v5.1

Update RetroArch to 1.19.0
Update libretro cores
Add mgba core from forked libretro repository with options Interframe Blending and Color Correction
Update Mesa to 24.0.8
Fix storage partition resizing
Fix folder mapping for cheats
Add Game Controller driver for RPi GPIO
Add support for set-up script (firstboot.sh) to set-up Wi-Fi, add new / override default RetroArch config settings
RetroArch: add option to save current custom configuration to the default configuration file

v5.0

Update RetroArch to 1.10.2
RetroArch standalone cores: add files needed to run these cores to the image (therefore disabled the system files downloader)
Add new libretro core: race
Add new libretro core: bk
Add new libretro core: same_cdi
Add new libretro core: mame (current)
Fix easyrpg libretro core
Drop duckstation core
Update mainline kernel to 5.10.109 (PC, Allwinner, Amlogic, NXP)
Update raspberry kernel to 5.10.103
Fix Nvidia support (build driver as module)
Fix ethernet and wifi on Intel NUC 11
Add support for ASUS BT500 and TP-Link UB500 USB Wi-Fi adapters
Update Mesa to 22.0.1
Fix custom shutdown scripts (add RPi.GPIO Python library)

Update RetroArch to 1.10.0
Update libretro cores to the latest
Add small utility to turn off Xbox360 controllers
Fix AML aarch64 cores compilation
Update Mesa to 21.3.6
Rollback Raspberry kernel/firmware files to 1.20210831 (fixes issue with 4K displays not initializing)
Update mainline kernel to 5.10.101
Add new libretro core: wasm4
Add new libretro core: jumpnbump
Add new libretro core: blastem
Add new libretro core: freechaf
Add new libretro core: potator
Add new libretro core: quasi88
Add new libretro core: retro8
Add new libretro core: xmil
Add new libretro core: fmsx
Make the .update folder on the STORAGE partition writable without superuser privilege
Add new device: Raspberry Pi Zero 2 with GPICase (Pi02GPi.arm)
Fix recording / streaming in RetroArch
Raspberry Pi: disable wifi powersaving to improve wifi stability

Update RetroArch to 1.9.13.1
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
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

Add support for Anbernic RG351MP
Update Mesa to 21.2.3
Update Linux kernel to 5.10.68 and kernel firmware to 20210919 (Generic, iMX6)
Fix libraries for interfacing to Raspberry Pi GPU on aarch64
Add WireGuard VPN support
Add action to remove bluetooth pairing (Settings → Bluetooth → Bluetooth device → Start button or Space key)
Add xpadneo driver to support wireless Xbox gamepads (all, but L4T)
Update 'default' kernel to 5.1.21 (Allwinner, Amlogic)
Set HDMI output resolution to 720p, drop A20 devices (Allwinner)
Add support for Capcom Home Arcade
Replace i965 intel driver with the updated crocus one (Generic)
Add support for PiBoy DMG (RPi)
Add support for non-standard modes in VEC - enhances CRT output (RPi)
Update kernel/firmware to 1.20210831 (RPi)
Enable additional PARPORT modules/features - fixes Gamecon module (Generic x64)
Remove old mupen64plus core
Enable RSP dynarec in parallel_n64 core (Generic)
Enable RDP and RSP dynarec in mupen64plus_next (Generic)