A lot.
Changelog
Smu1zel
- Better error screen.
 - Formatted the entire codebase with clang-format.
 - Added an option to hide the pointer (the red box when you tap the screen).
 - FourthTube now uses a better color scheme, instead of using a dull blue nearly everywhere.
 - New banner for when a video isn't playing. Criticism is welcome.
 - Old ThirdTube config files now retain the scroll speed threshold value set when used in FourthTube.
 - Dropped the unused unicodetochar library.
 - Changed some font sizes.
 - Deleted some obsolete files.
 - Changed libctru library path to his. Updated it.
 - Some other general improvements to enhance the user's experience (TM)
 
2ipper
- Fixed the community tab.
 - Added timestamps. Tapping them in the description or comments will jump you to that timestamp automatically.
 - Added Live tab.
 - Added Shorts tab.
 - Changed the color of the Reload button.
 - Removed useless randomVisitorData function.
 - Translated the "Hide pointer" string into Japanese.
 - Added better resolution detection logic.
 - Fixed a bug where a video would end a few seconds early.
 
Dragontwo14
- Made some fixes to the German translation.
 - Translated the "Hide pointer" string into German.
 
cooolgamer
- Translated the "Hide pointer" string into French.
 
Dxni
- Translated the "Hide pointer" string into Italian.
 
Misino
- Added a Spanish translation (will be implemented in the future).