diff --git a/Telegram/BUILD b/Telegram/BUILD
index 6086da8b83..e519409f89 100644
--- a/Telegram/BUILD
+++ b/Telegram/BUILD
@@ -251,9 +251,9 @@ official_bundle_ids = [
     "org.telegram.Telegram-iOS",
 ]
 
-apple_pay_merchants = []#official_apple_pay_merchants if telegram_bundle_id == "ph.telegra.Telegraph" else ""
+apple_pay_merchants = official_apple_pay_merchants if telegram_bundle_id == "ph.telegra.Telegraph" else []
 
-apple_pay_merchants_fragment = "" if apple_pay_merchants == "" else """
+apple_pay_merchants_fragment = "" if apple_pay_merchants == [] else """
 <key>com.apple.developer.in-app-payments</key>
 <array>
 """ + "\n".join([
@@ -1528,13 +1528,13 @@ ios_application(
         ":AppStringResources",
     ],
     extensions = [
-        #":ShareExtension",
-        #":NotificationContentExtension",
-        #":NotificationServiceExtension",
-        #":IntentsExtension",
-        #":WidgetExtension",
+        ":ShareExtension",
+        ":NotificationContentExtension",
+        ":NotificationServiceExtension",
+        ":IntentsExtension",
+        ":WidgetExtension",
     ],
-    #watch_application = ":TelegramWatchApp",
+    watch_application = ":TelegramWatchApp",
     deps = [
         ":Main",
         ":Lib",
diff --git a/build-system/xcode_version b/build-system/xcode_version
index b700dc1d47..40e6bd96a6 100644
--- a/build-system/xcode_version
+++ b/build-system/xcode_version
@@ -1 +1 @@
-12.0.1
+12.1
diff --git a/submodules/TelegramCallsUI/Sources/GroupCallController.swift b/submodules/TelegramCallsUI/Sources/GroupCallController.swift
index 59d1d7399d..fdf85d8b22 100644
--- a/submodules/TelegramCallsUI/Sources/GroupCallController.swift
+++ b/submodules/TelegramCallsUI/Sources/GroupCallController.swift
@@ -21,6 +21,9 @@ public final class GroupCallController: ViewController {
         private var isMutedDisposable: Disposable?
         private let audioSessionActive = Promise<Bool>(false)
         
+        private var incomingVideoStreamList: [String] = []
+        private var incomingVideoStreamListDisposable: Disposable?
+        
         private var memberCount: Int = 0
         private let memberCountNode: ImmediateTextNode
         
@@ -28,6 +31,8 @@ public final class GroupCallController: ViewController {
         private let isMutedNode: ImmediateTextNode
         private let muteButton: HighlightableButtonNode
         
+        private var videoViews: [OngoingCallContextPresentationCallVideoView] = []
+        
         private var validLayout: ContainerViewLayout?
         
         init(context: AccountContext) {
@@ -77,6 +82,34 @@ public final class GroupCallController: ViewController {
                 }
             })
             
+            self.incomingVideoStreamListDisposable = (callContext.videoStreamList
+            |> deliverOnMainQueue).start(next: { [weak self] value in
+                guard let strongSelf = self else {
+                    return
+                }
+                var addedStreamIds: [String] = []
+                for id in value {
+                    if !strongSelf.incomingVideoStreamList.contains(id) {
+                        addedStreamIds.append(id)
+                    }
+                }
+                strongSelf.incomingVideoStreamList = value
+                
+                for id in addedStreamIds {
+                    callContext.makeIncomingVideoView(id: id, completion: { videoView in
+                        guard let strongSelf = self, let videoView = videoView else {
+                            return
+                        }
+                        strongSelf.videoViews.append(videoView)
+                        videoView.view.backgroundColor = .black
+                        strongSelf.view.addSubview(videoView.view)
+                        if let layout = strongSelf.validLayout {
+                            strongSelf.containerLayoutUpdated(layout, transition: .immediate)
+                        }
+                    })
+                }
+            })
+            
             self.isMutedDisposable = (callContext.isMuted
             |> deliverOnMainQueue).start(next: { [weak self] value in
                 guard let strongSelf = self else {
@@ -94,6 +127,7 @@ public final class GroupCallController: ViewController {
         deinit {
             self.callDisposable?.dispose()
             self.memberCountDisposable?.dispose()
+            self.incomingVideoStreamListDisposable?.dispose()
         }
         
