From 020681756565727ad6dcac76d660ff3f40353d56 Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Sun, 12 Oct 2025 23:16:58 +0800
Subject: [PATCH 1/7] Fixes

---
 .../Extensions/CustomStringConvertible.swift  |   2 +
 .../Participant/LocalParticipant.swift        | 161 +++++++++++-------
 .../LiveKit/Protocols/VideoViewDelegate.swift |   1 +
 .../LiveKit/SwiftUI/SwiftUIVideoView.swift    |   2 +
 .../Track/Capturers/CameraCapturer.swift      |   3 +
 .../Views/VideoView+MulticastDelegate.swift   |   1 +
 .../LiveKit/Views/VideoView+PinchToZoom.swift |   1 +
 Sources/LiveKit/Views/VideoView.swift         |   7 +
 8 files changed, 116 insertions(+), 62 deletions(-)

diff --git a/Sources/LiveKit/Extensions/CustomStringConvertible.swift b/Sources/LiveKit/Extensions/CustomStringConvertible.swift
index 3bea77f34..354fa5d18 100644
--- a/Sources/LiveKit/Extensions/CustomStringConvertible.swift
+++ b/Sources/LiveKit/Extensions/CustomStringConvertible.swift
@@ -156,12 +156,14 @@ extension Livekit_SignalResponse: CustomStringConvertible {
 
 // MARK: - NativeView
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public extension VideoView {
     override var description: String {
         "VideoView(track: \(String(describing: track)))"
     }
 }
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView.RenderMode: CustomStringConvertible {
     public var description: String {
         switch self {
diff --git a/Sources/LiveKit/Participant/LocalParticipant.swift b/Sources/LiveKit/Participant/LocalParticipant.swift
index da3a89583..9b1886d95 100644
--- a/Sources/LiveKit/Participant/LocalParticipant.swift
+++ b/Sources/LiveKit/Participant/LocalParticipant.swift
@@ -300,16 +300,33 @@ extension LocalParticipant {
 // MARK: - Simplified API
 
 public extension LocalParticipant {
+    @available(iOSApplicationExtension, unavailable, message: "Camera capture is not available in app extensions")
     @objc
     @discardableResult
     func setCamera(enabled: Bool,
                    captureOptions: CameraCaptureOptions? = nil,
                    publishOptions: VideoPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
-        try await set(source: .camera,
-                      enabled: enabled,
-                      captureOptions: captureOptions,
-                      publishOptions: publishOptions)
+        try await _publishSerialRunner.run {
+            let room = try self.requireRoom()
+
+            // Try to get existing publication
+            if let publication = self.getTrackPublication(source: .camera) as? LocalTrackPublication {
+                if enabled {
+                    try await publication.unmute()
+                    return publication
+                } else {
+                    try await publication.mute()
+                    return publication
+                }
+            } else if enabled {
+                let localTrack = LocalVideoTrack.createCameraTrack(options: captureOptions ?? room._state.roomOptions.defaultCameraCaptureOptions,
+                                                                   reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                return try await self._publish(track: localTrack, options: publishOptions)
+            }
+
+            return nil
+        }
     }
 
     @objc
@@ -318,10 +335,26 @@ public extension LocalParticipant {
                        captureOptions: AudioCaptureOptions? = nil,
                        publishOptions: AudioPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
-        try await set(source: .microphone,
-                      enabled: enabled,
-                      captureOptions: captureOptions,
-                      publishOptions: publishOptions)
+        try await _publishSerialRunner.run {
+            let room = try self.requireRoom()
+
+            // Try to get existing publication
+            if let publication = self.getTrackPublication(source: .microphone) as? LocalTrackPublication {
+                if enabled {
+                    try await publication.unmute()
+                    return publication
+                } else {
+                    try await publication.mute()
+                    return publication
+                }
+            } else if enabled {
+                let localTrack = LocalAudioTrack.createTrack(options: captureOptions ?? room._state.roomOptions.defaultAudioCaptureOptions,
+                                                             reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                return try await self._publish(track: localTrack, options: publishOptions)
+            }
+
+            return nil
+        }
     }
 
     /// Enable or disable screen sharing. This has different behavior depending on the platform.
@@ -335,80 +368,84 @@ public extension LocalParticipant {
     /// For advanced usage, you can create a relevant ``LocalVideoTrack`` and call ``LocalParticipant/publishVideoTrack(track:publishOptions:)``.
     @objc
     @discardableResult
-    func setScreenShare(enabled: Bool) async throws -> LocalTrackPublication? {
-        try await set(source: .screenShareVideo, enabled: enabled)
-    }
-
-    @objc
-    @discardableResult
-    func set(source: Track.Source,
-             enabled: Bool,
-             captureOptions: CaptureOptions? = nil,
-             publishOptions: TrackPublishOptions? = nil) async throws -> LocalTrackPublication?
+    func setScreenShare(enabled: Bool,
+                        captureOptions: ScreenShareCaptureOptions? = nil,
+                        publishOptions: VideoPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
         try await _publishSerialRunner.run {
             let room = try self.requireRoom()
 
