What makes you think they aren't just stabilizing/standardizing a single version of docker and backporting fixes? After all, about 1/2 the gripes stemmed from

What makes you think they aren't just stabilizing/standardizing a single version of docker and backporting fixes? After all, about 1/2 the gripes stemmed from the fact they docker itself is basically the engineering branch minus any serious regression/etc testing. Of course things are going to break from release to release, that is why test departments exist.