I found something that explains it at least: "We’re introducing new
items specifics in the below categories. These will be required on
February 22, 2021 for all new and revised listings.Business &
Industrial: Download detailsClothes, Shoes & Accessor...
Although I'm not selling clothes, I have been having the same issue with
'Item Specifics' on listings with variations. On my newest listing it
shows that I need to enter a required specific, yet there is no way for
me to revise anything more in the l...