RetroArch v1.6.4 is released. RetroArch is a multi-system emulator for Linux, Windows, Mac OS X and *BSD. It is formerly known as SSNES. Its design and background is quite different than most other emulators as RetroArch does not implement an emulation core itself. RetroArch talks to libretro, a generic emulator core API. This means that RetroArch is core agnostic, and it does not care which emulator core is running.

Currently there are libretro implementations for systems such as SNES, NES, GBA, GB/GBC, Genesis, and even arcade games (Final Burn Alpha).

libretro isn't only usable for emulators. A preliminary port of an open source reimplementation of Cave Story has been ported to libretro as well.

RetroArch believes in modularity. The application itself is a command-line driven application suitable for HTPC and/or headless use. There also exists a GUI frontend for RetroArch, supporting every single config option available in RetroArch.

RetroArch v1.6.4 Changelog:
ANDROID: Fire Stick & Fire TV remote overrides gamepad port 0 on button press and viceversa like SHIELD devices
ANDROID: Provide default save / system / state / screenshot locations
AUDIO: Audio mixer supports MOD/S3M/XM file types now!
INPUT: input swap override flag (for remotes) is cleared correctly
INPUT: allow specifying libretro device in remap files
INPUT: allow specifying analog dpad mode in remap files
INPUT: allow saving libretro device to remap files
INPUT: allow saving analog dpad mode to remap files
INPUT: allow removing core and game remap files from the menu
COMMON: Cores can now request to set a ‘shared context’. You no longer need to explicitly enable ‘Shared Hardware Context’ for Citra/OpenLara/Dolphin.
COMMON: Add ‘Delete Core’ option to Core Information menu.
COMMON: Allow Max Timing Skew to be set to 0.
COMMON: Change the “content dir” behavior so it works on either a flag or an empty directory setting, now platform drivers can provide defaults for save / system / state / screenshot dirs and still allow the content dir functionality, these settings are under settings / saving and flagged as advanced
GUI: You can turn on/off ‘Horizontal Animation’ now for the XMB menu. Turning animations off can result in a performance boost.
GUI: Fix sublabel word-wrapping in XMB where multi-byte languages were cut off too soon
LOCALIZATION: Update Dutch translation
LOCALIZATION: Update Traditional Chinese translation
LOCALIZATION: Update Italian translation
LOCALIZATION: Update Russian translation
WINDOWS: Provide default save / system / state / screenshot locations
LOBBIES: Show what country the host is in
MENU: Enable OSD text rendering for gdi and libcaca drivers
WINDOWS 98/ME/2K: Set default directory for MSVC 2005 RetroArch version.
WII: Better V-Sync handling, backported from SuperrSonic.
WIIU: Exception handler rewritten.

Download: RetroArch v1.6.4
Source: Here