         @objc private func muteButtonPressed() {
@@ -116,6 +150,17 @@ public final class GroupCallController: ViewController {
             let isMutedFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - isMutedSize.width) / 2.0), y: textFrame.maxY + 12.0), size: isMutedSize)
             transition.updateFrame(node: self.muteButton, frame: isMutedFrame)
             self.isMutedNode.frame = CGRect(origin: CGPoint(), size: isMutedFrame.size)
+            
+            let videoSize = CGSize(width: 200.0, height: 360.0)
+            var nextVideoOrigin = CGPoint()
+            for videoView in self.videoViews {
+                videoView.view.frame = CGRect(origin: nextVideoOrigin, size: videoSize)
+                nextVideoOrigin.x += videoSize.width
+                if nextVideoOrigin.x + videoSize.width > layout.size.width {
+                    nextVideoOrigin.x = 0.0
+                    nextVideoOrigin.y += videoSize.height
+                }
+            }
         }
     }
     
diff --git a/submodules/TelegramVoip/Sources/GroupCallContext.swift b/submodules/TelegramVoip/Sources/GroupCallContext.swift
index ed915a8cc6..9ce189cfcc 100644
--- a/submodules/TelegramVoip/Sources/GroupCallContext.swift
+++ b/submodules/TelegramVoip/Sources/GroupCallContext.swift
@@ -501,9 +501,15 @@ private extension ConferenceDescription.Content.Channel.PayloadType {
             [
                 "type": "transport-cc"
             ] as [String: Any],
-            /*[
+            [
+                "type": "ccm fir"
+            ] as [String: Any],
+            [
                 "type": "nack"
-            ] as [String: Any]*/
+            ] as [String: Any],
+            [
+                "type": "nack pli"
+            ] as [String: Any],
         ] as [Any]
         if let parameters = self.parameters {
             result["parameters"] = parameters
@@ -782,7 +788,7 @@ private extension ConferenceDescription {
                     appendSdp("a=ssrc:\(stream.audioSsrc) label:audio\(stream.audioSsrc)")
                 }
                 
-                appendSdp("m=video \(stream.isMain ? "1" : "0") RTP/SAVPF 100")
+                appendSdp("m=video 0 RTP/SAVPF 100")
                 appendSdp("a=mid:video\(stream.videoSsrc)")
                 if stream.isRemoved {
                     appendSdp("a=inactive")
@@ -809,6 +815,11 @@ private extension ConferenceDescription {
                     appendSdp("a=rtcp-fb:100 nack")
                     appendSdp("a=rtcp-fb:100 nack pli")
                     
+                    if stream.isMain {
+                        appendSdp("a=sendrecv")
+                    } else {
+                        appendSdp("a=sendonly")
+                    }
                     appendSdp("a=bundle-only")
                     
                     appendSdp("a=ssrc-group:FID \(stream.videoSsrc)")
@@ -1026,9 +1037,6 @@ private extension ConferenceDescription {
                         [
                             "type": "transport-cc"
                         ] as [String: Any],
-                        /*[
-                            "type": "nack"
-                        ] as [String: Any]*/
                     ] as [Any]
                 ]
             ),
@@ -1075,9 +1083,15 @@ private extension ConferenceDescription {
                         [
                             "type": "transport-cc"
                         ] as [String: Any],
+                        [
+                            "type": "ccm fir"
+                        ] as [String: Any],
                         [
                             "type": "nack"
-                        ] as [String: Any]
+                        ] as [String: Any],
+                        [
+                            "type": "nack pli"
+                        ] as [String: Any],
                     ] as [Any]
                 ]
             )
@@ -1263,6 +1277,7 @@ public final class GroupCallContext {
         private var localTransport: ConferenceDescription.Transport?
         
         let memberCount = ValuePromise<Int>(0, ignoreRepeated: true)
+        let videoStreamList = ValuePromise<[String]>([], ignoreRepeated: true)
         
         private var isMutedValue: Bool = false
         let isMuted = ValuePromise<Bool>(false, ignoreRepeated: true)
@@ -1271,14 +1286,20 @@ public final class GroupCallContext {
             self.queue = queue
             
             self.sessionId = UInt32.random(in: 0 ..< UInt32(Int32.max))
-            self.colibriHost = "192.168.8.118"
+            self.colibriHost = "192.168.93.24"
             
             var relaySdpAnswerImpl: ((String) -> Void)?
             
+            let videoStreamList = self.videoStreamList
+            
             self.context = GroupCallThreadLocalContext(queue: ContextQueueImpl(queue: queue), relaySdpAnswer: { sdpAnswer in
                 queue.async {
                     relaySdpAnswerImpl?(sdpAnswer)
                 }
+            }, incomingVideoStreamListUpdated: { streamList in
+                queue.async {
+                    videoStreamList.set(streamList)
+                }
             }, videoCapturer: video?.impl)
             
