diff --git a/submodules/TelegramApi/Sources/Api0.swift b/submodules/TelegramApi/Sources/Api0.swift
index a534054d76..95280d53e2 100644
--- a/submodules/TelegramApi/Sources/Api0.swift
+++ b/submodules/TelegramApi/Sources/Api0.swift
@@ -242,7 +242,7 @@ fileprivate let parsers: [Int32 : (BufferReader) -> Any?] = {
     dict[-1744710921] = { return Api.DocumentAttribute.parse_documentAttributeHasStickers($0) }
     dict[1815593308] = { return Api.DocumentAttribute.parse_documentAttributeImageSize($0) }
     dict[1662637586] = { return Api.DocumentAttribute.parse_documentAttributeSticker($0) }
-    dict[-745541182] = { return Api.DocumentAttribute.parse_documentAttributeVideo($0) }
+    dict[389652397] = { return Api.DocumentAttribute.parse_documentAttributeVideo($0) }
     dict[761606687] = { return Api.DraftMessage.parse_draftMessage($0) }
     dict[453805082] = { return Api.DraftMessage.parse_draftMessageEmpty($0) }
     dict[-1764723459] = { return Api.EmailVerification.parse_emailVerificationApple($0) }
@@ -1398,7 +1398,7 @@ public extension Api {
                 return parser(reader)
             }
             else {
-                telegramApiLog("Type constructor \(String(UInt32(bitPattern: signature), radix: 16, uppercase: false)) not found")
+                telegramApiLog("Type constructor \(String(signature, radix: 16, uppercase: false)) not found")
                 return nil
             }
         }
diff --git a/submodules/TelegramApi/Sources/Api5.swift b/submodules/TelegramApi/Sources/Api5.swift
index b8ae224638..bd121a4a0b 100644
--- a/submodules/TelegramApi/Sources/Api5.swift
+++ b/submodules/TelegramApi/Sources/Api5.swift
@@ -1473,7 +1473,7 @@ public extension Api {
         case documentAttributeHasStickers
         case documentAttributeImageSize(w: Int32, h: Int32)
         case documentAttributeSticker(flags: Int32, alt: String, stickerset: Api.InputStickerSet, maskCoords: Api.MaskCoords?)
-        case documentAttributeVideo(flags: Int32, duration: Double, w: Int32, h: Int32, preloadPrefixSize: Int32?)
+        case documentAttributeVideo(flags: Int32, duration: Double, w: Int32, h: Int32, preloadPrefixSize: Int32?, videoStartTs: Double?)
     
     public func serialize(_ buffer: Buffer, _ boxed: Swift.Bool) {
     switch self {
@@ -1529,15 +1529,16 @@ public extension Api {
                     stickerset.serialize(buffer, true)
                     if Int(flags) & Int(1 << 0) != 0 {maskCoords!.serialize(buffer, true)}
                     break
-                case .documentAttributeVideo(let flags, let duration, let w, let h, let preloadPrefixSize):
+                case .documentAttributeVideo(let flags, let duration, let w, let h, let preloadPrefixSize, let videoStartTs):
                     if boxed {
-                        buffer.appendInt32(-745541182)
+                        buffer.appendInt32(389652397)
                     }
                     serializeInt32(flags, buffer: buffer, boxed: false)
                     serializeDouble(duration, buffer: buffer, boxed: false)
                     serializeInt32(w, buffer: buffer, boxed: false)
                     serializeInt32(h, buffer: buffer, boxed: false)
                     if Int(flags) & Int(1 << 2) != 0 {serializeInt32(preloadPrefixSize!, buffer: buffer, boxed: false)}
+                    if Int(flags) & Int(1 << 4) != 0 {serializeDouble(videoStartTs!, buffer: buffer, boxed: false)}
                     break
     }
     }
@@ -1558,8 +1559,8 @@ public extension Api {
                 return ("documentAttributeImageSize", [("w", w as Any), ("h", h as Any)])
                 case .documentAttributeSticker(let flags, let alt, let stickerset, let maskCoords):
                 return ("documentAttributeSticker", [("flags", flags as Any), ("alt", alt as Any), ("stickerset", stickerset as Any), ("maskCoords", maskCoords as Any)])
-                case .documentAttributeVideo(let flags, let duration, let w, let h, let preloadPrefixSize):
-                return ("documentAttributeVideo", [("flags", flags as Any), ("duration", duration as Any), ("w", w as Any), ("h", h as Any), ("preloadPrefixSize", preloadPrefixSize as Any)])
+                case .documentAttributeVideo(let flags, let duration, let w, let h, let preloadPrefixSize, let videoStartTs):
+                return ("documentAttributeVideo", [("flags", flags as Any), ("duration", duration as Any), ("w", w as Any), ("h", h as Any), ("preloadPrefixSize", preloadPrefixSize as Any), ("videoStartTs", videoStartTs as Any)])
     }
     }
     
@@ -1671,13 +1672,16 @@ public extension Api {
             _4 = reader.readInt32()
             var _5: Int32?
             if Int(_1!) & Int(1 << 2) != 0 {_5 = reader.readInt32() }
+            var _6: Double?
+            if Int(_1!) & Int(1 << 4) != 0 {_6 = reader.readDouble() }
             let _c1 = _1 != nil
             let _c2 = _2 != nil
             let _c3 = _3 != nil
             let _c4 = _4 != nil
             let _c5 = (Int(_1!) & Int(1 << 2) == 0) || _5 != nil
-            if _c1 && _c2 && _c3 && _c4 && _c5 {
-                return Api.DocumentAttribute.documentAttributeVideo(flags: _1!, duration: _2!, w: _3!, h: _4!, preloadPrefixSize: _5)
+            let _c6 = (Int(_1!) & Int(1 << 4) == 0) || _6 != nil
+            if _c1 && _c2 && _c3 && _c4 && _c5 && _c6 {
+                return Api.DocumentAttribute.documentAttributeVideo(flags: _1!, duration: _2!, w: _3!, h: _4!, preloadPrefixSize: _5, videoStartTs: _6)
             }
             else {
                 return nil
diff --git a/submodules/TelegramCore/Sources/ApiUtils/TelegramMediaFile.swift b/submodules/TelegramCore/Sources/ApiUtils/TelegramMediaFile.swift
index 9daed9bc01..c94ec75593 100644
--- a/submodules/TelegramCore/Sources/ApiUtils/TelegramMediaFile.swift
+++ b/submodules/TelegramCore/Sources/ApiUtils/TelegramMediaFile.swift
@@ -99,7 +99,8 @@ func telegramMediaFileAttributesFromApiAttributes(_ attributes: [Api.DocumentAtt
                 result.append(.ImageSize(size: PixelDimensions(width: w, height: h)))
             case .documentAttributeAnimated:
                 result.append(.Animated)
-            case let .documentAttributeVideo(flags, duration, w, h, preloadSize):
+            case let .documentAttributeVideo(flags, duration, w, h, preloadSize, videoStartTime):
+                let _ = videoStartTime
                 var videoFlags = TelegramMediaVideoFlags()
                 if (flags & (1 << 0)) != 0 {
                     videoFlags.insert(.instantRoundVideo)