Incoming messages in a channel/supergroup were read
updateReadChannelInbox#330b5424 flags:# folder_id:flags.0?int channel_id:int max_id:int still_unread_count:int pts:int = Update;
|flags||#||Flags, see TL conditional fields|
|folder_id||flags.0?int||Peer folder ID, for more info click here|
|max_id||int||Position up to which all incoming messages are read.|
|still_unread_count||int||Count of messages weren't read yet|
|pts||int||Event count after generation|
Telegram allows placing chats into folders, based on their type, mute status, or other custom criteria, thanks to folder blacklists and whitelists.
How to subscribe to updates and handle them properly.
How to handle channels, supergroups, groups, and what's the difference between them.