Creators of Slay the Spire will migrate their next game to a new engine if Unity doesn't completely revert their changes
Picture taken from their Twitter
Picture taken from their Twitter
This. It's not easy or trivial but as a long term strategy, they should already plan investing efforts into consolidating something like Godot or another FOSS engine. They should play like you calm down an abuser you can't just escape yet while planning their demise when the time has come.