I’m a GNU/Linux lover, UNIX philosophy & Free Software advocate.
UnifiedPush is a key feature and not the only one. You can read more about it on its github repository: https://github.com/drizzt/Mercurygram
UnifiedPush was suggested to Telegram FOSS about 2 years ago. But it didn’t happen until now: https://github.com/Telegram-FOSS-Team/Telegram-FOSS/issues/577
That was awesome! Thanks