From recent experience I'd put it slightly higher on the old framework, but plenty of new dev on v5+ and I think sticking on framework is worse at this point.

From recent experience I'd put it slightly higher on the old framework, but plenty of new dev on v5+ and I think sticking on framework is worse at this point. Though I would say that breaking changes since Core 3 have been pretty limited. V5 unified .net under the new core as the path forward for framework users as well.