    }
+                                    
+                                    Text(consent.message)
+                                        .font(subheaderFont)
+                                        .foregroundColor(subheaderColor)
+                                        .lineLimit(2)
+                                        .truncationMode(.tail)
+                                } else {
+                                    Text(verbatim: "QuickDrop | \(consent.pinCodeMessage)")
+                                        .font(headerFont)
+                                        .lineLimit(1)
+                                    
+                                    Text(consent.message)
+                                        .font(subheaderFont)
+                                        .foregroundColor(subheaderColor)
+                                        .lineLimit(2)
+                                        .truncationMode(.tail)
+                                }
+                            } else {
+                                HStack {
+                                    Text(String("QuickDrop"))
+                                        .font(headerFont)
+                                        .lineLimit(1)
+                                    
+                                    if consent == nil, actions == nil {
+                                        Text("FromDevice".localized(with: deviceName))
+                                            .font(subheaderFont)
+                                            .foregroundColor(subheaderColor)
+                                            .lineLimit(1)
+                                            .truncationMode(.tail)
+                                    }
+                                }
+                                
+                                if consent == nil, actions == nil {
+                                    HStack {
+                                        ZStack {
+                                            CapsuleProgress(value: 0.5)
+                                                .opacity(0)
+
+                                            if let progress = receiveModel.progress {
+                                                CapsuleProgress(value: progress)
+                                            }
+                                        }
+                                        .animation(.easeInOut, value: receiveModel.progress == nil)
+
+                                        Button(action: onCancel) {
+                                            Image(systemName: "xmark")
+                                                .font(.system(size: 10, weight: .semibold))
+                                                .foregroundColor(.secondary)
+                                                .frame(width: 18, height: 18)
+                                        }
+                                        .buttonStyle(PlainButtonStyle())
+                                    }
+                                    .padding(.trailing, 16)
+                                    .frame(height: subHeaderSize)
+                                }
+                                else {
+                                    
+                                    Text(LocalizedStringKey(actions?.completionMessageKey ?? "FileTransferCompleted"))
+                                        .font(.system(size: 13))
+                                        .foregroundColor(.secondary)
+                                        .lineLimit(1)
+                                        .truncationMode(.tail)
+                                        .frame(height: subHeaderSize)
+                                }
+                            }
+                        }
+                    }
+                }
+                .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .leading)
+
+                if showsRightColumn {
+                    ActionColumn() {
+                        if showConsentActions, let consent = consent {
+                            ActionButtonRow {
+                                QuickDropToastViewButton(title: "Decline") {
+                                    consent.declineAction()
+                                }
+                            }
+
+                            ActionButtonRow {
+                                if consent.allowsTrust {
+                                    QuickDropToastViewMenuButton(title: "Accept") {
+                                        Button("AcceptOnce".localized()) {
+                                            consent.acceptAction(false)
+                                        }
+                                        Button("AutoAcceptFromThisDevice".localized()) {
+                                            consent.acceptAction(true)
+                                        }
+                                    }
+                                } else {
+                                    QuickDropToastViewButton(title: "Accept") {
+                                        consent.acceptAction(false)
+                                    }
+                                }
+                            }
+                        } else if let actions = actions {
+                            if let openFilesAction = actions.openFilesAction {
+                                ActionButtonRow {
+                                    QuickDropToastViewButton(title: "OpenInFinder") {
+                                        openFilesAction()
+                                        actions.closeToastAction()
+                                    }
+                                }
+                            }
+
+                            if let onImportToPhotos = actions.importPhotosAction {
+
+                                ActionButtonRow {
+                                    QuickDropToastViewButton(title: "ImportToPhotos") {
+                                        onImportToPhotos()
+                                        actions.closeToastAction()
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        .padding(.leading, 16)
+        .frame(width: toastViewSize.width, height: toastViewSize.height)
+        .contentShape(Rectangle())
+        .onHover { hovering in
+            withAnimation(.easeInOut(duration: 0.15)) {
+                isHovering = hovering
+            }
+
+            if hovering {
+                autoHider.cancel()
+            } else {
+                startAutoHideIfPossible()
+            }
+        }
+        .onChange(of: receiveModel.toastActions != nil) { hasActions in
+            if hasActions {
+                startAutoHideIfPossible()
+            } else {
+                autoHider.cancel()
+            }
+        }
+        .onAppear {
+            startAutoHideIfPossible()
+        }
+        .background(
+            AdaptiveToastBackgroundLayer(cornerRadius: toastCornerRadius)
+        )
+        .overlay(
+            RoundedRectangle(cornerRadius: toastCornerRadius, style: .continuous)
+                .stroke((colorScheme.isLight ? Color.white.opacity(0.5) : Color.gray.opacity(0.33)), lineWidth: 1)
+        )
+        .overlay(alignment: .topLeading) {
+            if closeButtonVisible {
+                Button(action: {
+                    if let actions = actions {
+                        actions.closeToastAction()
+                    } else if isNotificationSyncPinStage {
+                        receiveModel.hideQuickDropToast(style: .fade)
+                    }
+                }) {
+                    Image(systemName: "xmark")
+                        .font(.system(size: 9, weight: .semibold))
+                        .foregroundColor(.secondary)
+                        .frame(width: 18, height: 18)
+                        .background(
+                            Circle()
+                                .fill(Color(NSColor.windowBackgroundColor).opacity(0.9))
+                                .shadow(color: Color.black.opacity(0.12), radius: 2, x: 0, y: 1)
+                        )
+                }
+                .buttonStyle(PlainButtonStyle())
+                .padding(.bottom, 5)
+                .padding(.trailing, 3)
+                .onHover { hovering in
+                    if hovering {
+                        withAnimation(.easeInOut(duration: 0.15)) {
+                            isHovering = true
+                        }
+                    }
+                }
+                .transition(.opacity.combined(with: .scale(scale: 0.95)))
+            }
+        }
+        .shadow(color: Color.black.opacity(colorScheme.isLight ? 0.16 : 0.30), radius: 10, x: 0, y: 5)
+        .shadow(color: Color.black.opacity(colorScheme.isLight ? 0.06 : 0.14), radius: 2, x: 0, y: 1)
+        .frame(maxWidth: .infinity)
+    }
+}
+
+
+struct QuickDropToastHostView: View {
+    @ObservedObject var receiveModel: ReceiveModel
+    let onCancel: () -> Void
+
+    @State private var didRenderOnce = false
+
+    private let slideAnimation = Animation.smooth
+    private let fadeAnimation = Animation.easeInOut
+
+    var body: some View {
+        let isVisible = didRenderOnce && receiveModel.toastIsVisible
+        let isSlide = receiveModel.toastDismissStyle == .slide
+        let hiddenOffset: CGFloat = isSlide ? toastSlideDistance : 0
+        let hiddenOpacity: Double = isSlide ? 1 : 0
+        let hiddenBlur: CGFloat = isSlide ? 0 : 8
+        let animation = isSlide ? slideAnimation : fadeAnimation
+
+        QuickDropToastView(receiveModel: receiveModel, onCancel: onCancel)
+            .frame(width: toastViewSize.width, height: toastViewSize.height)
+            .offset(x: isVisible ? 0 : hiddenOffset)
+            .opacity(isVisible ? 1 : hiddenOpacity)
+            .blur(radius: isVisible ? 0 : hiddenBlur)
+            .animation(animation, value: isVisible)
+            .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .trailing)
+            .padding(.trailing, toastTrailingPadding)
+            .onAppear {
+                // Defer the visibility gate one run-loop tick so initial state is
+                // always rendered hidden before we animate to visible.
+                guard !didRenderOnce else { return }
+                DispatchQueue.main.async {
+                    didRenderOnce = true
+                }
+            }
+            .onDisappear {
+                didRenderOnce = false
+            }
+    }
+}
+
+
+fileprivate struct QuickDropToastViewButton: View {
+    let title: String
+    let action: () -> Void
+
+    var body: some View {
+        Button(action: action) {
+            ToastButtonLabel(title: title, fillsWidth: false, showsBackground: true)
+        }
+        .buttonStyle(.plain)  // prevents blue macOS button look
+    }
+}
+
+
+fileprivate struct QuickDropToastViewMenuButton<Content: View>: View {
+    let title: String
+    @ViewBuilder let content: () -> Content
+
+    var body: some View {
+        ZStack {
+            ToastButtonLabel(title: title, fillsWidth: false, showsBackground: true)
+                .allowsHitTesting(false)
+
+            Menu {
+                content()
+            } label: {
+                ToastButtonLabel(title: title, fillsWidth: false, showsBackground: false)
+            }
+            .menuStyle(BorderlessButtonMenuStyle(showsMenuIndicator: false))
+        }
+        .fixedSize()
+    }
+}
+
+
+fileprivate struct ToastButtonLabel: View {
+    let title: String
+    let fillsWidth: Bool
+    let showsBackground: Bool
+
+    var body: some View {
+        Text(title.localized())
+            .font(.system(size: 11.5, weight: .medium))
+            .foregroundColor(.mainColor.opacity(showsBackground ? 0.75 : 0))
+            .lineLimit(1)
+            .padding(.horizontal, 7)
+            .padding(.vertical, 3.5)
+            .background(Color.gray.opacity(showsBackground ? 0.1 : 0).cornerRadius(10))
+            .padding(.horizontal, 7)
+            .padding(.vertical, 3)
+            .contentShape(Rectangle())
+    }
+}
+
+
+fileprivate struct ActionColumn<Content: View>: View {
+    @ViewBuilder let content: () -> Content
+
+    var body: some View {
+        VStack(alignment: .trailing, spacing: 0) {
+            content()
+        }
+        .padding(.vertical, 3)
+        .padding(.trailing, 4)
+        .frame(maxHeight: .infinity)
+    }
+}
+
+
+fileprivate struct ActionButtonRow<Content: View>: View {
+    @ViewBuilder let content: () -> Content
+
+    var body: some View {
+        content()
+    }
+}
+
+
+fileprivate struct ActionDividerLine: View {
+    var body: some View {
+        Rectangle()
+            .foregroundColor(.mainColor.opacity(0.05))
+            .frame(height: 2)
+            .frame(maxWidth: .infinity)
+    }
+}
+
+
+struct AdaptiveToastBackgroundLayer: View {
+    let cornerRadius: CGFloat
+
+    var body: some View {
+        Group {
+            if #available(macOS 26.0, *) {
+                Color.clear
+                    .glassEffect(.regular, in: .rect(cornerRadius: cornerRadius, style: .continuous))
+            } else {
+                VisualEffectView(material: .hudWindow, blendingMode: .behindWindow, cornerRadius: cornerRadius)
+            }
+        }
+    }
+}
+
+
+// NSVisualEffectView wrapper for macOS 11 compatible blur/vibrancy
+struct VisualEffectView: NSViewRepresentable {
+    var material: NSVisualEffectView.Material = .hudWindow
+    var blendingMode: NSVisualEffectView.BlendingMode = .withinWindow
+    var state: NSVisualEffectView.State = .active
+    var cornerRadius: CGFloat = 0
+
+    func makeNSView(context: Context) -> NSVisualEffectView {
+        let v = NSVisualEffectView()
+        v.material = material
+        v.blendingMode = blendingMode
+        v.state = state
+        v.isEmphasized = true
+        if cornerRadius > 0 {
+            v.wantsLayer = true
+            v.layer?.cornerRadius = cornerRadius
+            v.layer?.masksToBounds = true
+        }
+        return v
+    }
+
+    func updateNSView(_ v: NSVisualEffectView, context: Context) {
+        v.material = material
+        v.blendingMode = blendingMode
+        v.state = state
+        if cornerRadius > 0 {
+            v.wantsLayer = true
+            v.layer?.cornerRadius = cornerRadius
+            v.layer?.masksToBounds = true
+        } else {
+            v.layer?.cornerRadius = 0
+            v.layer?.masksToBounds = false
+        }
+    }
+}
+
+
+// Capsule-style linear progress (0...1)
+struct CapsuleProgress: View {
+    var value: Double
+    var track = Color(NSColor.systemBlue).opacity(0.28)
+    var fill  = Color(NSColor.systemBlue)
+
+    var body: some View {
+        GeometryReader { geo in
+            let progress = max(0, min(1, value))
+            ZStack(alignment: .leading) {
+                Capsule()
+                    .fill(track)
+                Capsule()
+                    .fill(fill)
+                    .mask(
+                        Capsule()
+                            .frame(width: progress * geo.size.width)
+                            .frame(maxWidth: .infinity, alignment: .leading)
+                    )
+            }
+        }
+        .frame(height: 6)
+        .animation(.easeInOut(duration: 0.25), value: value)
+    }
+}
+
+
+// MARK: - Preview
+struct QuickDropToastView_Previews: PreviewProvider {
+    struct ConsentDemo: View {
+        @State var model = ReceiveModel(controlPlusScreen: { _ in })
+
+        var body: some View {
+            QuickDropToastView(
+                receiveModel: model,
+                onCancel: { }
+            )
+            .frame(width: toastViewSize.width, height: toastViewSize.height)
+            .clipped()
+            .padding(100)
+            .background(QuickDropToastView_Previews.previewWallpaper)
+            .onAppear {
+                model.consentState = .init(
+                    transferID: "preview",
+                    pinCodeMessage: "PIN: 1233",
+                    message: "45 images from Pixel 6 Pro von Leon",
+                    notificationSyncStage: nil,
+                    allowsTrust: true,
+                    acceptAction: { _ in },
+                    declineAction: { }
+                )
+            }
+        }
+    }
+    
+    
+    struct ConsentDemo2: View {
+        @State var model = ReceiveModel(controlPlusScreen: { _ in })
+
+        var body: some View {
+            QuickDropToastView(
+                receiveModel: model,
+                onCancel: { }
+            )
+            .frame(width: toastViewSize.width, height: toastViewSize.height)
+            .clipped()
+            .padding(100)
+            .background(QuickDropToastView_Previews.previewWallpaper)
+            .onAppear {
+                model.consentState = .init(
+                    transferID: "preview",
+                    pinCodeMessage: "PIN: 1233",
+                    message: "45 images from Pixel 6 Pro",
+                    notificationSyncStage: nil,
+                    allowsTrust: false,
+                    acceptAction: { _ in },
+                    declineAction: { }
+                )
+            }
+        }
+    }
+    
+
+    struct ProgressDemo: View {
+        @State var model = ReceiveModel(controlPlusScreen: { _ in })
+
+        var body: some View {
+            QuickDropToastView(
+                receiveModel: model,
+                onCancel: { }
+            )
+            .frame(width: toastViewSize.width, height: toastViewSize.height)
+            .clipped()
+            .padding(100)
+            .background(QuickDropToastView_Previews.previewWallpaper)
+            .onAppear {
+                model.progress = 0.42
+                model.toastActions = nil
+            }
+        }
+    }
+    
+
+    struct CompletedDemo: View {
+        @State var model = ReceiveModel(controlPlusScreen: { _ in })
+
+        var body: some View {
+            QuickDropToastView(
+                receiveModel: model,
+                onCancel: { }
+            )
+            .frame(width: toastViewSize.width, height: toastViewSize.height)
+            .clipped()
+            .padding(100)
+            .background(previewWallpaper)
+            .onAppear {
+                model.progress = 1
+                model.toastActions = .init(completionMessageKey: "Saved", autoHideDelay: 10, openFilesAction: {}, importPhotosAction: {}, closeToastAction: {}, autoHideAction: {})
+            }
+        }
+    }
+    
+
+    private static let previewWallpaper = LinearGradient(
+        gradient: Gradient(colors: [
+            Color(red: 0.92, green: 0.82, blue: 0.94),
+            Color(red: 0.86, green: 0.76, blue: 0.90),
+            Color(red: 0.78, green: 0.70, blue: 0.86)
+        ]),
+        startPoint: .topLeading,
+        endPoint: .bottomTrailing
+    )
+    
+
+    static var previews: some View {
+        Group {
+            ConsentDemo()
+            ConsentDemo2()
+            ProgressDemo()
+            CompletedDemo()
+        }
+    }
+}

