I know this isn't conclusive proof, but,,, I just spotted this on the ML twitter feed,
@JordyVandeput
Jordy Vandeput
Another proof that #MagicLantern does not fool with your guarantee. Thank you #Canon for fixing my hot pixels for free :-)
31 Jan via LauncherPro
Like I said, not conclusive, don't know any other details other than that.