> Definitely, updated source codes will be online later today.

And the Desktop client[1] is kept very up to date. My biggest complaint is that they have stopped updating the API documentation [2] which has lead me to become a rather lukewarm telegram developer (though I still have a few projects I am work with)

[1] https://github.com/telegramdesktop/tdesktop [2] https://core.telegram.org/#updates-log