Post #178

12.6.4 (6669) - add attach button to scheduled and comments (https://bugs.telegram.org/c/56572) - fix bot username in command (https://bugs.telegram.org/c/49187) - scroll fix in cache (https://bugs.telegram.org/c/60006) - label bottom channel buttons in talkback - fix blur in sending from attach long press preview - power saving title toast fix - fix motion photo rotated preview