As the title suggests really, I'm opening scenes that were previously using the last version. I'm struggling to get them rendering at all. The issue seems to be with object/spline/forest EXCLUDES. I basically have some grass, that is using another Forest Pack as an exclude with a falloff so it fades to soil as it reaches the other forest pack, two splines as an exclude and some geometry as an exclude. It takes an age to update if adjust any of the exclude items. I've tried reducing Global and Local display settings, tried limiting visiblity, tried setting a Global Density falloff all to reduce the number of items. It worked fine with the previous version but this one is really slow and laggy. Max 2021 + Latest Corona Stable Release (not daily)