Fingers crossed that the changes to the MM and the DMG are more substantial.
To be honest if its gonna take really any effort at all to learn a new edition, myself (and I think a lot of other DMs) are going to look very seriously at other D&D-alike games.
Shadow of the Weird Wizard, the new MCDM RPG, Shadowdark, Pathfinder 2e, the new Kobold Press RPG (is it still called Black Flag?), etc etc.
There has never been a better time to look at other tabletop RPGs as it seems for once WotC have a load of real competition.