- Virtualization core: fixed an invalid-guest state guru meditation in some rare circumstances on Intel hosts
- Virtualization core: some fixes for systems with lots of processors
- Audio: relaxed VRM / VRA (variable rate audio) bit checks to provide more compatibility for guests running ALSA setups with the AC'97 emulation
- Network: fixed potential issue with interrupt signalling for network adapters in UEFI guests
- 3D: fixed flicker and redraw issues when using VBoxSVGA or VMSVGA graphics adapter
- 3D: fixed crash with some applications when using VBoxSVGA or VMSVGA graphics adapter
- Linux host: support Linux 5.3
- Linux guests: calls to aio_read(3) and aio_write(3) may fail inside shared folders
- Linux guests: fix problem with shared folder unmounting in service script
Signed-off-by: Pierre-Yves <pyu@riseup.net>