New system:

• PS Vita

New features:

• Xenia / Xenia-Canary (Xbox 360) (including controllers database for controller management)
• Commodore 64
• Cemu (Wii U)
• Swanstation (PlayStation)
• Supermodel (SEGA Model 3)
• DOSBox Pure Libretro
• Yuzu (Switch)
• Ryujinx (Switch)
• Picodrive Libretro (Master System, Megadrive)
• Citra (3DS)
• Dolphin (GameCube / Wii)
• Demul (Arcade)
• ScummVM Libretro
• Retroachievements: cap32 (Amstrad), PCSX2-QT (PlayStation 2)
• Add Game Focus option (disables RetroArch hotkeys to prevent interference with game control)
• Add service menu option: flycast_libretro (Atomiswave)
• Better handling of controls: fuse_libretro (ZXSpectrum)
• Add Roland MT-32 option: dosbox_pure_libretro, scummvm_libretro

Cores:

• same_cdi_libretro
• prosystem_libretro updated (atari 7800)

Standalone:

• Vita3K
• PCSX2 updated to QT version
• Phoenix for 3DO & Jaguar
• BigPEmu for Jaguar
• Oricutron reworked for RetroBat
• Applewin reworked for RetroBat

Miscellaneous:

• updated BIOS checks (neoCD, same_cdi, scummvm (audio))
• mame core usage for oric/atmos
• Controller autoconfiguration for Dolphin, Yuzu, Ryujinx, RPCS3, Supermodel, Citra & PCSX2-QT
• Addition of bezels & shaders with reshade for some standalone emulators (model2, Supermodel, BigPEmu, oricutron, daphne/Hypseus, Applewin, OpenBor, Mednafen, Simcoupe, GSPlus, ScummVM, Demul, Phoenix)
• Bump SDL to 2.26 and major rework on the way controllers are handled (for better autoconfiguration in future releases)
• New JSON library methods for better handling systems using json configuration file
• ScummVM (standalone + libretro) and DosBox Pure new options in RetroBat menu
• Mega Bezels updated
• Many other fixes (pcsx2 paths, mesen fullscreen start, demul dreamcast game loading, m3u usage for dolphin standalone, 7zip games now working for netplay & retroachievements, Retroachievements sign for grouped systems in EmulationStation, FMTowns scraping, Xenia download & licence_mask fix, keyboard A & B inversion fix, and many more…)