diff --git a/submodules/LegacyComponents/Sources/PGVideoMovie.m b/submodules/LegacyComponents/Sources/PGVideoMovie.m
index 0d781fbbde..274ec0605c 100755
--- a/submodules/LegacyComponents/Sources/PGVideoMovie.m
+++ b/submodules/LegacyComponents/Sources/PGVideoMovie.m
@@ -1,5 +1,6 @@
 #import "PGVideoMovie.h"
 #import "GPUImageFilter.h"
+#import "LegacyComponentsInternal.h"
 
 GLfloat kColorConversion601Default[] = {
     1.164,  1.164, 1.164,
@@ -226,7 +227,20 @@ NSString *const kYUVVideoRangeConversionForLAFragmentShaderString = SHADER_STRIN
         else {
             [pixBuffAttributes setObject:@(kCVPixelFormatType_32BGRA) forKey:(id)kCVPixelBufferPixelFormatTypeKey];
         }
-        playerItemOutput = [[AVPlayerItemVideoOutput alloc] initWithPixelBufferAttributes:pixBuffAttributes];
+        if (iosMajorVersion() >= 10) {
+            NSDictionary *hdVideoProperties = @
+            {
+            AVVideoColorPrimariesKey: AVVideoColorPrimaries_ITU_R_709_2,
+            AVVideoTransferFunctionKey: AVVideoTransferFunction_ITU_R_709_2,
+            AVVideoYCbCrMatrixKey: AVVideoYCbCrMatrix_ITU_R_709_2,
+            };
+            [pixBuffAttributes setObject:hdVideoProperties forKey:AVVideoColorPropertiesKey];
+            playerItemOutput = [[AVPlayerItemVideoOutput alloc] initWithOutputSettings:pixBuffAttributes];
+            
+            
+        } else {
+            playerItemOutput = [[AVPlayerItemVideoOutput alloc] initWithPixelBufferAttributes:pixBuffAttributes];
+        }
         [playerItemOutput setDelegate:self queue:videoProcessingQueue];
 
         [_playerItem addOutput:playerItemOutput];
diff --git a/submodules/TelegramCallsUI/Sources/VoiceChatController.swift b/submodules/TelegramCallsUI/Sources/VoiceChatController.swift
index ec675f1441..7519c30a3c 100644
--- a/submodules/TelegramCallsUI/Sources/VoiceChatController.swift
+++ b/submodules/TelegramCallsUI/Sources/VoiceChatController.swift
@@ -816,7 +816,6 @@ public final class VoiceChatController: ViewController {
         
         private var animatingInsertion = false
         private var animatingExpansion = false
-        private var expansionVelocity: CGFloat?
         private var animatingAppearance = false
         private var animatingButtonsSwap = false
         private var animatingMainStage = false
@@ -3530,6 +3529,8 @@ public final class VoiceChatController: ViewController {
                 } else {
                     topInset = max(0.0, panInitialTopInset + min(0.0, panOffset))
                 }
+            } else if case .regular = layout.metrics.widthClass {
+                topInset = 0.0
             } else if let currentTopInset = self.topInset {
                 topInset = self.isExpanded ? 0.0 : currentTopInset
             } else {
@@ -4057,6 +4058,8 @@ public final class VoiceChatController: ViewController {
                 } else {
                     topInset = max(0.0, panInitialTopInset + min(0.0, panOffset))
                 }
+            } else if case .regular = layout.metrics.widthClass {
+                topInset = 0.0
             } else if let currentTopInset = self.topInset {
                 topInset = self.isExpanded ? 0.0 : currentTopInset
             } else {
@@ -5275,7 +5278,9 @@ public final class VoiceChatController: ViewController {
             switch recognizer.state {
                 case .began:
                     let topInset: CGFloat
-                    if self.isExpanded {
+                    if case .regular = layout.metrics.widthClass {
+                        topInset = 0.0
+                    } else if self.isExpanded {
                         topInset = 0.0
                     } else if let currentTopInset = self.topInset {
                         topInset = currentTopInset
@@ -5448,14 +5453,20 @@ public final class VoiceChatController: ViewController {
                             self.animatingExpansion = true
                             self.listNode.scroller.setContentOffset(CGPoint(), animated: false)
                             