QuickDrop/View/TrustedDevicesView.swift

@@ -1,125 +0,0 @@
-//
-//  TrustedDevicesView.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 23.08.25.
-//
-
-import SwiftUI
-#if !os(macOS)
-import LUI
-#endif
-
-struct TrustedDevicesView: View {
-    @StateObject private var store = TrustStore.shared
-    
-    @State private var deviceToRemove: String? = nil
-    @State private var showRemoveAlert = false
-    
-    var body: some View {
-        VStack {
-            if store.trustedCertificates.isEmpty {
-                VStack(spacing: 12) {
-                    Text("NoTrustedDevices")
-                        .font(.headline)
-                        .foregroundColor(.secondary)
-                    Text("TrustedDevicesDescription")
-                        .font(.subheadline)
-                        .foregroundColor(.secondary)
-                }
-                .multilineTextAlignment(.center)
-                .padding()
-                .frame(maxHeight: .infinity)
-            } else {
-                
-                #if !os(macOS)
-                CustomSection(footer: "TrustedDevicesDescription") {
-                    devicesView
-                        .padding(.vertical, 4)
-                }
-                #else
-                List {
-                    devicesView
-                    
-                    Text("TrustedDevicesDescription")
-                        .font(.footnote)
-                        .fixedSize(horizontal: false, vertical: true)
-                        .foregroundColor(.secondary)
-                        .padding(.top, 4)
-                }
-                #endif
-            }
-        }
-        .animation(.default, value: store.trustedCertificates)
-        .alert(isPresented: $showRemoveAlert) {
-            Alert(
-                title: Text("RemoveTrustedDeviceAlertTitle"),
-                message: Text("RemoveTrustedDeviceAlertDescription"),
-                primaryButton: .destructive(Text("Remove")) {
-                    if let key = deviceToRemove {
-                        store.removeTrusted(secretIdHex: key)
-                    }
-                },
-                secondaryButton: .cancel()
-            )
-        }
-    }
-    
-    
-    var devicesView: some View {
-        ForEach(Array(store.trustedCertificates.keys), id: \.self) { key in
-            if let cert = store.trustedCertificates[key] {
-                HStack {
-                    VStack(alignment: .leading, spacing: 4) {
-                        Text(cert.device.name ?? "Unknown".localized())
-                            .font(.headline)
-                        
-                        // macOS 11: use DateFormatter instead of .formatted
-                        Text(Self.dateFormatter.string(from: cert.creationDate))
-                            .font(.subheadline)
-                            .foregroundColor(.secondary)
-                    }
-                    Spacer()
-                    Button(action: {
-                        deviceToRemove = key
-                        showRemoveAlert = true
-                    }) {
-                        Image(systemName: "minus.circle.fill")
-                            .font(.system(size: 20))
-                            .foregroundColor(.red)
-                    }
-                    .buttonStyle(BorderlessButtonStyle())
-                }
-                .padding(.vertical, 8)
-            }
-        }
-    }
-    
-    
-    // MARK: - DateFormatter for macOS 11
-    private static let dateFormatter: DateFormatter = {
-        let formatter = DateFormatter()
-        formatter.dateStyle = .medium
-        formatter.timeStyle = .short
-        return formatter
-    }()
-}
-
-
-#Preview {
-        TrustedDevicesView()
-        .onAppear {
-            
-            var cert1 = Sharing_Nearby_PublicCertificate()
-            cert1.secretID = Data([0x01, 0x02, 0x03, 0x04])
-            
-            TrustStore.shared.addTrusted(certificate: cert1, device: RemoteDeviceInfo(name: "MacBook Pro", type: .computer))
-            
-            
-            var cert2 = Sharing_Nearby_PublicCertificate()
-            cert2.secretID = Data([0x0A, 0x0B, 0x0C, 0x0D])
-            
-            TrustStore.shared.addTrusted(certificate: cert2, device: RemoteDeviceInfo(name: "iPhone", type: .phone))
-    
-        }
-}

