Log Message:
Downgrade to stable releases again.
Update to 4.12.4:

Incomplete changelogs:

4.12.3
======
Stable release of xfdesktop for Xfce 4.12.

* Bug fixes:
 - Remove whitespaces from monitor name when accessing settings
   Patch by Andreas Müller
 - Settings: Fix loading of wallpaper previews (Bug #11892)
 - Rotate images for wallpaper based on embedded orientation

* Translation updates:
  English (Australia) (en_AU), Spanish (Castilian) (es),
  Lithuanian (lt), Swedish (sv)