-                            self.expansionVelocity = velocity.y
-                            if let (layout, navigationHeight) = self.validLayout {
-                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .easeInOut))
+                            let distance: CGFloat
+                            if let topInset = self.topInset {
+                                distance = topInset - offset
+                            } else {
+                                distance = 0.0
                             }
-                            self.updateDecorationsLayout(transition: .animated(duration: 0.3, curve: .easeInOut), completion: {
+                            let initialVelocity: CGFloat = distance.isZero ? 0.0 : abs(velocity.y / distance)
+                            let transition = ContainedViewLayoutTransition.animated(duration: 0.45, curve: .customSpring(damping: 124.0, initialVelocity: initialVelocity))
+                            if let (layout, navigationHeight) = self.validLayout {
+                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
+                            }
+                            self.updateDecorationsLayout(transition: transition, completion: {
                                 self.animatingExpansion = false
                             })
-                            self.expansionVelocity = nil
                         } else {
                             self.displayMode = .modal(isExpanded: true, isFilled: true)
                             self.updateDecorationsColors()
@@ -5490,8 +5501,9 @@ public final class VoiceChatController: ViewController {
                                     self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
                                 }
                             }
-                            
-                            self.expansionVelocity = velocity.y
+                                                        
+                            let initialVelocity: CGFloat = offset.isZero ? 0.0 : abs(velocity.y / offset)
+                            let transition = ContainedViewLayoutTransition.animated(duration: 0.45, curve: .customSpring(damping: 124.0, initialVelocity: initialVelocity))
                             if case .modal = self.displayMode {
                                 self.displayMode = .modal(isExpanded: true, isFilled: true)
                             }
@@ -5499,12 +5511,11 @@ public final class VoiceChatController: ViewController {
                             self.animatingExpansion = true
                             
                             if let (layout, navigationHeight) = self.validLayout {
-                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .easeInOut))
+                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                             }
-                            self.updateDecorationsLayout(transition: .animated(duration: 0.3, curve: .easeInOut), completion: {
+                            self.updateDecorationsLayout(transition: transition, completion: {
                                 self.animatingExpansion = false
                             })
-                            self.expansionVelocity = nil
                         } else if !self.isScheduling {
                             self.updateDecorationsColors()
                             self.animatingExpansion = true
diff --git a/submodules/TelegramCore/Sources/GroupCalls.swift b/submodules/TelegramCore/Sources/GroupCalls.swift
index b0c965babe..5fcaeeb942 100644
--- a/submodules/TelegramCore/Sources/GroupCalls.swift
+++ b/submodules/TelegramCore/Sources/GroupCalls.swift
@@ -122,49 +122,8 @@ public func getCurrentGroupCall(account: Account, callId: Int64, accessHash: Int
                 })
                 updatePeerPresences(transaction: transaction, accountPeerId: account.peerId, peerPresences: peerPresences)
                 
