They don't block source releases indeed, but only for unencumbered sources. What the ODM should probably have done is either make it out-of-tree or make an unen

They don't block source releases indeed, but only for unencumbered sources. What the ODM should probably have done is either make it out-of-tree or make an unencumbered implementation (if that is the problem at all) and ship that. Or maybe they just made a mistake or were lazy and will include it after the weekend when people are actually back at work.