Jump to next channel: There are millions of one-to-many channels on Telegram that users follow for news, events, and content.
To keep up with the news easily, you can now scroll through the channels you follow without going back to your chat list. When you reach the bottom of a channel, pull up to go to the next unread channel.

Active Voice/ Video chat : All your active Voice/ Video chat is now visible at call section

Recording video chats : Telegram is working on recording video calls for future builds , here's exclusive first look #exclusive

Changing the theme for individual chats: you can change the theme for individual chats.
In private messages, each participant can change the theme and it will change for both sides.

In groups and channels, the administrator changes the topic for everyone. Chat participants and channel subscribers can also change the theme, but only for themselves, locally, for this you need to click on the service notification about changing the chat theme. #exclusive

Changing the theme : for individual chats: you can change the theme for individual chats.
In private messages, each participant can change the theme and it will change for both sides.

In groups and channels, the administrator changes the topic for everyone. Chat participants and channel subscribers can also change the theme, but only for themselves, locally, for this you need to click on the service notification about changing the chat theme , is now love in beta. #exclusive

Read receipts in the group chat :
In Telegram Beta, now you can find out who read the message in the group.

At the moment, it's known that the function will work only in small groups (less than 50 participants), regardless of whether it is private or public. An anonymous administrator won't appear in the list of viewers.

#exclusive

Preview Chats : you can preview chats from global serach ,Press and hold a chat’s profile picture on Android to pull up a preview of its messages – without marking messages as read.

On iOS, press and hold anywhere on the chat. This also opens up a menu with additional actions and lets you scroll inside the preview.

Clear cache : now available in global serach , search for chat and long press - 3 dot menu - delete from cache

New option to send stickers without sound #beta

WhatsApp adding encrypted backup

Read receipts : Now we can check read receipt of all messages

Emojis with effect : 🎆, 👍, 🎉, 💩, 🎈,❤️,🤎,🤍