All maps should always stay compatible, so this is a regression and needs fixing for b19 - probably by just not loading objectives with an old version into the editor - since there are not supported by the game there is no reason to load them anyways.
All maps should always stay compatible, so this is a regression and needs fixing for b19 - probably by just not loading objectives with an old version into the editor - since there are not supported by the game there is no reason to load them anyways.