             // Try to get existing publication
-            if let publication = self.getTrackPublication(source: source) as? LocalTrackPublication {
+            if let publication = self.getTrackPublication(source: .screenShareVideo) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
                     return publication
                 } else {
-                    if source == .camera || source == .microphone {
-                        try await publication.mute()
-                    } else {
-                        try await self.unpublish(publication: publication)
-                    }
+                    try await self.unpublish(publication: publication)
                     return publication
                 }
             } else if enabled {
-                // Try to create a new track
-                if source == .camera {
-                    let localTrack = LocalVideoTrack.createCameraTrack(options: (captureOptions as? CameraCaptureOptions) ?? room._state.roomOptions.defaultCameraCaptureOptions,
-                                                                       reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                    return try await self._publish(track: localTrack, options: publishOptions)
-                } else if source == .microphone {
-                    let localTrack = LocalAudioTrack.createTrack(options: (captureOptions as? AudioCaptureOptions) ?? room._state.roomOptions.defaultAudioCaptureOptions,
-                                                                 reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                    return try await self._publish(track: localTrack, options: publishOptions)
-                } else if source == .screenShareVideo {
-                    #if os(iOS)
-
-                    let localTrack: LocalVideoTrack
-                    let defaultOptions = room._state.roomOptions.defaultScreenShareCaptureOptions
-
-                    if defaultOptions.useBroadcastExtension {
-                        if captureOptions != nil {
-                            logger.warning("Ignoring screen capture options passed to local participant's `\(#function)`; using room defaults instead.")
-                            logger.warning("When using a broadcast extension, screen capture options must be set as room defaults.")
-                        }
-                        guard BroadcastManager.shared.isBroadcasting else {
-                            BroadcastManager.shared.requestActivation()
-                            return nil
-                        }
-                        // Wait until broadcasting to publish track
-                        localTrack = LocalVideoTrack.createBroadcastScreenCapturerTrack(options: defaultOptions)
-                    } else {
-                        let options = (captureOptions as? ScreenShareCaptureOptions) ?? defaultOptions
-                        localTrack = LocalVideoTrack.createInAppScreenShareTrack(options: options)
+                #if os(iOS)
+
+                let localTrack: LocalVideoTrack
+                let defaultOptions = room._state.roomOptions.defaultScreenShareCaptureOptions
+
+                if defaultOptions.useBroadcastExtension {
+                    if captureOptions != nil {
+                        logger.warning("Ignoring screen capture options passed to local participant's `\(#function)`; using room defaults instead.")
+                        logger.warning("When using a broadcast extension, screen capture options must be set as room defaults.")
                     }
-                    return try await self._publish(track: localTrack, options: publishOptions)
-                    #elseif os(macOS)
-                    if #available(macOS 12.3, *) {
-                        let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
-                        let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
-                                                                                options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
-                                                                                reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                        return try await self._publish(track: track, options: publishOptions)
+                    guard BroadcastManager.shared.isBroadcasting else {
+                        BroadcastManager.shared.requestActivation()
+                        return nil
                     }
-                    #endif
+                    // Wait until broadcasting to publish track
+                    localTrack = LocalVideoTrack.createBroadcastScreenCapturerTrack(options: defaultOptions)
+                } else {
+                    let options = captureOptions ?? defaultOptions
+                    localTrack = LocalVideoTrack.createInAppScreenShareTrack(options: options)
+                }
+                return try await self._publish(track: localTrack, options: publishOptions)
+                #elseif os(macOS)
+                if #available(macOS 12.3, *) {
+                    let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
+                    let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
+                                                                            options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
+                                                                            reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                    return try await self._publish(track: track, options: publishOptions)
                 }
+                #endif
             }
 
             return nil
         }
     }
+
+    @available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
+    @objc
+    @discardableResult
+    func set(source: Track.Source,
+             enabled: Bool,
+             captureOptions: CaptureOptions? = nil,
+             publishOptions: TrackPublishOptions? = nil) async throws -> LocalTrackPublication?
+    {
+        switch source {
+        case .camera:
+            try await setCamera(enabled: enabled,
+                                captureOptions: captureOptions as? CameraCaptureOptions,
+                                publishOptions: publishOptions as? VideoPublishOptions)
+        case .microphone:
+            try await setMicrophone(enabled: enabled,
+                                    captureOptions: captureOptions as? AudioCaptureOptions,
+                                    publishOptions: publishOptions as? AudioPublishOptions)
+        case .screenShareVideo:
+            try await setScreenShare(enabled: enabled,
+                                     captureOptions: captureOptions as? ScreenShareCaptureOptions,
+                                     publishOptions: publishOptions as? VideoPublishOptions)
+        default:
+            nil
+        }
+    }
 }
 