QuickDrop/View/UserManual/LicenseWindow.swift

@@ -7,7 +7,6 @@
 
 import SwiftUI
 
-
 struct LicensePage: View {
     var body: some View {
         ZStack {

QuickDrop/View/UserManual/TutorialView.swift

@@ -15,18 +15,32 @@ struct TutorialView: View {
     let openPlus: () -> Void
     
     @State private var licenseWindow: NSWindow?
-    @ObservedObject var settings = Settings.shared
+    @ObservedObject var iapManager = IAPManager.sharedInstance
     
     var body: some View {
         
         LargeAppIconView(title: tab.title) {
             VStack {
-                
-                Text(tab.text.localized())
-                    .multilineTextAlignment(.leading)
-                    .fixedSize(horizontal: false, vertical: true)
-                    .padding()
-                    .frame(width: 550)
+                Group {
+                    if tab == .troubleshooting {
+                        FAQView(faqItems: [
+                            .init(question: "FaqNotVisibleOrConnectingQuestion", answer: "FaqNotVisibleOrConnectingAnswer"),
+                            .init(question: "FaqPhotoDateNotPreservedQuestion", answer: "FaqPhotoDateNotPreservedAnswer"),
+                            .init(question: "FaqAndroidDeviceNotVisibleQuestion", answer: "FaqAndroidDeviceNotVisibleAnswer"),
+                            .init(question: "FaqTrustedDevicesQuestion", answer: "FaqTrustedDevicesAnswer"),
+                            .init(question: "MultipleFilesSendingQuestion", answer: "MultipleFilesSendingAnswer"),
+                            .init(question: "FaqBugQuestion", answer: "FaqBugAnswer"),
+                        ])
+                        .padding(.top)
+                    }
+                    else {
+                        Text(tab.text.localized())
+                            .multilineTextAlignment(.leading)
+                            .fixedSize(horizontal: false, vertical: true)
+                            .padding()
+                    }
+                }
+                .frame(width: 550)
                 
                 if tab == .receive {
                     HStack(spacing: 30) {
@@ -40,8 +54,9 @@ struct TutorialView: View {
                                 .opacity(0.5)
                         }
                         .buttonStyle(.plain)
-                        
-                        if !settings.gotPlus {
+                       
+                        #if !GITHUB
+                        if !iapManager.plusVersionState {
                             Button {
                                 openPlus()
                             } label: {
@@ -52,10 +67,12 @@ struct TutorialView: View {
                             }
                             .buttonStyle(.plain)
                         }
+                        #endif
                         
-#if DEBUG
+                        #if DEBUG
                         Button {
-                            Settings.shared.deleteAllUserDefaults()
+                            IAPManager.sharedInstance.plusVersionState = false
+                            Settings.sharedInstance.deleteAllUserDefaults()
                         } label: {
                             Text("ResetAllSettings")
                                 .underline()
@@ -63,7 +80,7 @@ struct TutorialView: View {
                                 .opacity(0.5)
                         }
                         .buttonStyle(.plain)
-#endif
+                        #endif
                     }
                     .padding()
                 }
@@ -86,8 +103,15 @@ struct EnableExtensionView: View {
 
     private let timer = Timer.publish(every: 1.0, on: .main, in: .common).autoconnect()
 
-    init() {
-        _isExtensionEnabled = State(initialValue: Self.isEnabled())
+    init(canShowIntialCheckmark: Bool = false) {
+        let isEnabled = Self.isEnabled()
+        
+        _isExtensionEnabled = State(initialValue: isEnabled)
+        
+        if canShowIntialCheckmark && isEnabled {
+            _showSuccessCheckmark = State(initialValue: true)
+            _animateCheckmark = State(initialValue: true)
+        }
     }
 
     var body: some View {
@@ -163,31 +187,6 @@ private struct SharingPickerPresenter: NSViewRepresentable {
 }
 
 
-struct LargeAppIconView<Content: View>: View {
-    
-    let title: String
-    let bottomView: () -> Content
-    
-    var body: some View {
-        ScrollView {
-            
-            VStack {
-                AppIconView(hasPlusIcon: false, size: 120)
-                    .padding(.top, 35)
-                
-                Text(title.localized())
-                    .font(.largeTitle)
-                    .padding()
-                
-                bottomView()
-            }
-            .frame(maxWidth: 500)
-            .frame(maxWidth: .infinity)
-        }
-    }
-}
-
-
 #Preview {
     WelcomeScreen(openPlusScreen: {}, openAppAdvertisementView: {}, openCableTransmissionView: {}, checkForNetworkIssues: {})
 }

QuickDrop/View/UserManual/WelcomeScreen.swift

@@ -44,7 +44,7 @@ struct WelcomeScreen: View {
                 Divider()
                 
                 ExternalLinkLabel(label: "GetSupport", icon: "questionmark.circle") {
-                    sendLoggingString()
+                    SupportMail.sendSupportMail()
                 }
                 
                 ExternalLinkLabel(label: "PrivacyPolicy", icon: "hand.raised") {
@@ -70,7 +70,6 @@ struct WelcomeScreen: View {
             .listStyle(SidebarListStyle())
             
             Divider()
-                .opacity(colorScheme == .light ? 1 : 0.5)
                 .edgesIgnoringSafeArea(.vertical)
             
             ZStack {
@@ -188,7 +187,7 @@ enum Tab: CaseIterable {
         case .send:
             return "SendFiles".localized()
         case .troubleshooting:
-            return "DeviceNotShown".localized()
+            return "TroubleshootingAndFaq".localized()
         case .settings:
             return "Settings".localized()
         }
@@ -196,8 +195,6 @@ enum Tab: CaseIterable {
     
     var title: String {
         switch self {
-        case .troubleshooting:
-            return "Troubleshooting"
         default:
             return sidebarTitle
         }
@@ -209,9 +206,7 @@ enum Tab: CaseIterable {
             "UserManualDescription"
         case .send:
             "SendFilesDescription"
-        case .troubleshooting:
-            "TroubleshootingDescription"
-        case .settings:
+        default:
             ""
         }
     }

QuickDrop/ViewModel/ReceiveModel.swift

@@ -7,11 +7,9 @@
 
 import SwiftUI
 import StoreKit
-import UserNotifications
 import LUI
-
 #if os(macOS)
-import BezelNotification
+import AppKit
 #endif
 
 class ReceiveModel: ObservableObject, InboundAppDelegate {
@@ -19,14 +17,21 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
     /// For each connection ID, store the last reported progress value
     private var processes: [String: Double] = [:]
     
-    #if os(macOS)
+#if os(macOS)
     @Published var progress: Double? = nil
     @Published var toastActions: ToastViewAction? = nil
+    @Published var consentState: ConsentToastState? = nil
+    @Published var activeDeviceName: String? = nil
+    @Published var toastIsVisible: Bool = false
+    @Published var toastDismissStyle: ToastDismissStyle = .slide
     private var pendingReview = false
+    private var toastWindowPending = false
     private var toastWindow: NSWindow?
-    private var toastHosting: NSHostingView<QuickDropToastView>?
+    private var toastHosting: NSHostingView<QuickDropToastHostView>?
+    private var toastRevealTask: DispatchWorkItem?
+    private var toastCleanupTask: DispatchWorkItem?
     private let monitor = AllowedWorkMonitor()
-    #endif
+#endif
     
     let controlPlusScreen: (Bool) -> Void
     
@@ -67,49 +72,101 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
         AudioManager.playIncomingFileSound()
         #endif
 
-        let mainMessage = transfer.getDescription(deviceName: device.name ?? "UnknownDevice".localized(), alreadyAccepted: false)
+        let mainMessage = transfer.getDescription(deviceName: device.name ?? "AndroidDevice".localized())
         let pinCodeMessage = transfer.getPinCodeMessage()
         let transferID = transfer.id
+    
+        let primaryButtonAction = { (trustDevice: Bool) in
+            NearbyConnectionManager.shared.submitUserConsent(transferID: transferID, accept: true, trustDevice: trustDevice)
+        }
+
+        let secondaryButtonAction = { NearbyConnectionManager.shared.submitUserConsent(transferID: transferID, accept: false, trustDevice: false) }
+
+        #if os(macOS)
+        DispatchQueue.main.async {
+            if transfer.type == .notificationSync {
+                self.hideQuickDropToast()
+                self.toastActions = nil
+                self.progress = nil
+                self.consentState = nil
+                let senderName = device.name?.trimmingCharacters(in: .whitespacesAndNewlines)
+                let resolvedSenderName = (senderName?.isEmpty == false) ? senderName! : "AndroidDevice".localized()
+                self.activeDeviceName = resolvedSenderName
+
+                let compareMessage = "NotificationSyncToastQrSubtitle".localized()
+                self.consentState = ConsentToastState(
+                    transferID: transferID,
+                    pinCodeMessage: "",
+                    message: compareMessage,
+                    notificationSyncStage: .consent,
+                    allowsTrust: false,
+                    acceptAction: { [weak self] _ in
+                        guard let self else { return }
+                        withAnimation {
+                            self.consentState = nil
+                        }
+                        guard let receiverFingerprint = NotificationSyncPairingToken.receiverFingerprintHex() else {
+                            log("[ReceiveModel] Missing local receiver fingerprint; cannot start notification sync pairing.")
+                            secondaryButtonAction()
+                            self.hideQuickDropToast(style: .fade)
+                            return
+                        }
+                        let pairingToken = NotificationSyncPairingToken.generate()
+                        NotificationSyncQrSheetManager.shared.open(
+                            token: pairingToken,
+                            receiverFingerprint: receiverFingerprint,
+                            deviceName: resolvedSenderName
+                        )
+                        NearbyConnectionManager.shared.submitUserConsent(
+                            transferID: transferID,
+                            accept: true,
+                            trustDevice: false,
+                            pairingToken: pairingToken
+                        )
+                        self.hideQuickDropToast(style: .fade)
+                    },
+                    declineAction: { [weak self] in
+                        guard let self else { return }
+                        self.consentState = nil
+                        secondaryButtonAction()
+                        self.hideQuickDropToast(style: .fade)
+                    }
+                )
+                self.showQuickDropToast(for: transferID)
+                return
+            }
+
+            self.toastActions = nil
+            self.progress = nil
+            self.activeDeviceName = device.name ?? "AndroidDevice".localized()
+            self.consentState = ConsentToastState(
+                transferID: transferID,
+                pinCodeMessage: pinCodeMessage,
+                message: mainMessage,
+                notificationSyncStage: nil,
+                allowsTrust: transfer.allowsToBeAddedAsTrustedDevice,
+                acceptAction: { [weak self] trustDevice in
+                    DispatchQueue.main.async {
+                        withAnimation {
+                            self?.consentState = nil
+                        }
+                    }
+                    primaryButtonAction(trustDevice)
+                },
+                declineAction: { [weak self] in
+                    self?.consentState = nil
+                    secondaryButtonAction()
+                    self?.hideQuickDropToast()
+                }
+            )
+            self.showQuickDropToast(for: transferID)
+        }
+        #else
         
