Video Calls with up to 1000 Viewers, Video Playback Speed, Video Messages 2.0 and MoreGroup Video Calls 2.0• Group Video Calls now support up to 1000 video viewers, as well as unlimited audio-only listeners.
• To start a Group Video Call, create a Voice Chat from the ⋮ menu in the profile of any group where you are an admin — then turn your video on.
Video Playback Speed• Tap ⋯ in the media player to select 0.5, 1.5 or 2X playback speed while viewing a video.
Video Messages 2.0• Enjoy higher resolution from video messages in your chats.
• Tap a video message to expand it.
• Rewind and fast forward video messages when they're paused.
• Pinch to zoom while recording a video message with the rear camera.
• Continue playing music while recording video messages.
• Tap once on the 'voice message' button to switch to video mode, then hold to record and release to send.
Message Sending Animations• Send messages with improved animations – your input text smoothly transforms into the message bubble as it flies into the chat.
Timestamps• Add timestamps like '0:45' to video captions and replies to automatically create links that play the video from that specific moment.
• If a video caption includes a timestamp, hold on it to copy a link to that moment.
Screen Sharing with Sound• Share your screen in 1-on-1 video calls, as well as group video calls.
• Audio from your device is included while sharing your screen in any video call.
• Swipe left or right to select a video source when turning on your camera in any video call.
and More• Enable auto-delete in your chats to remove messages after 1 month (also 1 day or 1 week).
• Easily draw small details in the media editor – the brush now gets smaller as you zoom in.
More about this update:
https://telegram.org/blog/video-1000