- Add sndio sound back end for OpenBSD
- Menu generation speedups
- Update to 16.0.20
* Theming macro updates (Don Harrop)
* Warning fixes for gcc 9
* Fix transient placement involving desk/area change
* GSOD: Fix restart after choosing Restart on e.g. segv
* GSOD: Better keyboard grab
* Don't do double-clicks on scroll wheel events
* Correct refresh when switching away from background "None"
* Restore background to last set if quitting background selector
* Fix memory leak in pulseaudio sound loader
* Fix potential segv in pulseaudio sound handler
* Fix compositing glitches with tiled backgrounds
* Make config dialog edge flip mode changes take effect immediately
* Add gobject-2.0 dependency in case pango doesn't include it