         let title = "QuickDrop - \(pinCodeMessage)"
         let primaryButtonTitle = "Accept".localized()
-        let primaryButtonAction = { (trustDevice: Bool) in
-            NearbyConnectionManager.shared.submitUserConsent(transferID: transferID, accept: true, trustDevice: trustDevice)
-            
-            #if os(macOS)
-            if transfer.type == .text {
-                DispatchQueue.main.async {
-                    BezelNotification.show(messageText: "InsertedIntoClipboard".localized(), icon: .clipboard)
-                }
-            }
-            #endif
-        }
-        
         let secondaryButtonTitle = "Decline".localized()
-        let secondaryButtonAction = { NearbyConnectionManager.shared.submitUserConsent(transferID: transferID, accept: false, trustDevice: false) }
         
-        #if os(macOS)
-        let alert = NSAlert()
-        alert.alertStyle = .informational
-
-        alert.messageText = title
-        alert.informativeText = mainMessage
-        alert.addButton(withTitle: primaryButtonTitle)
-        alert.addButton(withTitle: secondaryButtonTitle)
-        
-        if transfer.allowsToBeAddedAsTrustedDevice {
-            alert.showsSuppressionButton = true
-            alert.suppressionButton?.title = "AutoAcceptFromThisDevice".localized()
-        }
-
-        let result = alert.runModal()
-
-        if result == .alertFirstButtonReturn {
-            primaryButtonAction(alert.suppressionButton?.state == .on)
-        } else if result == .alertSecondButtonReturn {
-            secondaryButtonAction()
-        }
-        #else
         // iOS
         let alwaysAcceptLabel = transfer.allowsToBeAddedAsTrustedDevice ? "AlwaysAccept".localized() : nil
         ProgressAlert.shared.askForUserPermission(title: title, message: mainMessage, acceptLabel: primaryButtonTitle, acceptAlwaysLabel: alwaysAcceptLabel, rejectLabel: secondaryButtonTitle) { accepted in
@@ -129,33 +186,18 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
     
     func obtainedUserConsentAutomatically(transfer: TransferMetadata, device: RemoteDeviceInfo) {
         
-        let mainMessage = transfer.getDescription(deviceName: device.name ?? "UnknownDevice".localized(), alreadyAccepted: true)
+        let mainMessage = transfer.getDescription(deviceName: device.name ?? "AndroidDevice".localized())
         
         #if os(macOS)
         
         NSApp.activate(ignoringOtherApps: true)
         AudioManager.playIncomingFileSound()
-        
-        // If file -> no notification, as there is the QuickDrop progress toast
-        if transfer.type != .file {
-            UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound]) { granted, _ in
-                if granted {
-                    log("[ReceiveModel] User granted notification permissions")
-                    
-                    let notificationContent = UNMutableNotificationContent()
-                    notificationContent.title = "QuickDrop"
-                    notificationContent.body = mainMessage
-                    notificationContent.sound = nil
-                    let notificationId = UUID().uuidString
-                    
-                    let notificationReq = UNNotificationRequest(identifier: notificationId, content: notificationContent, trigger: nil)
-                    UNUserNotificationCenter.current().add(notificationReq)
-                    
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
-                        UNUserNotificationCenter.current().removeDeliveredNotifications(withIdentifiers: [notificationId])
-                    }
-                }
-            }
+        DispatchQueue.main.async {
+            self.toastActions = nil
+            self.progress = nil
+            self.activeDeviceName = device.name ?? "AndroidDevice".localized()
+            self.consentState = nil
+            self.showQuickDropToast(for: transfer.id)
         }
         #else
         // If text is received, nothing is shown, as it is directly inserted into clipboard automatically
@@ -188,6 +230,18 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
         }
         #endif
     }
+
+    
+    func notificationSyncSetupConfirmed() {
+        #if os(macOS)
+        DispatchQueue.main.async {
+            if self.consentState?.notificationSyncStage != nil {
+                self.hideQuickDropToast(style: .fade)
+            }
+            NotificationSyncQrSheetManager.shared.close()
+        }
+        #endif
+    }
     
     
     func connectionWasTerminated(connectionID: String, from device: RemoteDeviceInfo?, savedFiles: [URL], wasPlainTextTransfer: Bool, error: (any Error)?) {
@@ -196,11 +250,17 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
         
         #if os(macOS)
         DispatchQueue.main.async {
+            let wasPendingConsent = self.consentState?.transferID == connectionID
             if self.processes.isEmpty {
                 self.progress = nil
             }
+            if wasPendingConsent {
+                self.consentState = nil
+                self.toastActions = nil
+                self.hideQuickDropToast()
+            }
+            finishMacTermination(device: device, savedFiles: savedFiles, error: error, wasPendingConsent: wasPendingConsent)
         }
-        finish()
         #else
         if self.processes.isEmpty {
             ProgressAlert.shared.updateProgress(nil, onCancel: {}) {
@@ -247,20 +307,31 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                 
                 #endif
                 
-                let currentCount = Settings.shared.incomingTransmissionCount
+                let currentCount = Settings.sharedInstance.incomingTransmissionCount
                 
                 #if os(macOS)
                 
+                let completionKey: String
+                let autoHideDelay: TimeInterval
+
+                if !savedFiles.isEmpty {
+                    completionKey = "Saved"
+                    autoHideDelay = 10
+                } else if wasPlainTextTransfer {
+                    completionKey = "CopiedToClipboard"
+                    autoHideDelay = 10
+                } else {
+                    completionKey = "URLOpened"
+                    autoHideDelay = 4
+                }
+                
                 if currentCount == 0 {
                     pendingReview = true
                 }
                 
-                let openFilesAction = {
-                    if !savedFiles.isEmpty {
-                        log("[SaveFilesManager] Opening \(savedFiles.count) file(s) in Finder.")
-                        NSWorkspace.shared.activateFileViewerSelecting(savedFiles)
-                    }
-                    
+                let openFilesAction: (() -> ())? = savedFiles.isEmpty ? nil : {
+                    log("[SaveFilesManager] Opening \(savedFiles.count) file(s) in Finder.")
+                    NSWorkspace.shared.activateFileViewerSelecting(savedFiles)
                     showReviewIfAppropriate(currentTransmissionCount: currentCount)
                 }
                 
@@ -286,28 +357,118 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                 } : nil
                 
                 let closeToastAction = {
+                    self.hideQuickDropToast(style: .fade)
+                    showReviewIfAppropriate(currentTransmissionCount: currentCount)
+                }
+                let autoHideAction = {
                     self.hideQuickDropToast()
                     showReviewIfAppropriate(currentTransmissionCount: currentCount)
                 }
                 
                 DispatchQueue.main.async {
                     withAnimation {
-                        self.toastActions = ToastViewAction(openFilesAction: openFilesAction, importPhotosAction: importPhotosAction, closeToastAction: closeToastAction)
+                        self.toastActions = ToastViewAction(completionMessageKey: completionKey, autoHideDelay: autoHideDelay, openFilesAction: openFilesAction, importPhotosAction: importPhotosAction, closeToastAction: closeToastAction, autoHideAction: autoHideAction)
                     }
                     
                     // Show received files if wanted
-                    if Settings.shared.openFinderAfterReceiving {
-                        self.toastActions?.openFilesAction()
+                    if Settings.sharedInstance.openFinderAfterReceiving {
+                        self.toastActions?.openFilesAction?()
                     }
                 }
                 #endif
 
-                Settings.shared.incomingTransmissionCount = currentCount + 1
+                Settings.sharedInstance.incomingTransmissionCount = currentCount + 1
                 log("[ReceiveModel] Successful transmission. Current count: \(currentCount)")
             }
         }
         