 // MARK: - Simulcast codecs
diff --git a/Sources/LiveKit/Protocols/VideoViewDelegate.swift b/Sources/LiveKit/Protocols/VideoViewDelegate.swift
index 3089f81b3..25f2da248 100644
--- a/Sources/LiveKit/Protocols/VideoViewDelegate.swift
+++ b/Sources/LiveKit/Protocols/VideoViewDelegate.swift
@@ -18,6 +18,7 @@ import Foundation
 
 internal import LiveKitWebRTC
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @objc
 public protocol VideoViewDelegate: AnyObject, Sendable {
     /// Dimensions of the VideoView itself has updated
diff --git a/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift b/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
index ec20a5e44..bc2f622cc 100644
--- a/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
+++ b/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
@@ -19,6 +19,7 @@ import SwiftUI
 
 /// A ``VideoView`` that can be used in SwiftUI.
 /// Supports both iOS and macOS.
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public struct SwiftUIVideoView: NativeViewRepresentable {
     public typealias ViewType = VideoView
 
@@ -80,6 +81,7 @@ public struct SwiftUIVideoView: NativeViewRepresentable {
 }
 
 /// This class receives ``VideoViewDelegate`` events since a struct can't be used for a delegate
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @MainActor
 class VideoViewDelegateReceiver: VideoViewDelegate, Loggable {
     @Binding var isRendering: Bool
diff --git a/Sources/LiveKit/Track/Capturers/CameraCapturer.swift b/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
index 3914a014e..a29a86d6c 100644
--- a/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
+++ b/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
@@ -23,6 +23,7 @@ import ReplayKit
 
 internal import LiveKitWebRTC
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public class CameraCapturer: VideoCapturer, @unchecked Sendable {
     /// Current device used for capturing
     @objc
@@ -261,6 +262,7 @@ public class CameraCapturer: VideoCapturer, @unchecked Sendable {
     }
 }
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 class VideoCapturerDelegateAdapter: NSObject, LKRTCVideoCapturerDelegate, Loggable {
     weak var cameraCapturer: CameraCapturer?
 
@@ -284,6 +286,7 @@ class VideoCapturerDelegateAdapter: NSObject, LKRTCVideoCapturerDelegate, Loggab
     }
 }
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public extension LocalVideoTrack {
     @objc
     static func createCameraTrack() -> LocalVideoTrack {
diff --git a/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift b/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
index e78dd9cc0..9582a3d80 100644
--- a/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
+++ b/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
@@ -16,6 +16,7 @@
 
 import Foundation
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView: MulticastDelegateProtocol {
     @objc(addDelegate:)
     public nonisolated func add(delegate: VideoViewDelegate) {
diff --git a/Sources/LiveKit/Views/VideoView+PinchToZoom.swift b/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
index b8f855b5b..8540ea9a2 100644
--- a/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
+++ b/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
@@ -16,6 +16,7 @@
 
 internal import LiveKitWebRTC
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     static let rampRate: Float = 32.0
     /// Options for pinch to zoom in / out feature.
diff --git a/Sources/LiveKit/Views/VideoView.swift b/Sources/LiveKit/Views/VideoView.swift
index 2614504cb..0957b0f5b 100644
--- a/Sources/LiveKit/Views/VideoView.swift
+++ b/Sources/LiveKit/Views/VideoView.swift
@@ -22,6 +22,7 @@ internal import LiveKitWebRTC
 /// A ``NativeViewType`` that conforms to ``RTCVideoRenderer``.
 typealias NativeRendererView = LKRTCVideoRenderer & Mirrorable & NativeViewType
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @objc
 public class VideoView: NativeView, Loggable {
     // MARK: - MulticastDelegate
@@ -515,6 +516,7 @@ public class VideoView: NativeView, Loggable {
 
 // MARK: - Private
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @MainActor
 private extension VideoView {
     private func ensureDebugTextView() -> TextView {
@@ -583,6 +585,7 @@ private extension VideoView {
 
 // MARK: - RTCVideoRenderer
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView: VideoRenderer {
     public var isAdaptiveStreamEnabled: Bool {
         _state.read { $0.didLayout && !$0.isHidden && $0.isEnabled }
@@ -732,6 +735,7 @@ extension VideoView: VideoRenderer {
 
 // MARK: - Internal
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     nonisolated static func track(_ track1: VideoTrack?, isEqualWith track2: VideoTrack?) -> Bool {
         // equal if both tracks are nil
@@ -745,6 +749,7 @@ extension VideoView {
 
 // MARK: - Static helper methods
 
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     public static func isMetalAvailable() -> Bool {
         #if os(iOS)
@@ -834,6 +839,7 @@ extension NSView {
 #endif
 
 #if os(iOS) || os(macOS)
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension LKRTCMTLVideoView: Mirrorable {
     func set(isMirrored: Bool) {
         if isMirrored {
@@ -857,6 +863,7 @@ extension LKRTCMTLVideoView: Mirrorable {
 #endif
 
 #if os(iOS)
+@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView.TransitionMode {
     func toAnimationOption(fromPosition position: AVCaptureDevice.Position? = nil) -> UIView.AnimationOptions? {
         switch self {

From 174711fee92249de02254511a9b059e790dbaa51 Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Mon, 13 Oct 2025 00:07:22 +0800
Subject: [PATCH 2/7] Clean up

