Telegram Business • Bots can now manage private chats of Telegram Business subscribers who connect them to their account – check out BusinessConnection. • Connected bots will receive updates about new messages, message edits and deletions in business chats they manage. • Added the parameter business_connection_id to most send methods – to send messages on behalf of business users. • Bots can now see business account details, such as their intro, opening hours and location.
Request Names, Usernames and Photos • Bots can now request names, usernames and photos via new fields in the KeyboardButtonRequestUsers class. • Likewise, bots can now use KeyboardButtonRequestChat to request chats' titles, usernames and photos.
Stickers • Introduced support for mixed-format sticker packs. • Regular sticker sets now support up to 120 stickers. • Bots can now upload WEBM stickers using sendSticker. • Simplified sticker replacement via the new replaceStickerInSet method.