It has been "unsupported" in the sense of "Microsoft doesn't approve of that behavior and won't help you accomplish that goal" since before Windows 11. It is no

It has been "unsupported" in the sense of "Microsoft doesn't approve of that behavior and won't help you accomplish that goal" since before Windows 11. It is not yet "unsupported" in the sense of "Microsoft has made it entirely impossible"; every year or two they make it incrementally harder, but they have yet to close off all of the workarounds, and even this change may still leave a workaround.