The point is that the 20+ year old Sounds settings are still much easier to use than the new bullshit settings UI that keeps changing all the time.

I can’t find shit in the Windows 8/10/11 settings and still use the old settings wherever possible.

Afaik the protocol is documented[1] and the clients are open source[2].

No code available for the backend though.

[1] https://core.telegram.org/mtproto

[2] https://telegram.org/apps#source-code

No Christmas presents for op this year.