This is not technically a db change that has happened but I use this tag to get your attention anyway. Burn me please if that is inappropriate.
As we are bringing out a 4.4.2 I want to move all 441to450 functionality to a set of 442to450 file and add the 441to442 files from the 4.4 branch. As I write this it occurs to me how backward this is but solving this is only discussion no code so far. @david please keep an eye on the unlikely event of me introducing bugs here. -- Daan