Source on GitHub
Testing and Issues
You can test this app and submit issues during the testing period of the Android Contest 2021 contest.
Entries with serious issues will not be able to win the contest, but even minor issues might be important for overall results.
1. Marking chat's on a folder as read: https://bugs.telegram.org/c/821.
Relevant commit: https://github.com/izadiegizabal/Telegram/commit/90128498978b73962f4766abddc9004b6f02a741
2. Adding a GIF tab to Saved Messages since it was missing: https://bugs.telegram.org/c/720.
Relevant commit: https://github.com/izadiegizabal/Telegram/commit/81ed7a9a73d7e3a5a8fb6009bf9a95cd0e91a3b3
The PR is this one: https://github.com/DrKLO/Telegram/pull/1609