---
 Sources/LiveKit/Participant/LocalParticipant.swift | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/Sources/LiveKit/Participant/LocalParticipant.swift b/Sources/LiveKit/Participant/LocalParticipant.swift
index 9b1886d95..595d54ab9 100644
--- a/Sources/LiveKit/Participant/LocalParticipant.swift
+++ b/Sources/LiveKit/Participant/LocalParticipant.swift
@@ -314,11 +314,10 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .camera) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
-                    return publication
                 } else {
                     try await publication.mute()
-                    return publication
                 }
+                return publication
             } else if enabled {
                 let localTrack = LocalVideoTrack.createCameraTrack(options: captureOptions ?? room._state.roomOptions.defaultCameraCaptureOptions,
                                                                    reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
@@ -342,11 +341,10 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .microphone) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
-                    return publication
                 } else {
                     try await publication.mute()
-                    return publication
                 }
+                return publication
             } else if enabled {
                 let localTrack = LocalAudioTrack.createTrack(options: captureOptions ?? room._state.roomOptions.defaultAudioCaptureOptions,
                                                              reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
@@ -379,11 +377,10 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .screenShareVideo) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
-                    return publication
                 } else {
                     try await self.unpublish(publication: publication)
-                    return publication
                 }
+                return publication
             } else if enabled {
                 #if os(iOS)
 
@@ -410,7 +407,7 @@ public extension LocalParticipant {
                 if #available(macOS 12.3, *) {
                     let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
                     let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
-                                                                            options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
+                                                                            options: captureOptions ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
                                                                             reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
                     return try await self._publish(track: track, options: publishOptions)
                 }

From 7da6c8e6b9aac52b650918013598e533e0a94cb7 Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Tue, 14 Oct 2025 02:45:08 +0800
Subject: [PATCH 3/7] Revert "Clean up"

This reverts commit 174711fee92249de02254511a9b059e790dbaa51.
---
 Sources/LiveKit/Participant/LocalParticipant.swift | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Sources/LiveKit/Participant/LocalParticipant.swift b/Sources/LiveKit/Participant/LocalParticipant.swift
index 595d54ab9..9b1886d95 100644
--- a/Sources/LiveKit/Participant/LocalParticipant.swift
+++ b/Sources/LiveKit/Participant/LocalParticipant.swift
@@ -314,10 +314,11 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .camera) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
+                    return publication
                 } else {
                     try await publication.mute()
+                    return publication
                 }
-                return publication
             } else if enabled {
                 let localTrack = LocalVideoTrack.createCameraTrack(options: captureOptions ?? room._state.roomOptions.defaultCameraCaptureOptions,
                                                                    reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
@@ -341,10 +342,11 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .microphone) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
+                    return publication
                 } else {
                     try await publication.mute()
+                    return publication
                 }
-                return publication
             } else if enabled {
                 let localTrack = LocalAudioTrack.createTrack(options: captureOptions ?? room._state.roomOptions.defaultAudioCaptureOptions,
                                                              reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
@@ -377,10 +379,11 @@ public extension LocalParticipant {
             if let publication = self.getTrackPublication(source: .screenShareVideo) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
+                    return publication
                 } else {
                     try await self.unpublish(publication: publication)
+                    return publication
                 }
-                return publication
             } else if enabled {
                 #if os(iOS)
 
@@ -407,7 +410,7 @@ public extension LocalParticipant {
                 if #available(macOS 12.3, *) {
                     let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
                     let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
-                                                                            options: captureOptions ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
+                                                                            options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
                                                                             reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
                     return try await self._publish(track: track, options: publishOptions)
                 }

From f8839d4b3f6bbd2a76949b9282161837a8b63cff Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Tue, 14 Oct 2025 02:45:14 +0800
Subject: [PATCH 4/7] Revert "Fixes"

This reverts commit 020681756565727ad6dcac76d660ff3f40353d56.
---
 .../Extensions/CustomStringConvertible.swift  |   2 -
 .../Participant/LocalParticipant.swift        | 161 +++++++-----------
 .../LiveKit/Protocols/VideoViewDelegate.swift |   1 -
 .../LiveKit/SwiftUI/SwiftUIVideoView.swift    |   2 -
 .../Track/Capturers/CameraCapturer.swift      |   3 -
 .../Views/VideoView+MulticastDelegate.swift   |   1 -
 .../LiveKit/Views/VideoView+PinchToZoom.swift |   1 -
 Sources/LiveKit/Views/VideoView.swift         |   7 -
 8 files changed, 62 insertions(+), 116 deletions(-)

diff --git a/Sources/LiveKit/Extensions/CustomStringConvertible.swift b/Sources/LiveKit/Extensions/CustomStringConvertible.swift
index 354fa5d18..3bea77f34 100644
--- a/Sources/LiveKit/Extensions/CustomStringConvertible.swift
+++ b/Sources/LiveKit/Extensions/CustomStringConvertible.swift
@@ -156,14 +156,12 @@ extension Livekit_SignalResponse: CustomStringConvertible {
 