             relaySdpAnswerImpl = { [weak self] sdpAnswer in
@@ -1595,6 +1616,45 @@ public final class GroupCallContext {
             self.isMuted.set(self.isMutedValue)
             self.context.setIsMuted(self.isMutedValue)
         }
+        
+        func makeIncomingVideoView(id: String, completion: @escaping (OngoingCallContextPresentationCallVideoView?) -> Void) {
+            self.context.makeIncomingVideoView(withStreamId: id, completion: { view in
+                if let view = view {
+                    completion(OngoingCallContextPresentationCallVideoView(
+                        view: view,
+                        setOnFirstFrameReceived: { [weak view] f in
+                            view?.setOnFirstFrameReceived(f)
+                        },
+                        getOrientation: { [weak view] in
+                            if let view = view {
+                                return OngoingCallVideoOrientation(view.orientation)
+                            } else {
+                                return .rotation0
+                            }
+                        },
+                        getAspect: { [weak view] in
+                            if let view = view {
+                                return view.aspect
+                            } else {
+                                return 0.0
+                            }
+                        },
+                        setOnOrientationUpdated: { [weak view] f in
+                            view?.setOnOrientationUpdated { value, aspect in
+                                f?(OngoingCallVideoOrientation(value), aspect)
+                            }
+                        },
+                        setOnIsMirroredUpdated: { [weak view] f in
+                            view?.setOnIsMirroredUpdated { value in
+                                f?(value)
+                            }
+                        }
+                    ))
+                } else {
+                    completion(nil)
+                }
+            })
+        }
     }
     
     private let queue = Queue()
@@ -1619,6 +1679,18 @@ public final class GroupCallContext {
         }
     }
     
+    public var videoStreamList: Signal<[String], NoError> {
+        return Signal { subscriber in
+            let disposable = MetaDisposable()
+            self.impl.with { impl in
+                disposable.set(impl.videoStreamList.get().start(next: { value in
+                    subscriber.putNext(value)
+                }))
+            }
+            return disposable
+        }
+    }
+    
     public var isMuted: Signal<Bool, NoError> {
         return Signal { subscriber in
             let disposable = MetaDisposable()
@@ -1636,5 +1708,11 @@ public final class GroupCallContext {
             impl.toggleIsMuted()
         }
     }
+    
+    public func makeIncomingVideoView(id: String, completion: @escaping (OngoingCallContextPresentationCallVideoView?) -> Void) {
+        self.impl.with { impl in
+            impl.makeIncomingVideoView(id: id, completion: completion)
+        }
+    }
 }
 
diff --git a/submodules/TelegramVoip/Sources/OngoingCallContext.swift b/submodules/TelegramVoip/Sources/OngoingCallContext.swift
index 564317977c..606beeb2d9 100644
--- a/submodules/TelegramVoip/Sources/OngoingCallContext.swift
+++ b/submodules/TelegramVoip/Sources/OngoingCallContext.swift
@@ -472,7 +472,7 @@ public enum OngoingCallVideoOrientation {
     case rotation270
 }
 
-private extension OngoingCallVideoOrientation {
+extension OngoingCallVideoOrientation {
     init(_ orientation: OngoingCallVideoOrientationWebrtc) {
         switch orientation {
         case .orientation0:
diff --git a/submodules/TgVoipWebrtc/PublicHeaders/TgVoipWebrtc/OngoingCallThreadLocalContext.h b/submodules/TgVoipWebrtc/PublicHeaders/TgVoipWebrtc/OngoingCallThreadLocalContext.h
index 5462ff7bc2..dd5ea3b001 100644
--- a/submodules/TgVoipWebrtc/PublicHeaders/TgVoipWebrtc/OngoingCallThreadLocalContext.h
+++ b/submodules/TgVoipWebrtc/PublicHeaders/TgVoipWebrtc/OngoingCallThreadLocalContext.h
@@ -154,11 +154,12 @@ typedef NS_ENUM(int32_t, OngoingCallDataSavingWebrtc) {
 
 @interface GroupCallThreadLocalContext : NSObject
 
-- (instancetype _Nonnull)initWithQueue:(id<OngoingCallThreadLocalContextQueueWebrtc> _Nonnull)queue relaySdpAnswer:(void (^ _Nonnull)(NSString * _Nonnull))relaySdpAnswer videoCapturer:(OngoingCallThreadLocalContextVideoCapturer * _Nullable)videoCapturer;
+- (instancetype _Nonnull)initWithQueue:(id<OngoingCallThreadLocalContextQueueWebrtc> _Nonnull)queue relaySdpAnswer:(void (^ _Nonnull)(NSString * _Nonnull))relaySdpAnswer incomingVideoStreamListUpdated:(void (^ _Nonnull)(NSArray<NSString *> * _Nonnull))incomingVideoStreamListUpdated videoCapturer:(OngoingCallThreadLocalContextVideoCapturer * _Nullable)videoCapturer;
 
 - (void)emitOffer;
 - (void)setOfferSdp:(NSString * _Nonnull)offerSdp isPartial:(bool)isPartial;
 - (void)setIsMuted:(bool)isMuted;
+- (void)makeIncomingVideoViewWithStreamId:(NSString * _Nonnull)streamId completion:(void (^_Nonnull)(UIView<OngoingCallThreadLocalContextWebrtcVideoView> * _Nullable))completion;
 
