FireCore has released aTV flash (black) 2.3 with Apple TV 5.3 compatibility, enhanced Dolby audio, quicker fetching, and much more. A handful of other bug fixes and stability improvements were also rolled out with the update.

●Added Apple TV 5.3 compatibility
●Added Croatian, Hungarian, Romanian, and Slovak localizations
●Media Player is now ‘Infuse for Apple TV’
●Improved Dolby (AC3) audio
●Improved metadata fetching
●Improved detection of subtitle encoding
●Improved reliability of settings backups
●A few other minor fixes and performance improvements

To update, you simply navigate to your Apple TV through the Maintenance > Manage Extras menu.

You can find instructions on how to jailbreak your Apple TV in order to install aTV Flash here. Please note that a jailbreak for the third generation Apple TV has not yet been released. aTV Flash can be purchased for $29.95 from the link below...