+        
         #if os(macOS)
+        func finishMacTermination(device: RemoteDeviceInfo?, savedFiles: [URL], error: (any Error)?, wasPendingConsent: Bool) {
+            if wasPendingConsent {
+                return
+            }
+
+            if let error = error {
+                if let name = device?.name {
+                    self.hideQuickDropToast()
+
+                    controlPlusScreen(false)
+
+                    errorVibration()
+                    ErrorAlertHandler.shared.showErrorAlert(for: name, error: error)
+                }
+                return
+            }
+
+            let currentCount = Settings.sharedInstance.incomingTransmissionCount
+            let completionKey: String
+            let autoHideDelay: TimeInterval
+
+            if !savedFiles.isEmpty {
+                completionKey = "Saved"
+                autoHideDelay = 10
+            } else if wasPlainTextTransfer {
+                completionKey = "CopiedToClipboard"
+                autoHideDelay = 10
+            } else {
+                completionKey = "URLOpened"
+                autoHideDelay = 4
+            }
+
+            if currentCount == 0 {
+                pendingReview = true
+            }
+
+            let openFilesAction: (() -> ())? = savedFiles.isEmpty ? nil : {
+                log("[SaveFilesManager] Opening \(savedFiles.count) file(s) in Finder.")
+                NSWorkspace.shared.activateFileViewerSelecting(savedFiles)
+                showReviewIfAppropriate(currentTransmissionCount: currentCount)
+            }
+
+            let hasPhotoOrVideos = PhotoManager.hasPhotosOrVideos(at: savedFiles)
+            let importPhotosAction: (()->())? = hasPhotoOrVideos ? {
+                Task {
+                    do {
+                        try await PhotoManager.saveMediaToPhotoLibrary(from: savedFiles)
+                        showReviewIfAppropriate(currentTransmissionCount: currentCount)
+                    }
+                    catch {
+                        DispatchQueue.main.async {
+                            let alert = NSAlert()
+                            alert.alertStyle = .critical
+                            alert.messageText = "CouldNotSaveMediaToPhotoLibrary".localized()
+                            alert.informativeText = error.localizedDescription
+                            alert.addButton(withTitle: "CloseAlert".localized())
+
+                            alert.runModal()
+                        }
+                    }
+                }
+            } : nil
+
+            let closeToastAction = {
+                self.hideQuickDropToast(style: .fade)
+                showReviewIfAppropriate(currentTransmissionCount: currentCount)
+            }
+            let autoHideAction = {
+                self.hideQuickDropToast()
+                showReviewIfAppropriate(currentTransmissionCount: currentCount)
+            }
+
+            withAnimation {
+                self.toastActions = ToastViewAction(completionMessageKey: completionKey, autoHideDelay: autoHideDelay, openFilesAction: openFilesAction, importPhotosAction: importPhotosAction, closeToastAction: closeToastAction, autoHideAction: autoHideAction)
+            }
+
+            // Show received files if wanted
+            if Settings.sharedInstance.openFinderAfterReceiving {
+                self.toastActions?.openFilesAction?()
+            }
+
+            Settings.sharedInstance.incomingTransmissionCount = currentCount + 1
+            log("[ReceiveModel] Successful transmission. Current count: \(currentCount)")
+        }
+
         func showReviewIfAppropriate(currentTransmissionCount: Int) {
             if pendingReview {
                 // Dont request review again
@@ -324,6 +485,12 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
     
     func showPlusScreen() {
         DispatchQueue.main.async {
+#if os(macOS)
+            self.consentState = nil
+            self.toastActions = nil
+            self.progress = nil
+            self.hideQuickDropToast()
+#endif
             self.controlPlusScreen(true)
         }
     }
@@ -332,31 +499,88 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
     // MARK: - macOS Progress Overlay
     
     #if os(macOS)
+    private func scheduleToastReveal(for window: NSWindow) {
+        toastRevealTask?.cancel()
+        toastRevealTask = nil
+        
+        let revealTask = DispatchWorkItem { [weak self, weak window] in
+            guard let self, let window else { return }
+            guard self.toastWindow === window else { return }
+            self.toastIsVisible = true
+            self.toastRevealTask = nil
+        }
+        
+        toastRevealTask = revealTask
+        // Reveal on the next run-loop tick to avoid pop-in without timer jitter.
+        DispatchQueue.main.async(execute: revealTask)
+    }
+    
     func showQuickDropToast(for connectionID: String) {
-        guard toastWindow == nil else { return }
+        if !Thread.isMainThread {
+            DispatchQueue.main.async {
+                self.showQuickDropToast(for: connectionID)
+            }
+            return
+        }
 
-        let contentView = QuickDropToastView(
+        // If a previous hide is still waiting for cleanup, keep the toast alive for this new request.
+        toastCleanupTask?.cancel()
+        toastCleanupTask = nil
+        toastRevealTask?.cancel()
+        toastRevealTask = nil
+
+        if let window = toastWindow {
+            toastDismissStyle = .slide
+            
+            if !toastIsVisible {
+                window.makeKeyAndOrderFront(nil)
+                scheduleToastReveal(for: window)
+            }
+            return
+        }
+
+        guard !toastWindowPending else { return }
+        toastWindowPending = true
+
+        guard toastWindow == nil else {
+            toastWindowPending = false
+            return
+        }
+
+        toastIsVisible = false
+        toastDismissStyle = .slide
+
+        let contentView = QuickDropToastHostView(
             receiveModel: self,
-            onCancel: {
-                NearbyConnectionManager.shared.cancelTransfer(id: connectionID)
+            onCancel: { [weak self] in
+                guard let self else { return }
+                NearbyConnectionManager.shared.cancelAllIncomingConnections()
+
+                self.processes.removeAll()
+                self.progress = nil
+                self.toastActions = nil
+                self.consentState = nil
+                self.hideQuickDropToast(style: .fade)
             }
         )
 
         let hostingView = NSHostingView(rootView: contentView)
-        hostingView.frame.size = toastViewSize
 
         // Prefer the screen under the mouse, then the key window’s screen, then main
         let screen = NSScreen.screens.first { $0.frame.contains(NSEvent.mouseLocation) }
             ?? NSApp.keyWindow?.screen
             ?? NSScreen.main
 
-        guard let screen else { return }
+        guard let screen else {
+            toastWindowPending = false
+            return
+        }
 
         let frame = screen.frame
         let visible = screen.visibleFrame
 
-        let marginX: CGFloat = 24
-        let marginFromTop: CGFloat = 30
+        let marginX: CGFloat = 20
+        let marginFromTop: CGFloat = 20
 
         // If the menu bar is auto-hidden, visible.maxY == frame.maxY; subtract the status bar thickness to stay clear
         let menuBarHidden = abs(frame.maxY - visible.maxY) < 0.5
@@ -364,61 +588,130 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
 
         let targetX = visible.maxX - toastViewSize.width - marginX
         let targetY = visible.maxY - toastViewSize.height - marginFromTop - extraTopInset
+        let windowWidth = visible.maxX - targetX
+        let targetFrame = CGRect(x: targetX, y: targetY, width: windowWidth, height: toastViewSize.height)
+        
+        // Expand the borderless window so SwiftUI shadow can render without clipping.
+        // Keep the toast anchored at the same screen position by offsetting hostingView
+        // inside a clear container view.
+        let shadowInsetLeft: CGFloat = 22
+        let shadowInsetTop: CGFloat = 18
+        let shadowInsetBottom: CGFloat = 24
+        let windowFrame = CGRect(
+            x: targetFrame.minX - shadowInsetLeft,
+            y: targetFrame.minY - shadowInsetBottom,
+            width: targetFrame.width + shadowInsetLeft,
+            height: targetFrame.height + shadowInsetTop + shadowInsetBottom
+        )
+        
+        let containerView = NSView(frame: CGRect(origin: .zero, size: windowFrame.size))
+        containerView.wantsLayer = true
+        containerView.layer?.backgroundColor = NSColor.clear.cgColor
+        
+        hostingView.frame = CGRect(
+            x: shadowInsetLeft,
+            y: shadowInsetBottom,
+            width: targetFrame.width,
+            height: targetFrame.height
+        )
+        containerView.addSubview(hostingView)
 
-        // Start slightly above the final spot for a smooth slide-in
-        let startY = min(frame.maxY + 10, targetY + 10)
-        let startFrame = CGRect(x: targetX, y: startY, width: toastViewSize.width, height: toastViewSize.height)
-
-        let window = NSWindow(contentRect: startFrame,
+        let window = NSWindow(contentRect: windowFrame,
                               styleMask: [.borderless],
                               backing: .buffered,
                               defer: false)
         window.isOpaque = false
         window.backgroundColor = .clear
-        window.hasShadow = true
+        // Use SwiftUI shadow on the toast view itself. On macOS 12, window
+        // shadow can reveal a rectangular artifact in transparent trailing space.
+        window.hasShadow = false
         window.level = .statusBar
         window.collectionBehavior = [.canJoinAllSpaces, .fullScreenAuxiliary]
-        window.contentView = hostingView
+        window.contentView = containerView
         window.ignoresMouseEvents = false
-        window.alphaValue = 0
+        window.alphaValue = 1
         window.makeKeyAndOrderFront(nil)
 
-        self.toastWindow = window
-        self.toastHosting = hostingView
-
-        NSAnimationContext.runAnimationGroup { ctx in
-            ctx.duration = 0.35
-            ctx.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
-            window.animator().setFrameOrigin(CGPoint(x: targetX, y: targetY))
-            window.animator().alphaValue = 1
-        }
+        toastWindow = window
+        toastHosting = hostingView
+        toastWindowPending = false
+        scheduleToastReveal(for: window)
     }
 
 
-    func hideQuickDropToast() {
-        guard let window = toastWindow,
-              let screen = NSScreen.main else { return }
+    func hideQuickDropToast(style: ToastDismissStyle = .fade) {
+        if !Thread.isMainThread {
+            DispatchQueue.main.async {
+                self.hideQuickDropToast(style: style)
+            }
+            return
+        }
 
