Version 45.4
------------

Bug fixes and improvements:

 !151, Regenerate thumbnails on save (Roberto Vidal, Felix Riemann)
 !161, Use "fast" content type as fallback if normal content type
       is unavailable (Felix Riemann)
 * docs: Replace dead links to developer-old.gnome.org (Andre Klapper)

New and updated translations:

- Jean-Marc Tissières [fr]
- Scrambled777 [hi]
- Sabri Ünal [tr]