-                var parsedParticipants: [GroupCallParticipantsContext.Participant] = []
-                
-                loop: for participant in participants {
-                    switch participant {
-                    case let .groupCallParticipant(flags, apiPeerId, date, activeDate, source, volume, about, raiseHandRating, video, presentation):
-                        let peerId: PeerId = apiPeerId.peerId
-                        
-                        let ssrc = UInt32(bitPattern: source)
-                        guard let peer = transaction.getPeer(peerId) else {
-                            continue loop
-                        }
-                        let muted = (flags & (1 << 0)) != 0
-                        let mutedByYou = (flags & (1 << 9)) != 0
-                        var muteState: GroupCallParticipantsContext.Participant.MuteState?
-                        if muted {
-                            let canUnmute = (flags & (1 << 2)) != 0
-                            muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: canUnmute, mutedByYou: mutedByYou)
-                        } else if mutedByYou {
-                            muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: false, mutedByYou: mutedByYou)
-                        }
-                        var videoDescription = video.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                        var presentationDescription = presentation.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                        if muteState?.canUnmute == false {
-                            videoDescription = nil
-                            presentationDescription = nil
-                        }
-                        parsedParticipants.append(GroupCallParticipantsContext.Participant(
-                            peer: peer,
-                            ssrc: ssrc,
-                            videoDescription: videoDescription,
-                            presentationDescription: presentationDescription,
-                            joinTimestamp: date,
-                            raiseHandRating: raiseHandRating,
-                            hasRaiseHand: raiseHandRating != nil,
-                            activityTimestamp: activeDate.flatMap(Double.init),
-                            activityRank: nil,
-                            muteState: muteState,
-                            volume: volume,
-                            about: about
-                        ))
-                    }
-                }
-                
+                let parsedParticipants = participants.compactMap { GroupCallParticipantsContext.Participant($0, transaction: transaction) }
+
                 return GroupCallSummary(
                     info: info,
                     topParticipants: parsedParticipants
@@ -442,45 +401,7 @@ public func getGroupCallParticipants(account: Account, callId: Int64, accessHash
                 })
                 updatePeerPresences(transaction: transaction, accountPeerId: account.peerId, peerPresences: peerPresences)
                 
-                loop: for participant in participants {
-                    switch participant {
-                    case let .groupCallParticipant(flags, apiPeerId, date, activeDate, source, volume, about, raiseHandRating, video, presentation):
-                        let peerId: PeerId = apiPeerId.peerId
-                        let ssrc = UInt32(bitPattern: source)
-                        guard let peer = transaction.getPeer(peerId) else {
-                            continue loop
-                        }
-                        let muted = (flags & (1 << 0)) != 0
-                        let mutedByYou = (flags & (1 << 9)) != 0
-                        var muteState: GroupCallParticipantsContext.Participant.MuteState?
-                        if muted {
-                            let canUnmute = (flags & (1 << 2)) != 0
-                            muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: canUnmute, mutedByYou: mutedByYou)
-                        } else if mutedByYou {
-                            muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: false, mutedByYou: mutedByYou)
-                        }
-                        var videoDescription = video.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                        var presentationDescription = presentation.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                        if muteState?.canUnmute == false {
-                            videoDescription = nil
-                            presentationDescription = nil
-                        }
-                        parsedParticipants.append(GroupCallParticipantsContext.Participant(
-                            peer: peer,
-                            ssrc: ssrc,
-                            videoDescription: videoDescription,
-                            presentationDescription: presentationDescription,
-                            joinTimestamp: date,
-                            raiseHandRating: raiseHandRating,
-                            hasRaiseHand: raiseHandRating != nil,
-                            activityTimestamp: activeDate.flatMap(Double.init),
-                            activityRank: nil,
-                            muteState: muteState,
-                            volume: volume,
-                            about: about
-                        ))
-                    }
-                }
+                parsedParticipants = participants.compactMap { GroupCallParticipantsContext.Participant($0, transaction: transaction) }
             }
 
             parsedParticipants.sort(by: { GroupCallParticipantsContext.Participant.compare(lhs: $0, rhs: $1, sortAscending: sortAscendingValue) })
@@ -2164,59 +2085,8 @@ extension GroupCallParticipantsContext.Update.StateUpdate.ParticipantUpdate {
 
