Telegram on iOS crashes when browsing stickers or gifs longer than 30 second
If you open the sticker/gif panel when entering a message, flip, twist, rotate, no matter how, but view them, 15-20 seconds - the application crashes. Steps to reproduce Entering a message; Click on the…
However, this isn’t really a privacy issue for the app to solve, as it allows you to link to a user with arbitrary text. A person can just change the mention link from the username to their real name pretty easily.
If anything, having the option for a user to set the default mention text (either to something specific or to allow to use other user’s contact names for that user) for a specific group is a convenience feature (and one I would very much like to see added)