 // MARK: - NativeView
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public extension VideoView {
     override var description: String {
         "VideoView(track: \(String(describing: track)))"
     }
 }
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView.RenderMode: CustomStringConvertible {
     public var description: String {
         switch self {
diff --git a/Sources/LiveKit/Participant/LocalParticipant.swift b/Sources/LiveKit/Participant/LocalParticipant.swift
index 9b1886d95..da3a89583 100644
--- a/Sources/LiveKit/Participant/LocalParticipant.swift
+++ b/Sources/LiveKit/Participant/LocalParticipant.swift
@@ -300,33 +300,16 @@ extension LocalParticipant {
 // MARK: - Simplified API
 
 public extension LocalParticipant {
-    @available(iOSApplicationExtension, unavailable, message: "Camera capture is not available in app extensions")
     @objc
     @discardableResult
     func setCamera(enabled: Bool,
                    captureOptions: CameraCaptureOptions? = nil,
                    publishOptions: VideoPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
-        try await _publishSerialRunner.run {
-            let room = try self.requireRoom()
-
-            // Try to get existing publication
-            if let publication = self.getTrackPublication(source: .camera) as? LocalTrackPublication {
-                if enabled {
-                    try await publication.unmute()
-                    return publication
-                } else {
-                    try await publication.mute()
-                    return publication
-                }
-            } else if enabled {
-                let localTrack = LocalVideoTrack.createCameraTrack(options: captureOptions ?? room._state.roomOptions.defaultCameraCaptureOptions,
-                                                                   reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                return try await self._publish(track: localTrack, options: publishOptions)
-            }
-
-            return nil
-        }
+        try await set(source: .camera,
+                      enabled: enabled,
+                      captureOptions: captureOptions,
+                      publishOptions: publishOptions)
     }
 
     @objc
@@ -335,26 +318,10 @@ public extension LocalParticipant {
                        captureOptions: AudioCaptureOptions? = nil,
                        publishOptions: AudioPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
-        try await _publishSerialRunner.run {
-            let room = try self.requireRoom()
-
-            // Try to get existing publication
-            if let publication = self.getTrackPublication(source: .microphone) as? LocalTrackPublication {
-                if enabled {
-                    try await publication.unmute()
-                    return publication
-                } else {
-                    try await publication.mute()
-                    return publication
-                }
-            } else if enabled {
-                let localTrack = LocalAudioTrack.createTrack(options: captureOptions ?? room._state.roomOptions.defaultAudioCaptureOptions,
-                                                             reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                return try await self._publish(track: localTrack, options: publishOptions)
-            }
-
-            return nil
-        }
+        try await set(source: .microphone,
+                      enabled: enabled,
+                      captureOptions: captureOptions,
+                      publishOptions: publishOptions)
     }
 
     /// Enable or disable screen sharing. This has different behavior depending on the platform.
@@ -368,84 +335,80 @@ public extension LocalParticipant {
     /// For advanced usage, you can create a relevant ``LocalVideoTrack`` and call ``LocalParticipant/publishVideoTrack(track:publishOptions:)``.
     @objc
     @discardableResult
-    func setScreenShare(enabled: Bool,
-                        captureOptions: ScreenShareCaptureOptions? = nil,
-                        publishOptions: VideoPublishOptions? = nil) async throws -> LocalTrackPublication?
+    func setScreenShare(enabled: Bool) async throws -> LocalTrackPublication? {
+        try await set(source: .screenShareVideo, enabled: enabled)
+    }
+
+    @objc
+    @discardableResult
+    func set(source: Track.Source,
+             enabled: Bool,
+             captureOptions: CaptureOptions? = nil,
+             publishOptions: TrackPublishOptions? = nil) async throws -> LocalTrackPublication?
     {
         try await _publishSerialRunner.run {
             let room = try self.requireRoom()
 