 extension GroupCallParticipantsContext.Update.StateUpdate {
     init(participants: [Api.GroupCallParticipant], version: Int32, removePendingMuteStates: Set<PeerId> = Set()) {
-        var participantUpdates: [GroupCallParticipantsContext.Update.StateUpdate.ParticipantUpdate] = []
-        for participant in participants {
-            switch participant {
-            case let .groupCallParticipant(flags, apiPeerId, date, activeDate, source, volume, about, raiseHandRating, video, presentation):
-                let peerId: PeerId = apiPeerId.peerId
-                let ssrc = UInt32(bitPattern: source)
-                let muted = (flags & (1 << 0)) != 0
-                let mutedByYou = (flags & (1 << 9)) != 0
-                var muteState: GroupCallParticipantsContext.Participant.MuteState?
-                if muted {
-                    let canUnmute = (flags & (1 << 2)) != 0
-                    muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: canUnmute, mutedByYou: mutedByYou)
-                } else if mutedByYou {
-                    muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: false, mutedByYou: mutedByYou)
-                }
-                let isRemoved = (flags & (1 << 1)) != 0
-                let justJoined = (flags & (1 << 4)) != 0
-                let isMin = (flags & (1 << 8)) != 0
-                
-                let participationStatusChange: GroupCallParticipantsContext.Update.StateUpdate.ParticipantUpdate.ParticipationStatusChange
-                if isRemoved {
-                    participationStatusChange = .left
-                } else if justJoined {
-                    participationStatusChange = .joined
-                } else {
-                    participationStatusChange = .none
-                }
-                
-                var videoDescription = video.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                var presentationDescription = presentation.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
-                if muteState?.canUnmute == false {
-                    videoDescription = nil
-                    presentationDescription = nil
-                }
-                participantUpdates.append(GroupCallParticipantsContext.Update.StateUpdate.ParticipantUpdate(
-                    peerId: peerId,
-                    ssrc: ssrc,
-                    videoDescription: videoDescription,
-                    presentationDescription: presentationDescription,
-                    joinTimestamp: date,
-                    activityTimestamp: activeDate.flatMap(Double.init),
-                    raiseHandRating: raiseHandRating,
-                    muteState: muteState,
-                    participationStatusChange: participationStatusChange,
-                    volume: volume,
-                    about: about,
-                    isMin: isMin
-                ))
-            }
-        }
-        
         self.init(
-            participantUpdates: participantUpdates,
+            participantUpdates: participants.map { GroupCallParticipantsContext.Update.StateUpdate.ParticipantUpdate($0) },
             version: version,
             removePendingMuteStates: removePendingMuteStates
         )
@@ -2551,6 +2421,48 @@ public func getAudioBroadcastPart(dataSource: AudioBroadcastDataSource, callId:
     }
 }
 
+extension GroupCallParticipantsContext.Participant {
+     init?(_ apiParticipant: Api.GroupCallParticipant, transaction: Transaction) {
+        switch apiParticipant {
+            case let .groupCallParticipant(flags, apiPeerId, date, activeDate, source, volume, about, raiseHandRating, video, presentation):
+                let peerId: PeerId = apiPeerId.peerId
+                let ssrc = UInt32(bitPattern: source)
+                guard let peer = transaction.getPeer(peerId) else {
+                    return nil
+                }
+                let muted = (flags & (1 << 0)) != 0
+                let mutedByYou = (flags & (1 << 9)) != 0
+                var muteState: GroupCallParticipantsContext.Participant.MuteState?
+                if muted {
+                    let canUnmute = (flags & (1 << 2)) != 0
+                    muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: canUnmute, mutedByYou: mutedByYou)
+                } else if mutedByYou {
+                    muteState = GroupCallParticipantsContext.Participant.MuteState(canUnmute: false, mutedByYou: mutedByYou)
+                }
+                var videoDescription = video.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
+                var presentationDescription = presentation.flatMap(GroupCallParticipantsContext.Participant.VideoDescription.init)
+                if muteState?.canUnmute == false {
+                    videoDescription = nil
+                    presentationDescription = nil
+                }
+                self.init(
+                    peer: peer,
+                    ssrc: ssrc,
+                    videoDescription: videoDescription,
+                    presentationDescription: presentationDescription,
+                    joinTimestamp: date,
+                    raiseHandRating: raiseHandRating,
+                    hasRaiseHand: raiseHandRating != nil,
+                    activityTimestamp: activeDate.flatMap(Double.init),
+                    activityRank: nil,
+                    muteState: muteState,
+                    volume: volume,
+                    about: about
+                )
+        }
+    }
+}
+
 private extension GroupCallParticipantsContext.Participant.VideoDescription {
     init(_ apiVideo: Api.GroupCallParticipantVideo) {
         switch apiVideo {