-        let offscreenY = screen.visibleFrame.origin.y + screen.visibleFrame.height + 20
+        toastCleanupTask?.cancel()
+        toastCleanupTask = nil
+        toastRevealTask?.cancel()
+        toastRevealTask = nil
 
-        NSAnimationContext.runAnimationGroup({ ctx in
-            ctx.duration = 0.35
-            ctx.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
-            window.animator().setFrameOrigin(CGPoint(x: window.frame.origin.x, y: offscreenY))
-            window.animator().alphaValue = 0
-        }, completionHandler: {
+        guard let window = toastWindow else {
+            self.toastWindow = nil
+            self.toastHosting = nil
+            self.toastActions = nil
+            self.consentState = nil
+            self.toastWindowPending = false
+            return
+        }
+
+        self.toastDismissStyle = style
+        self.toastIsVisible = false
+
+        let cleanupDelay: TimeInterval = (style == .slide) ? 0.5 : 0.3
+        let cleanupTask = DispatchWorkItem { [weak self] in
+            guard let self else { return }
             window.orderOut(nil)
             self.toastWindow = nil
             self.toastHosting = nil
             self.toastActions = nil
-        })
+            self.consentState = nil
+            self.activeDeviceName = nil
+            self.toastWindowPending = false
+            self.toastCleanupTask = nil
+            self.toastRevealTask = nil
+        }
+        toastCleanupTask = cleanupTask
+
+        DispatchQueue.main.asyncAfter(deadline: .now() + cleanupDelay, execute: cleanupTask)
     }
     
     
     struct ToastViewAction {
-        let openFilesAction: () -> ()
+        let completionMessageKey: String
+        let autoHideDelay: TimeInterval
+        let openFilesAction: (() -> ())?
         let importPhotosAction: (() -> ())?
         let closeToastAction: () -> ()
+        let autoHideAction: () -> ()
+    }
+
+
+    enum ToastDismissStyle {
+        case slide
+        case fade
+    }
+    
+
+    struct ConsentToastState {
+        enum NotificationSyncStage {
+            case consent
+            case pin
+        }
+
+        let transferID: String
+        let pinCodeMessage: String
+        let message: String
+        let notificationSyncStage: NotificationSyncStage?
+        let allowsTrust: Bool
+        let acceptAction: (Bool) -> ()
+        let declineAction: () -> ()
     }
     #endif
 }

QuickDropIcon.icon/icon.json

@@ -10,7 +10,19 @@
       "layers" : [
         {
           "image-name" : "QuickDropArrows.png",
-          "name" : "QuickDropArrows"
+          "name" : "QuickDropArrows",
+          "position-specializations" : [
+            {
+              "idiom" : "square",
+              "value" : {
+                "scale" : 1,
+                "translation-in-points" : [
+                  0,
+                  -5
+                ]
+              }
+            }
+          ]
         },
         {
           "image-name" : "QuickDropCircle.png",
@@ -24,7 +36,7 @@
       },
       "translucency" : {
         "enabled" : true,
-        "value" : 0.16
+        "value" : 0.52
       }
     }
   ],

QuickDropiOS/InfoPlist.xcstrings

@@ -32,7 +32,7 @@
         "en" : {
           "stringUnit" : {
             "state" : "new",
-            "value" : ""
+            "value" : "Copyright © 2025-2026 Leon Böttger"
           }
         }
       }

QuickDropiOS/QuickDropiOS.entitlements

@@ -8,5 +8,9 @@
 	<array>
 		<string>group.com.leonboettger.neardrop</string>
 	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)com.leonboettger.neardrop</string>
+	</array>
 </dict>
 </plist>

QuickDropiOS/View/ChangeDeviceNameModifier.swift

@@ -30,6 +30,7 @@ struct ChangeDeviceNameAlertModifier: ViewModifier {
     }
 }
 
+
 extension View {
     func changeDeviceNameAlert(
         isPresented: Binding<Bool>,

QuickDropiOS/View/ContentView.swift

@@ -12,14 +12,14 @@ import StoreKit
 struct ContentView: View {
     
     @ObservedObject var luiSettings = LUISettings.sharedInstance
-    @ObservedObject var settings = Settings.shared
+    @ObservedObject var iapManager = IAPManager.sharedInstance
     
     var body: some View {
-        AppRootView(isPlus: $settings.gotPlus, phoneView: {
+        AppRootView(phoneView: {
             DeviceListView()
                 .environment(\.sheetActive, isShareExtension())
         }, settingsView: {
-            CustomSection(header: settings.gotPlus ? "" : "General", footer: "TrustedDevicesFooterShort") {
+            CustomSection(header: iapManager.plusVersionState ? "" : "General", footer: "TrustedDevicesFooterShort") {
                 LUIButton {
                     FileManager.default.openDocumentFolder()
                 } label: {
@@ -47,16 +47,19 @@ struct DeviceListView: View {
     @StateObject var receiveModel = ReceiveModel(controlPlusScreen: { show in
         log("[DeviceListView] Setting showPlusScreen to \(show)")
         errorVibration()
-        DeviceListViewModel.sharedInstance.showPlusScreen = show
+        if show {
+            presentPaywall()
+        }
+        else {
+            OverlayCoverStack.shared.dismissTop(animated: true)
+        }
     })
     #endif
     
-    @ObservedObject var model = DeviceListViewModel.sharedInstance
-    
     @Environment(\.scenePhase) var scenePhase
     @Environment(\.sheetActive) var sheetActive
     @ObservedObject var nearbyConnectionManager = NearbyConnectionManager.shared
-    @ObservedObject var settings = Settings.shared
+    @ObservedObject var settings = Settings.sharedInstance
     
     var body: some View {
         
@@ -167,9 +170,8 @@ struct DeviceListView: View {
                             .font(.system(size: 14))
                             .foregroundColor(Color.primary.opacity(0.6))
                         
-                        LoadingIndicator()
+                        LoadingIndicator(size: 12)
                             .opacity(0.75)
-                            .frame(width: 12, height: 12)
                     }
                     .padding(.vertical, 16)
                 }
@@ -203,7 +205,7 @@ struct DeviceListView: View {
                 #if !EXTENSION
                 NearbyConnectionManager.shared.becomeVisible()
                 
-                if Settings.shared.incomingTransmissionCount > 0 {
+                if Settings.sharedInstance.incomingTransmissionCount > 0 {
                     runAfter(seconds: 0.3) {
                         requestReviewOnce()
                     }
@@ -220,9 +222,6 @@ struct DeviceListView: View {
                 NearbyConnectionManager.shared.stopDeviceDiscovery()
             }
         }
-        #if !EXTENSION
-        .modifier(PlusVersionSheetModifier(sheetActive: $model.showPlusScreen, isPlusVersion: $settings.gotPlus))
-        #endif
         .animation(.smooth, value: nearbyConnectionManager.hasLocalNetworkPermission)
         .animation(.smooth, value: nearbyConnectionManager.isConnectedToLocalNetwork)
         .navigationBarItems(trailing: ZStack {
@@ -237,13 +236,6 @@ struct DeviceListView: View {
 }
 
 
-final class DeviceListViewModel: SharedInstance {
-    static var sharedInstance = DeviceListViewModel()
-
-    @Published var showPlusScreen = false
-}
-
-
 struct DeviceFilePickerButton: View {
     
     let device: RemoteDeviceInfo
@@ -277,7 +269,7 @@ struct DeviceButtonLabel: View {
     var body: some View {
         HStack(spacing: 12) {
             
-            let name = device.name ?? "UnknownDevice".localized()
+            let name = device.name ?? "AndroidDevice".localized()
             
             ZStack {
                 Circle()

QuickDropiOS/View/LocalNetworkPermissionView.swift

@@ -15,7 +15,7 @@ public struct LocalNetworkPermissionView: View {
     
     public var body: some View {
         
-        PermissionView(title: "introduction_local_network_access", symbol: "", subtitle: "introduction_local_network_access_description", permissionAction: {
+        PermissionView(title: "introduction_local_network_access", watchSymbol: "", subtitle: "introduction_local_network_access_description".localized(with: "introduction_continue".localized()), permissionAction: {
             
             if requestedLocalNetworkAccess {
                 // Something went wrong, user pressed again on continue. In this case, just continue with setup
@@ -27,15 +27,12 @@ public struct LocalNetworkPermissionView: View {
                 let manager = NearbyConnectionManager.shared
                 manager.startDeviceDiscovery()
             }
-        }, canSkip: false, nextView: {
+        }, continueLabel: "introduction_continue", canSkip: false, nextView: {
             IntroductionDoneView()
-        }, nextViewSkip: {}, frontMockup: {
-            AppMockupFrontView()
-        }, backMockup: {
-            SymbolMockupView(symbol: "globe")
+        }, nextViewSkip: {}, topView: {
+            IntroductionIconView(icon: "wifi")
         })
         .onChange(of: scenePhase) { newValue in
-            
             // alert was removed from screen, app is foreground again -> continue with intro
             if newValue == .active && requestedLocalNetworkAccess {
                 IntroductionViewController.sharedInstance.canProceed = true

QuickDropiOS/View/PhotoManager.swift

@@ -19,7 +19,7 @@ struct PhotoManager {
 
     /// Returns if there are photos or videos among the given URLs.
     static func hasPhotosOrVideos(at urls: [URL]) -> Bool {
-        urls.contains(where: { isImageFile(at: $0) || isVideoFile(at: $0) })
+        urls.contains(where: { EXIFUtils.isImageFile(at: $0) || EXIFUtils.isVideoFile(at: $0) })
     }
     
     
@@ -30,9 +30,6 @@ struct PhotoManager {
     /// - Throws: `SaveToPhotosError` or underlying URLSession/Photos errors.
     static func saveMediaToPhotoLibrary(from urls: [URL], openPhotosOnSuccess: Bool = true) async throws {
         