             // Try to get existing publication
-            if let publication = self.getTrackPublication(source: .screenShareVideo) as? LocalTrackPublication {
+            if let publication = self.getTrackPublication(source: source) as? LocalTrackPublication {
                 if enabled {
                     try await publication.unmute()
                     return publication
                 } else {
-                    try await self.unpublish(publication: publication)
+                    if source == .camera || source == .microphone {
+                        try await publication.mute()
+                    } else {
+                        try await self.unpublish(publication: publication)
+                    }
                     return publication
                 }
             } else if enabled {
-                #if os(iOS)
-
-                let localTrack: LocalVideoTrack
-                let defaultOptions = room._state.roomOptions.defaultScreenShareCaptureOptions
-
-                if defaultOptions.useBroadcastExtension {
-                    if captureOptions != nil {
-                        logger.warning("Ignoring screen capture options passed to local participant's `\(#function)`; using room defaults instead.")
-                        logger.warning("When using a broadcast extension, screen capture options must be set as room defaults.")
+                // Try to create a new track
+                if source == .camera {
+                    let localTrack = LocalVideoTrack.createCameraTrack(options: (captureOptions as? CameraCaptureOptions) ?? room._state.roomOptions.defaultCameraCaptureOptions,
+                                                                       reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                    return try await self._publish(track: localTrack, options: publishOptions)
+                } else if source == .microphone {
+                    let localTrack = LocalAudioTrack.createTrack(options: (captureOptions as? AudioCaptureOptions) ?? room._state.roomOptions.defaultAudioCaptureOptions,
+                                                                 reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                    return try await self._publish(track: localTrack, options: publishOptions)
+                } else if source == .screenShareVideo {
+                    #if os(iOS)
+
+                    let localTrack: LocalVideoTrack
+                    let defaultOptions = room._state.roomOptions.defaultScreenShareCaptureOptions
+
+                    if defaultOptions.useBroadcastExtension {
+                        if captureOptions != nil {
+                            logger.warning("Ignoring screen capture options passed to local participant's `\(#function)`; using room defaults instead.")
+                            logger.warning("When using a broadcast extension, screen capture options must be set as room defaults.")
+                        }
+                        guard BroadcastManager.shared.isBroadcasting else {
+                            BroadcastManager.shared.requestActivation()
+                            return nil
+                        }
+                        // Wait until broadcasting to publish track
+                        localTrack = LocalVideoTrack.createBroadcastScreenCapturerTrack(options: defaultOptions)
+                    } else {
+                        let options = (captureOptions as? ScreenShareCaptureOptions) ?? defaultOptions
+                        localTrack = LocalVideoTrack.createInAppScreenShareTrack(options: options)
                     }
-                    guard BroadcastManager.shared.isBroadcasting else {
-                        BroadcastManager.shared.requestActivation()
-                        return nil
+                    return try await self._publish(track: localTrack, options: publishOptions)
+                    #elseif os(macOS)
+                    if #available(macOS 12.3, *) {
+                        let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
+                        let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
+                                                                                options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
+                                                                                reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
+                        return try await self._publish(track: track, options: publishOptions)
                     }
-                    // Wait until broadcasting to publish track
-                    localTrack = LocalVideoTrack.createBroadcastScreenCapturerTrack(options: defaultOptions)
-                } else {
-                    let options = captureOptions ?? defaultOptions
-                    localTrack = LocalVideoTrack.createInAppScreenShareTrack(options: options)
-                }
-                return try await self._publish(track: localTrack, options: publishOptions)
-                #elseif os(macOS)
-                if #available(macOS 12.3, *) {
-                    let mainDisplay = try await MacOSScreenCapturer.mainDisplaySource()
-                    let track = LocalVideoTrack.createMacOSScreenShareTrack(source: mainDisplay,
-                                                                            options: (captureOptions as? ScreenShareCaptureOptions) ?? room._state.roomOptions.defaultScreenShareCaptureOptions,
-                                                                            reportStatistics: room._state.roomOptions.reportRemoteTrackStatistics)
-                    return try await self._publish(track: track, options: publishOptions)
+                    #endif
                 }
-                #endif
             }
 
             return nil
         }
     }
-
-    @available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
-    @objc
-    @discardableResult
-    func set(source: Track.Source,
-             enabled: Bool,
-             captureOptions: CaptureOptions? = nil,
-             publishOptions: TrackPublishOptions? = nil) async throws -> LocalTrackPublication?
-    {
-        switch source {
-        case .camera:
-            try await setCamera(enabled: enabled,
-                                captureOptions: captureOptions as? CameraCaptureOptions,
-                                publishOptions: publishOptions as? VideoPublishOptions)
-        case .microphone:
-            try await setMicrophone(enabled: enabled,
-                                    captureOptions: captureOptions as? AudioCaptureOptions,
-                                    publishOptions: publishOptions as? AudioPublishOptions)
-        case .screenShareVideo:
-            try await setScreenShare(enabled: enabled,
-                                     captureOptions: captureOptions as? ScreenShareCaptureOptions,
-                                     publishOptions: publishOptions as? VideoPublishOptions)
-        default:
-            nil
-        }
-    }
 }
 
 // MARK: - Simulcast codecs
diff --git a/Sources/LiveKit/Protocols/VideoViewDelegate.swift b/Sources/LiveKit/Protocols/VideoViewDelegate.swift
index 25f2da248..3089f81b3 100644
--- a/Sources/LiveKit/Protocols/VideoViewDelegate.swift
+++ b/Sources/LiveKit/Protocols/VideoViewDelegate.swift
@@ -18,7 +18,6 @@ import Foundation
 
 internal import LiveKitWebRTC
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @objc
 public protocol VideoViewDelegate: AnyObject, Sendable {
     /// Dimensions of the VideoView itself has updated
diff --git a/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift b/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
index bc2f622cc..ec20a5e44 100644
--- a/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
+++ b/Sources/LiveKit/SwiftUI/SwiftUIVideoView.swift
@@ -19,7 +19,6 @@ import SwiftUI
 
 /// A ``VideoView`` that can be used in SwiftUI.
 /// Supports both iOS and macOS.
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public struct SwiftUIVideoView: NativeViewRepresentable {
     public typealias ViewType = VideoView
 