 @end
 
diff --git a/submodules/TgVoipWebrtc/Sources/OngoingCallThreadLocalContext.mm b/submodules/TgVoipWebrtc/Sources/OngoingCallThreadLocalContext.mm
index f8c96b3322..55a55c498f 100644
--- a/submodules/TgVoipWebrtc/Sources/OngoingCallThreadLocalContext.mm
+++ b/submodules/TgVoipWebrtc/Sources/OngoingCallThreadLocalContext.mm
@@ -806,7 +806,7 @@ static void (*InternalVoipLoggingFunction)(NSString *) = NULL;
 
 @implementation GroupCallThreadLocalContext
 
-- (instancetype _Nonnull)initWithQueue:(id<OngoingCallThreadLocalContextQueueWebrtc> _Nonnull)queue relaySdpAnswer:(void (^ _Nonnull)(NSString * _Nonnull))relaySdpAnswer videoCapturer:(OngoingCallThreadLocalContextVideoCapturer * _Nullable)videoCapturer {
+- (instancetype _Nonnull)initWithQueue:(id<OngoingCallThreadLocalContextQueueWebrtc> _Nonnull)queue relaySdpAnswer:(void (^ _Nonnull)(NSString * _Nonnull))relaySdpAnswer incomingVideoStreamListUpdated:(void (^ _Nonnull)(NSArray<NSString *> * _Nonnull))incomingVideoStreamListUpdated videoCapturer:(OngoingCallThreadLocalContextVideoCapturer * _Nullable)videoCapturer {
     self = [super init];
     if (self != nil) {
         _queue = queue;
@@ -825,6 +825,19 @@ static void (*InternalVoipLoggingFunction)(NSString *) = NULL;
                     relaySdpAnswer(string);
                 }];
             },
+            .incomingVideoStreamListUpdated = [weakSelf, queue, incomingVideoStreamListUpdated](std::vector<std::string> const &incomingVideoStreamList) {
+                NSMutableArray<NSString *> *mappedList = [[NSMutableArray alloc] init];
+                for (auto &it : incomingVideoStreamList) {
+                    [mappedList addObject:[NSString stringWithUTF8String:it.c_str()]];
+                }
+                [queue dispatch:^{
+                    __strong GroupCallThreadLocalContext *strongSelf = weakSelf;
+                    if (strongSelf == nil) {
+                        return;
+                    }
+                    incomingVideoStreamListUpdated(mappedList);
+                }];
+            },
             .videoCapture = [_videoCapturer getInterface]
         }));
     }
@@ -849,5 +862,43 @@ static void (*InternalVoipLoggingFunction)(NSString *) = NULL;
     }
 }
 
+- (void)makeIncomingVideoViewWithStreamId:(NSString * _Nonnull)streamId completion:(void (^_Nonnull)(UIView<OngoingCallThreadLocalContextWebrtcVideoView> * _Nullable))completion {
+    if (_instance) {
+        __weak GroupCallThreadLocalContext *weakSelf = self;
+        dispatch_async(dispatch_get_main_queue(), ^{
+            if ([VideoMetalView isSupported]) {
+                VideoMetalView *remoteRenderer = [[VideoMetalView alloc] initWithFrame:CGRectZero];
+#if TARGET_OS_IPHONE
+                remoteRenderer.videoContentMode = UIViewContentModeScaleToFill;
+#else
+                remoteRenderer.videoContentMode = UIViewContentModeScaleAspect;
+#endif
+                
+                std::shared_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> sink = [remoteRenderer getSink];
+                __strong GroupCallThreadLocalContext *strongSelf = weakSelf;
+                if (strongSelf) {
+                    //[remoteRenderer setOrientation:strongSelf->_remoteVideoOrientation];
+                    //strongSelf->_currentRemoteVideoRenderer = remoteRenderer;
+                    strongSelf->_instance->setIncomingVideoOutput([streamId UTF8String], sink);
+                }
+                
+                completion(remoteRenderer);
+            } else {
+                GLVideoView *remoteRenderer = [[GLVideoView alloc] initWithFrame:CGRectZero];
+                
+                std::shared_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> sink = [remoteRenderer getSink];
+                __strong GroupCallThreadLocalContext *strongSelf = weakSelf;
+                if (strongSelf) {
+                    //[remoteRenderer setOrientation:strongSelf->_remoteVideoOrientation];
+                    //strongSelf->_currentRemoteVideoRenderer = remoteRenderer;
+                    strongSelf->_instance->setIncomingVideoOutput([streamId UTF8String], sink);
+                }
+                
+                completion(remoteRenderer);
+            }
+        });
+    }
+}
+
 @end