It was a many months transition, and it’s finally done
Fun thing, you can actually make a backup of all* your messages, groups, contacts, etc. So before leaving you can have all of your data in case you need that one contact or something
The final red flag was as that allegedly Russian authorities were messing with people’s deleted messages. Not for the first time there are news that they could read, modify, delete, see location, and etc. Screw it, this is unsafe, I’m out.
Also, these days telegram is really at the state of a pile of garbage, bloated, buggy, and shady messenger.
The thing I find most suspicious is their “onion routing”. An average Joe like me cannot run a node like he can do with I2P or Tor. There is a gigantic upfront payment for that. So that ensures the nodes would be run by crypto bros, companies and governments.