- Fixed Linux and macOS implementations of I_FindAttr().
- Implement player setup background.
- Fixed uninitialized variable in OPL song. Mono streams could be erroneously treated as stereo, doubling their playback speed.
- Compatibility workaround for using Scroll_Texture_Model with a line id of 0.
- Store CVARs non-destructively in savegames.
- Added missing render style constants to ZScript.
- Fixed A_PlaySound() called from Dehacked.
- Added ML_NOSKYWALLS and ML_DRAWFULLHEIGHT.
- Restored old values for CHAN_... constants.
- Add support for new Bethesda.Net Unity Edition WADs.
- Removed obsolete softpoly render modes from menu.
- Fixed resolving of music aliases with full filenames.
- Fixed erroneous override of default language strings.
Played Freedoom Phase 1 and 2.