* Update RetroArch to [1.9.13.1](https://www.libretro.com/index.php/retroarch-1-9-13-release/)
* Update libretro cores to latest
* Add new libretro core: `ecwolf`
* Add new libretro core: `beetle-pce`
* Add highscore.dat for `fbneo` to RetroArch system folder
* Add artwork files, cheat.dat and history.dat for `mame2003-plus` to RetroArch system folder
* Add engine files, themes, soundfont and basic scummvm.ini for `scummvm` to RetroArch system folder
* Update Mesa to [21.2.5](https://docs.mesa3d.org/relnotes/21.2.5.html)
* Fix issue with older Intel GPUs (crocus driver is now preferred, `MESA_LOADER_DRIVER_OVERRIDE` is not required anymore)
* Update mainline kernel to 5.10.78
* Update Raspberry kernel/firmware files to 1.20211029