Firmware 1.20 is now officially released, this firmware have been available as "beta" since January.
Some highlights are support for the DVD Menu system that where already added back in early February.
More about the DVD Menu system can be found over at x360keyforum.com
Credits goes out to the App Dev team:
Mr_Waffle %u2013 XML specification
...and all of the testing team
Registered xk3y users head over to the download section.
Complete release notes for firmware 1.20 please read the readme_01.20.txt file.