-        let candidates = urls.filter { isImageFile(at: $0) || isVideoFile(at: $0) }
-        guard !candidates.isEmpty else { throw SaveToPhotosError.noSavableContent }
-        
         let authStatus = await requestAddOnlyPhotoAuthorization()
         guard authStatus == .authorized || authStatus == .limited else {
             throw SaveToPhotosError.permissionDenied
@@ -41,16 +38,15 @@ struct PhotoManager {
         var imageItems: [ImageItem] = []
         var videoItems: [VideoItem] = []
         
-        
         // Extract creation date for image and video
-        for sourceURL in candidates {
+        for sourceURL in urls {
+            let (type, date) = EXIFUtils.originalDate(from: sourceURL)
             
-            if isImageFile(at: sourceURL) {
-                let exifDate = EXIFUtils.exifOriginalDate(from: sourceURL)
-                imageItems.append(ImageItem(fileURL: sourceURL, creationDate: exifDate))
-            } else {
-                let videoDate = getVideoCreationDate(from: sourceURL)
-                videoItems.append(VideoItem(fileURL: sourceURL, creationDate: videoDate))
+            if type == .image {
+                imageItems.append(ImageItem(fileURL: sourceURL, creationDate: date))
+            }
+            if type == .video {
+                videoItems.append(VideoItem(fileURL: sourceURL, creationDate: date))
             }
         }
         
@@ -116,40 +112,6 @@ struct PhotoManager {
     }
     
     
-    private static func isImageFile(at url: URL) -> Bool {
-        let ext = url.pathExtension.lowercased()
-        guard let type = UTType(filenameExtension: ext) else {
-            return false
-        }
-        
-        return type.conforms(to: .image)
-    }
-    
-    
-    private static func isVideoFile(at url: URL) -> Bool {
-        let ext = url.pathExtension.lowercased()
-        guard let type = UTType(filenameExtension: ext) else {
-            return false
-        }
-        // `.movie` is the canonical file-based video type; `.audiovisualContent`
-        // catches some broader cases if needed.
-        return type.conforms(to: .movie) || type.conforms(to: .audiovisualContent)
-    }
-    
-    
-    private static func getVideoCreationDate(from url: URL) -> Date? {
-        let asset = AVURLAsset(url: url)
-        // AVMetadataItem that typically contains an ISO‑8601 string
-        guard let item = asset.creationDate,
-              let dateString = item.stringValue else {
-            return nil
-        }
-        
-        let formatter = ISO8601DateFormatter()
-        return formatter.date(from: dateString)
-    }
-    
-    
     /// Requests add-only Photos permission
     private static func requestAddOnlyPhotoAuthorization() async -> PHAuthorizationStatus {
         await withCheckedContinuation { continuation in
@@ -158,8 +120,12 @@ struct PhotoManager {
             }
         }
     }
-    
-    
+}
+
+
+// MARK: - Private types
+
+private extension PhotoManager {
     private enum SaveToPhotosError: Error, LocalizedError {
         case noSavableContent
         case permissionDenied

QuickDropiOS/View/PieProgressView.swift

@@ -1,69 +0,0 @@
-//
-//  PieProgressView.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 16.08.25.
-//
-
-import SwiftUI
-
-struct PieProgressView: View {
-    let progress: CGFloat // value between 0.0 and 1.0
-    var size: CGFloat = 25.0
-    
-    var color: Color? = nil
-    
-    var body: some View {
-        
-        let color = color ?? .gray
-        
-        ZStack {
-              
-            Circle()
-                .stroke(lineWidth: size * 0.08)
-                .foregroundColor(color)
-            
-            ZStack {
-                PieSlice(progress: progress)
-                    .fill(color)
-                    .rotationEffect(.degrees(-90)) // Start from the top
-            }
-            .overlay (
-                Image(systemName: "checkmark")
-                    .font(.system(size: 12, weight: .bold))
-                    .foregroundColor(color == .white ? .blue : .white)
-                    .opacity(progress >= 1.0 ? 1.0 : 0.0) // Show checkmark only when complete
-            )
-        }
-        .frame(width: size, height: size)
-    }
-}
-
-
-struct PieSlice: Shape {
-    var progress: CGFloat // from 0.0 to 1.0
-    
-    func path(in rect: CGRect) -> Path {
-        var path = Path()
-        
-        let center = CGPoint(x: rect.midX, y: rect.midY)
-        let radius = rect.width / 2
-        let endAngle = Angle(degrees: 360 * Double(progress))
-        
-        path.move(to: center)
-        path.addArc(center: center,
-                    radius: radius,
-                    startAngle: .degrees(0),
-                    endAngle: endAngle,
-                    clockwise: false)
-        path.closeSubpath()
-        
-        return path
-    }
-}
-
-
-#Preview {
-    PieProgressView(progress: 0.76)
-        .padding()
-}

ShareExtension/Helpers/Attachments.swift

@@ -11,6 +11,8 @@ import SwiftUI
 import LUI
 #if os(macOS)
 import Cocoa
+#elseif canImport(UIKit)
+import UIKit
 #endif
 
 func loadAttachments(with extensionContext: NSExtensionContext?, loadedItems: @escaping (AttachmentDetails) -> Void) {
@@ -42,7 +44,31 @@ func loadAttachments(with extensionContext: NSExtensionContext?, loadedItems: @e
                             ignoredAttachments += 1
                         }
                         
-                        checkIfAttachmentsLoaded(result: result, attachmentCount: attachments.count, ignoredAttachments: ignoredAttachments)
+                        checkIfAttachmentsLoaded(result: result,
+                                                 attachmentCount: attachments.count,
+                                                 ignoredAttachments: ignoredAttachments,
+                                                 item: item,
+                                                 loadedItems: loadedItems)
+                    }
+                }
+                else if attachment.hasItemConformingToTypeIdentifier(UTType.image.identifier) {
+                    let imageTypeIdentifier = attachment.registeredTypeIdentifiers.first(where: {
+                        UTType($0)?.conforms(to: .image) == true
+                    }) ?? UTType.image.identifier
+                    attachment.loadItem(forTypeIdentifier: imageTypeIdentifier, options: nil) { data, _ in
+                        if let url = imageUrl(from: data, typeIdentifier: imageTypeIdentifier) {
+                            result.urls += [url]
+                        }
+                        else {
+                            log("Attachment is not an image URL or data, ignoring. All attachments: \(attachments.description)")
+                            ignoredAttachments += 1
+                        }
+                        
+                        checkIfAttachmentsLoaded(result: result,
+                                                 attachmentCount: attachments.count,
+                                                 ignoredAttachments: ignoredAttachments,
+                                                 item: item,
+                                                 loadedItems: loadedItems)
                     }
                 }
                 else {
@@ -52,20 +78,28 @@ func loadAttachments(with extensionContext: NSExtensionContext?, loadedItems: @e
                             log("Found NSURL: \(url)")
                             result.urls += [(url as URL)]
                             
-                            checkIfAttachmentsLoaded(result: result, attachmentCount: attachments.count, ignoredAttachments: ignoredAttachments)
+                            checkIfAttachmentsLoaded(result: result,
+                                                     attachmentCount: attachments.count,
+                                                     ignoredAttachments: ignoredAttachments,
+                                                     item: item,
+                                                     loadedItems: loadedItems)
                         }
                         else {
                             log("Attachment is not a URL, ignoring. All attachments: \(attachments.description)")
                             ignoredAttachments += 1
                             
-                            checkIfAttachmentsLoaded(result: result, attachmentCount: attachments.count, ignoredAttachments: ignoredAttachments)
+                            checkIfAttachmentsLoaded(result: result,
+                                                     attachmentCount: attachments.count,
+                                                     ignoredAttachments: ignoredAttachments,
+                                                     item: item,
+                                                     loadedItems: loadedItems)
                         }
                     }
                 }
             }
         }
         else {
-            loadTextIfPossible()
+            deliverTextIfPossible(from: item, loadedItems: loadedItems)
         }
     }
     else {
@@ -74,83 +108,136 @@ func loadAttachments(with extensionContext: NSExtensionContext?, loadedItems: @e
         let cancelError = NSError(domain: NSCocoaErrorDomain, code: NSUserCancelledError, userInfo: nil)
         extensionContext.cancelRequest(withError: cancelError)
     }
+}
+
+
+private func deliverTextIfPossible(from item: NSExtensionItem, loadedItems: @escaping (AttachmentDetails) -> Void) {
+    guard let details = textAttachmentDetails(from: item) else { return }
+    DispatchQueue.main.async {
+        loadedItems(details)
+    }
+}
+
+
+private func textAttachmentDetails(from item: NSExtensionItem) -> AttachmentDetails? {
+    guard let text = item.attributedContentText?.string else { return nil }
     
+    log("Found text content: \(text)")
     
-    func loadTextIfPossible() {
-        if let text = item.attributedContentText?.string {
-            
-            log("Found text content: \(text)")
-            
-            result.textToSend = text
-            
-            #if os(macOS)
-            result.previewImage = NSImage(named: NSImage.multipleDocumentsName)
-            #else
-            result.previewImage = Image(systemName: "text.document")
-            #endif
-            
-            let maxLength = 50
-            let cleanedText = text.replacingOccurrences(of: "\n", with: " ").replacingOccurrences(of: "\r", with: "")
-            
-            if cleanedText.count > maxLength {
-                let index = cleanedText.index(cleanedText.startIndex, offsetBy: maxLength)
-                result.shortDescription = String(cleanedText[..<index]) + "..."
-            } else {
-                result.shortDescription = cleanedText
-            }
-            
-            DispatchQueue.main.async {
-                loadedItems(result)
-            }
-        }
+    var result = AttachmentDetails(urls: [], textToSend: text, shortDescription: "", previewImage: nil)
+    
+    #if os(macOS)
+    result.previewImage = NSImage(named: NSImage.multipleDocumentsName)
+    #else
+    result.previewImage = Image(systemName: "text.document")
+    #endif
+    
+    let maxLength = 50
+    let cleanedText = text.replacingOccurrences(of: "\n", with: " ").replacingOccurrences(of: "\r", with: "")
+    
+    if cleanedText.count > maxLength {
+        let index = cleanedText.index(cleanedText.startIndex, offsetBy: maxLength)
+        result.shortDescription = String(cleanedText[..<index]) + "..."
+    } else {
+        result.shortDescription = cleanedText
     }
     
