PlayOnLinux 3.8.12 has been released here is some of the changes since the 3.8.11 version.

The following installers have been updated:
- Borderlands (clean-up)
- Bulletstorm (Wine version update)
- Dead Rising 2 (clean-up)
- Dragon Age 2 Demo (Wine version update and bug fix)
- Fallout 3 (installer rewritten from scratch)
- Fallout 3 - DLC (clean-up)
- Fallout 3 Patch 1.07 (installer added)
- Steam (Wine version update)
- The Witcher Patch 1.5 (bug fix)

These installers will no longer work with PoL versions prior to 3.8.12.