It's different for all kinds of of markets, in the markets we deal with (primary industries), our experience is, a lot of IE11 users are users with a lot of $ who have a lot of infrastructure built around older tech. The old tech keeps working fine, which is great in many ways. So, I think unless Microsoft kills it, IE11 is still the minimum for widest adoption. However, for my side projects, I just care about the evergreens.