+    return result
+}
+
+
+private func checkIfAttachmentsLoaded(result: AttachmentDetails,
+                                      attachmentCount: Int,
+                                      ignoredAttachments: Int = 0,
+                                      item: NSExtensionItem,
+                                      loadedItems: @escaping (AttachmentDetails) -> Void) {
     
-    func checkIfAttachmentsLoaded(result: AttachmentDetails, attachmentCount: Int, ignoredAttachments: Int = 0) {
+    var result = result
+    
+    if result.urls.count == attachmentCount-ignoredAttachments {
         
-        var result = result
-        
-        if result.urls.count == attachmentCount-ignoredAttachments {
+        // Unable to load anything useful, check if there is text as last resort
+        if result.urls.count == 0 {
+            deliverTextIfPossible(from: item, loadedItems: loadedItems)
+            return
+        }
+        else if result.urls.count == 1 {
             
-            // Unable to load anything useful, check if there is text as last resort
-            if result.urls.count == 0 {
-                loadTextIfPossible()
-                return
-            }
-            else if result.urls.count == 1 {
+            if result.urls[0].isFileURL {
                 
-                if result.urls[0].isFileURL {
-                    
-                    log("Single file URL found: \(result.urls[0])")
-                    
-                    result.shortDescription = result.urls[0].lastPathComponent
-                    #if os(macOS)
-                    result.previewImage = NSWorkspace.shared.icon(forFile: result.urls[0].path)
-                    #else
-                    result.previewImage = Image(systemName: "document")
-                    #endif
-                }
-                else if result.urls[0].scheme == "http" || result.urls[0].scheme == "https" {
-                    result.shortDescription = result.urls[0].absoluteString
-                    #if os(macOS)
-                    result.previewImage = NSImage(named: NSImage.networkName)
-                    #else
-                    result.previewImage = Image(systemName: "network")
-                    #endif
-                }
-            }
-            else {
-                result.shortDescription = String.localizedStringWithFormat("NFiles".localized(), result.urls.count)
+                log("Single file URL found: \(result.urls[0])")
+                
+                result.shortDescription = result.urls[0].lastPathComponent
                 #if os(macOS)
-                result.previewImage = NSImage(named: NSImage.multipleDocumentsName)
+                result.previewImage = NSWorkspace.shared.icon(forFile: result.urls[0].path)
                 #else
                 result.previewImage = Image(systemName: "document")
                 #endif
             }
-            
-            DispatchQueue.main.async {
-                loadedItems(result)
+            else if result.urls[0].scheme == "http" || result.urls[0].scheme == "https" {
+                result.shortDescription = result.urls[0].absoluteString
+                #if os(macOS)
+                result.previewImage = NSImage(named: NSImage.networkName)
+                #else
+                result.previewImage = Image(systemName: "network")
+                #endif
             }
         }
+        else {
+            result.shortDescription = String.localizedStringWithFormat("NFiles".localized(), result.urls.count)
+            #if os(macOS)
+            result.previewImage = NSImage(named: NSImage.multipleDocumentsName)
+            #else
+            result.previewImage = Image(systemName: "document")
+            #endif
+        }
+        
+        DispatchQueue.main.async {
+            loadedItems(result)
+        }
+    }
+}
+
+
+private func imageUrl(from data: Any?, typeIdentifier: String) -> URL? {
+    if let url = data as? NSURL {
+        log("Found image URL: \(url)")
+        return url as URL
+    }
+    
+    if let data = data as? Data {
+        let fileExtension = UTType(typeIdentifier)?.preferredFilenameExtension ?? "png"
+        return writeDataToTemporaryFile(data: data, fileExtension: fileExtension)
+    }
+    
+    #if canImport(UIKit)
+    if let image = data as? UIImage,
+       let imageData = image.pngData() {
+        return writeDataToTemporaryFile(data: imageData, fileExtension: "png")
+    }
+    #elseif os(macOS)
+    if let image = data as? NSImage,
+       let tiff = image.tiffRepresentation,
+       let rep = NSBitmapImageRep(data: tiff),
+       let pngData = rep.representation(using: .png, properties: [:]) {
+        return writeDataToTemporaryFile(data: pngData, fileExtension: "png")
+    }
+    #endif
+    
+    return nil
+}
+
+
+private func writeDataToTemporaryFile(data: Data, fileExtension: String) -> URL? {
+    let sanitizedExtension = fileExtension.isEmpty ? "dat" : fileExtension
+    let tempUrl = FileManager.default.temporaryDirectory
+        .appendingPathComponent("\(UUID().uuidString).\(sanitizedExtension)")
+    do {
+        try data.write(to: tempUrl)
+        return tempUrl
+    }
+    catch {
+        log("Failed to write attachment data to temp file: \(error)")
+        return nil
     }
 }

ShareExtension/ShareExtension.entitlements

@@ -6,5 +6,9 @@
 	<array>
 		<string>group.com.leonboettger.neardrop</string>
 	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)com.leonboettger.neardrop</string>
+	</array>
 </dict>
 </plist>

ShareExtension/ShareViewController.swift

@@ -5,10 +5,11 @@
 //  Created by Grishka on 12.09.2023.
 //
 
+import AppKit
 import Cocoa
 import Foundation
-import SwiftUI
 import LUI
+import SwiftUI
 
 class ShareViewController: NSViewController, OutboundAppDelegate {
     
@@ -54,7 +55,7 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
         
         loadAttachments(with: extensionContext, loadedItems: { result in
             
-            log("Loaded attachments: \(result)")
+            log("[ShareViewController] Loaded attachments: \(result)")
             
             self.urls = result.urls
             self.textToSend = result.textToSend
@@ -107,7 +108,7 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
     
     
     override func viewWillDisappear() {
-        log("ShareViewController: viewWillDisappear")
+        log("[ShareViewController] ShareViewController: viewWillDisappear")
         
         timeoutDispatchWorkItem?.cancel()
         
@@ -268,15 +269,26 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
                     alert.alertStyle = .critical
                     
                     alert.messageText = "TimeoutTitle".localized()
-                    alert.informativeText = "TimeoutDescription".localized()
-                    alert.addButton(withTitle: "TimeoutButton".localized())
                     
-                    alert.beginSheetModal(for: self.view.window!) { _ in }
+                    if #available(macOS 15.0, *) {
+                        alert.informativeText = "TimeoutDescription".localized()
+                        alert.addButton(withTitle: "TimeoutButton".localized())
+                        alert.addButton(withTitle: "CloseAlert".localized())
+                    } else {
+                        alert.informativeText = "TimeoutDescriptionLegacy".localized()
+                        alert.addButton(withTitle: "TimeoutButtonLegacy".localized())
+                    }
+                    
+                    alert.beginSheetModal(for: self.view.window!) { response in
+                        if #available(macOS 15.0, *), response == .alertFirstButtonReturn {
+                            openPrivacyAndSecuritySettings()
+                        }
+                    }
                 }
             }
             
             self.timeoutDispatchWorkItem = timeoutAlert
-            DispatchQueue.main.asyncAfter(deadline: .now() + 10.0, execute: timeoutAlert)
+            DispatchQueue.main.asyncAfter(deadline: .now() + 10.0, execute: timeoutAlert) 
         }
     }
     
@@ -301,18 +313,18 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
         let isRunning = runningApps.contains { $0.bundleIdentifier == bundleIdentifier }
         
         if !isRunning {
-            log("Launching main app")
+            log("[ShareViewController] Launching main app")
             if let url = NSWorkspace.shared.urlForApplication(withBundleIdentifier: bundleIdentifier) {
                 let configuration = NSWorkspace.OpenConfiguration()
                 NSWorkspace.shared.openApplication(at: url, configuration: configuration) { app, error in
                     if let error = error {
-                        log("Failed to launch application: \(error)")
+                        log("[ShareViewController] Failed to launch application: \(error)")
                     } else {
-                        log("Application launched successfully")
+                        log("[ShareViewController] Application launched successfully")
                     }
                 }
             } else {
-                log("Could not find application with bundle identifier \(bundleIdentifier)")
+                log("[ShareViewController] Could not find application with bundle identifier \(bundleIdentifier)")
             }
             
             DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
@@ -324,6 +336,9 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
             NearbyConnectionManager.shared.startDeviceDiscovery()
             scheduleAutomaticQrCodeView()
         }
+        
+        // Force local network access prompt if not already granted
+        let _ = DeviceToDeviceHeuristicScanner.shared.hasLocalNetworkAccess(completion: {_ in })
     }
     
     
@@ -386,6 +401,12 @@ extension ShareViewController: NSCollectionViewDataSource {
             return name
         }
         
-        return "UnknownDevice".localized()
+        return "AndroidDevice".localized()
     }
 }
+
+
+fileprivate func openPrivacyAndSecuritySettings() {
+    guard let url = URL(string: "x-apple.systempreferences:com.apple.settings.PrivacySecurity.extension") else { return }
+    NSWorkspace.shared.open(url)
+}

iOSShareExtension/iOSShareExtension.entitlements

@@ -8,5 +8,9 @@
 	<array>
 		<string>group.com.leonboettger.neardrop</string>
 	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)com.leonboettger.neardrop</string>
+	</array>
 </dict>
 </plist>