Background rework:
- New features:
  - Video backgrounds (#471)
  - Plain color backgrounds (#399)
  - Search images or videos with keywords
  - Option for startup fade in duration
  - Pause, download, and refresh background buttons in interface (#425)
  - Textured background overlay (#122, #544)
- Local backgrounds:
  - Added position & size options
  - Added multi selection to remove multiple backgrounds at once with CTRL + click
  - Improve performance by automatically compressing huge images
  - More accessible local background thumbnail list
  - Prevent duplicate when uploading multiple files (#474)
- Improvements:
Other:
- Added quotes from The Office, thanks @Stelage ! (#542)
- Fix worldclock and timezone issues (#601)
- Fix search bar issue with chinese websites, thanks @angine04 ! (#591)
Translations (thank you everyone 🙏 ):
- Added:
  - Azerbaijani by @Hajiaga-Sadikhov
  - Taigi (Hanji) by @GJRobert
  - Belarussian by @The518thGuy
  - Telugu by @ShrekCoding21
- Updates:
  - Finnish by Bezier at suppo.fi
  - Portuguese by @Blackspirits
  - Brazilian Portuguese by @RickyM7
  - Czech by @ZimaDaniel
  - Traditional chinese by @unknownnumbers
  - Spanish by @palacios22c