let's talk about accessibility in Telegram Messenger

Accessibility Advocacy

I reinstalled the Telegram Messenger and find that the accessibility has lots of improve!
but, it still have a lot of work in the accessibility point of view.

1. don't know how many unread message in each chat.
2. some of the button is still unable button.
3. if someone know please tell me.
how to message to the channel you are subscribing or following.