I should have added, Using an existing older version and its editor.
I rarely use any of the 5 series Editors, I always create in 4.27 than simply open a copy in higher editors, then submit those zipped versions for approval.
For my money, there are far too many Experimental and beta plug-ins enabled by default, that I will never use. Unchecking them for one project is not sticky at all. I have to repetitively do that task to the point of boredom.