The first three commits:
- https://github.com/DrKLO/Telegram/commit/fdc787650193a53e5bee25400e36551b4755d65e
- https://github.com/DrKLO/Telegram/commit/23645c43a5e35fd56f9261333428dd3b0a0724b3
- https://github.com/DrKLO/Telegram/commit/76e117c41114b12cc5a075b7d073a009a5401dc8
have a confusing history, affect 3 bugs and change 4 files:

1. PhotoViewer.java - removes the edit icon for files
bug - https://bugs.telegram.org/c/1177

2. ChatAttachAlertPhotoLayout.java - corrects the height of the camera preview
CameraView.java - removes the shaking of a preview of the camera
bug - https://bugs.telegram.org/c/2229

3. ChatMessageCell.java - Fixes the width of the posts with polls
bug - https://bugs.telegram.org/c/676

4. Сorrect reply count for grouped messages
commit - https://github.com/DrKLO/Telegram/commit/a1917d2ac6fa8e79dea7d23bd45be2c80de178a0
bug - https://bugs.telegram.org/c/1173

5. When converting a private group to public one, the empty link is no longer ignored
commit - https://github.com/DrKLO/Telegram/commit/efab88e3e0ffbe024e5e2f9f06a938a758a4b724
bug - https://bugs.telegram.org/c/469

6. Remove option from voice chat is hidden if the admin does not have ban permission
commit - https://github.com/DrKLO/Telegram/commit/16340428d83130115e3f74f130ca83f300168075
bug - https://bugs.telegram.org/c/927

7. Group name is no longer displayed mentions list
commit - https://github.com/DrKLO/Telegram/commit/b174a0f33839a3d0a24f3e118870a3909a1aa1cd
bug - https://bugs.telegram.org/c/939

8. Voice chats filter in recent actions of channels is hidden
commit - https://github.com/DrKLO/Telegram/commit/e74ac40f07a0baef53afe71d974e7a3c26728f28
bug - https://bugs.telegram.org/c/1341

9. Copying part of the text when the keyboard is open works correctly
commit - https://github.com/DrKLO/Telegram/commit/451ee11cda4f449b2d2700e52e9143f36a7e1052
bug - https://bugs.telegram.org/c/843

10. Fixed the order of tracks in playlists
commit - https://github.com/DrKLO/Telegram/commit/d33a37b7d6f695194bc2c9d42149da2b363b05bc
bug - https://bugs.telegram.org/c/792

11. Correct updating of replies when editing
commit - https://github.com/DrKLO/Telegram/commit/714f8a6a7c735c96b1943a1977f5b3765fdc0bb6
bugs
- https://bugs.telegram.org/c/179
- https://bugs.telegram.org/c/561

12. Fixed search for trending stickers
commit - https://github.com/DrKLO/Telegram/commit/5ec758809f46fbb81ad1b67710f7ad3e458ade23
bug - https://bugs.telegram.org/c/1932

13. Message search is available without send message permission
commit - https://github.com/DrKLO/Telegram/commit/6c025fe1ac3539e6a16506f294b8205f45a755bd
bug - https://bugs.telegram.org/c/859

14. Fixed visual errors in ProfileActivity
commit - https://github.com/DrKLO/Telegram/commit/5abd7ee85b5055d38bb7bdd00465c1454a97dc10
bugs
- https://bugs.telegram.org/c/2039
- https://bugs.telegram.org/c/1740

Всего улучшений и исправлений: 14
Из них корректных: 11

Отметим большое число качественных исправлений. Часть реализованных исправлений и внедрённых улучшений не могут быть засчитаны из-за некорректной имплементации:

#7: Вывод группы в списке упоминаний.
#8: Фильтр по голосовым чатов в Recent Actions каналов. Использованное решение ломает верстку в группах.
#10: Порядок песен в плейлистах, состоящих из нескольких альбомов.

Больший объём грамотных реализаций могу бы способствовать продвижению работы на более высокое призовое место.

1) Fixed.
2) Fixed.
3) Fixed.
4) Fixed.
5) Works but you can't set the chat as private anymore by clearing the field.
You should allow to press on confirm if the field is empty and if the chat is currently public.
6) Works but only if you also have the manage Voice Chat permission.
7) Fixed.
8) Fixed but the position of "Voice chat" changed for groups.
It is not the last filter anymore.
9) Fixed.
10) Fixed.
11) #179 fixed. #561 Partially fixed, doesn't work with messages send by others.
12) Fixed.
13) Fixed.
14) #2039 fixed. #1740 fixed.