@@ -81,7 +80,6 @@ public struct SwiftUIVideoView: NativeViewRepresentable {
 }
 
 /// This class receives ``VideoViewDelegate`` events since a struct can't be used for a delegate
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @MainActor
 class VideoViewDelegateReceiver: VideoViewDelegate, Loggable {
     @Binding var isRendering: Bool
diff --git a/Sources/LiveKit/Track/Capturers/CameraCapturer.swift b/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
index a29a86d6c..3914a014e 100644
--- a/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
+++ b/Sources/LiveKit/Track/Capturers/CameraCapturer.swift
@@ -23,7 +23,6 @@ import ReplayKit
 
 internal import LiveKitWebRTC
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public class CameraCapturer: VideoCapturer, @unchecked Sendable {
     /// Current device used for capturing
     @objc
@@ -262,7 +261,6 @@ public class CameraCapturer: VideoCapturer, @unchecked Sendable {
     }
 }
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 class VideoCapturerDelegateAdapter: NSObject, LKRTCVideoCapturerDelegate, Loggable {
     weak var cameraCapturer: CameraCapturer?
 
@@ -286,7 +284,6 @@ class VideoCapturerDelegateAdapter: NSObject, LKRTCVideoCapturerDelegate, Loggab
     }
 }
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 public extension LocalVideoTrack {
     @objc
     static func createCameraTrack() -> LocalVideoTrack {
diff --git a/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift b/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
index 9582a3d80..e78dd9cc0 100644
--- a/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
+++ b/Sources/LiveKit/Views/VideoView+MulticastDelegate.swift
@@ -16,7 +16,6 @@
 
 import Foundation
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView: MulticastDelegateProtocol {
     @objc(addDelegate:)
     public nonisolated func add(delegate: VideoViewDelegate) {
diff --git a/Sources/LiveKit/Views/VideoView+PinchToZoom.swift b/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
index 8540ea9a2..b8f855b5b 100644
--- a/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
+++ b/Sources/LiveKit/Views/VideoView+PinchToZoom.swift
@@ -16,7 +16,6 @@
 
 internal import LiveKitWebRTC
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     static let rampRate: Float = 32.0
     /// Options for pinch to zoom in / out feature.
diff --git a/Sources/LiveKit/Views/VideoView.swift b/Sources/LiveKit/Views/VideoView.swift
index 0957b0f5b..2614504cb 100644
--- a/Sources/LiveKit/Views/VideoView.swift
+++ b/Sources/LiveKit/Views/VideoView.swift
@@ -22,7 +22,6 @@ internal import LiveKitWebRTC
 /// A ``NativeViewType`` that conforms to ``RTCVideoRenderer``.
 typealias NativeRendererView = LKRTCVideoRenderer & Mirrorable & NativeViewType
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @objc
 public class VideoView: NativeView, Loggable {
     // MARK: - MulticastDelegate
@@ -516,7 +515,6 @@ public class VideoView: NativeView, Loggable {
 
 // MARK: - Private
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 @MainActor
 private extension VideoView {
     private func ensureDebugTextView() -> TextView {
@@ -585,7 +583,6 @@ private extension VideoView {
 
 // MARK: - RTCVideoRenderer
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView: VideoRenderer {
     public var isAdaptiveStreamEnabled: Bool {
         _state.read { $0.didLayout && !$0.isHidden && $0.isEnabled }
@@ -735,7 +732,6 @@ extension VideoView: VideoRenderer {
 
 // MARK: - Internal
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     nonisolated static func track(_ track1: VideoTrack?, isEqualWith track2: VideoTrack?) -> Bool {
         // equal if both tracks are nil
@@ -749,7 +745,6 @@ extension VideoView {
 
 // MARK: - Static helper methods
 
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView {
     public static func isMetalAvailable() -> Bool {
         #if os(iOS)
@@ -839,7 +834,6 @@ extension NSView {
 #endif
 
 #if os(iOS) || os(macOS)
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension LKRTCMTLVideoView: Mirrorable {
     func set(isMirrored: Bool) {
         if isMirrored {
@@ -863,7 +857,6 @@ extension LKRTCMTLVideoView: Mirrorable {
 #endif
 
 #if os(iOS)
-@available(iOSApplicationExtension, unavailable, message: "Not available in app extensions")
 extension VideoView.TransitionMode {
     func toAnimationOption(fromPosition position: AVCaptureDevice.Position? = nil) -> UIView.AnimationOptions? {
         switch self {

From f235fe17d050ac12cec25fed04aad7069ef6d77d Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Tue, 14 Oct 2025 16:29:30 +0800
Subject: [PATCH 5/7] Update lib ver 137.7151.10

---
 LiveKitClient.podspec   | 2 +-
 Package.swift           | 2 +-
 Package@swift-6.0.swift | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/LiveKitClient.podspec b/LiveKitClient.podspec
index b543526e7..60ddcd6f9 100644
--- a/LiveKitClient.podspec
+++ b/LiveKitClient.podspec
@@ -14,7 +14,7 @@ Pod::Spec.new do |spec|
 
   spec.source_files = "Sources/**/*"
 
