Incoming messages in a channel/supergroup were read
updateReadChannelInbox#922e6e10 flags:# folder_id:flags.0?int channel_id:long max_id:int still_unread_count:int pts:int = Update;
|Flags, see TL conditional fields
|Peer folder ID, for more info click here
|Position up to which all incoming messages are read.
|Count of messages weren't read yet
|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, gigagroups, basic groups, and what's the difference between them.