-  spec.dependency("LiveKitWebRTC", "= 137.7151.09")
+  spec.dependency("LiveKitWebRTC", "= 137.7151.10")
   spec.dependency("SwiftProtobuf")
   spec.dependency("Logging", "= 1.5.4")
   spec.dependency("DequeModule", "= 1.1.4")
diff --git a/Package.swift b/Package.swift
index 336700972..d3488438c 100644
--- a/Package.swift
+++ b/Package.swift
@@ -19,7 +19,7 @@ let package = Package(
     ],
     dependencies: [
         // LK-Prefixed Dynamic WebRTC XCFramework
-        .package(url: "https://github.com/livekit/webrtc-xcframework.git", exact: "137.7151.09"),
+        .package(url: "https://github.com/livekit/webrtc-xcframework.git", exact: "137.7151.10"),
         .package(url: "https://github.com/apple/swift-protobuf.git", from: "1.31.0"),
         .package(url: "https://github.com/apple/swift-log.git", from: "1.6.2"),
         .package(url: "https://github.com/apple/swift-collections.git", "1.1.0" ..< "1.3.0"),
diff --git a/Package@swift-6.0.swift b/Package@swift-6.0.swift
index fffbb3abc..eb022d20c 100644
--- a/Package@swift-6.0.swift
+++ b/Package@swift-6.0.swift
@@ -20,7 +20,7 @@ let package = Package(
     ],
     dependencies: [
         // LK-Prefixed Dynamic WebRTC XCFramework
-        .package(url: "https://github.com/livekit/webrtc-xcframework.git", exact: "137.7151.09"),
+        .package(url: "https://github.com/livekit/webrtc-xcframework.git", exact: "137.7151.10"),
         .package(url: "https://github.com/apple/swift-protobuf.git", from: "1.31.0"),
         .package(url: "https://github.com/apple/swift-log.git", from: "1.6.2"),
         .package(url: "https://github.com/apple/swift-collections.git", "1.1.0" ..< "1.3.0"),

From b355183dd718c47e75d21b941c1cd56a6b28e69a Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Tue, 14 Oct 2025 20:11:40 +0800
Subject: [PATCH 6/7] Update ci.yaml

---
 .github/workflows/ci.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d6f45545b..5f88092a3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -63,6 +63,10 @@ jobs:
             xcode: latest
             platform: "iOS Simulator,name=iPhone 17 Pro,OS=26.0"
             symbol-graph: true
+          - os: macos-26
+            xcode: latest
+            platform: "iOS Simulator,name=iPhone 17 Pro,OS=26.0"
+            extension-api-only: true
           - os: macos-26
             xcode: latest
             platform: "macOS"
@@ -116,6 +120,7 @@ jobs:
             -destination 'platform=${{ matrix.platform }}' \
             -enableAddressSanitizer ${{ matrix.asan == true && 'YES' || 'NO' }} \
             -enableThreadSanitizer ${{ matrix.tsan == true && 'YES' || 'NO' }} \
+            APPLICATION_EXTENSION_API_ONLY=${{ matrix.extension-api-only == true && 'YES' || 'NO' }} \
             | xcbeautify --renderer github-actions
 
       - name: Run Tests
@@ -134,6 +139,7 @@ jobs:
                 -destination 'platform=${{ matrix.platform }}' \
                 -enableAddressSanitizer ${{ matrix.asan == true && 'YES' || 'NO' }} \
                 -enableThreadSanitizer ${{ matrix.tsan == true && 'YES' || 'NO' }} \
+                APPLICATION_EXTENSION_API_ONLY=${{ matrix.extension-api-only == true && 'YES' || 'NO' }} \
                 -only-testing:$test \
                 -parallel-testing-enabled YES \
                 | xcbeautify --renderer github-actions
@@ -151,6 +157,7 @@ jobs:
             -scheme LiveKit \
             -configuration Release \
             -destination 'platform=${{ matrix.platform }}'  \
+            APPLICATION_EXTENSION_API_ONLY=${{ matrix.extension-api-only == true && 'YES' || 'NO' }} \
             OTHER_SWIFT_FLAGS="-Xfrontend -emit-symbol-graph\
                                -Xfrontend -emit-symbol-graph-dir\
                                -Xfrontend \"${PWD}/symbol-graph\"" \

From 14002416f8d48e34bc0589fef8ecab9b5c586f17 Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Thu, 16 Oct 2025 14:01:43 +0700
Subject: [PATCH 7/7] changes

---
 .changes/fix-app-ext-compile | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 .changes/fix-app-ext-compile

diff --git a/.changes/fix-app-ext-compile b/.changes/fix-app-ext-compile
new file mode 100644
index 000000000..c2147d6ad
--- /dev/null
+++ b/.changes/fix-app-ext-compile
@@ -0,0 +1 @@
+patch type="fixed" "App extension compile issues"