2 addons that no longer have tooltips are Mer Character Sheet and The Elder Bar Reloaded.
One author speculated that it was the way ZOS changed layers, making a texture higher than the item.
Not sure this is a good idea if it was intended, but it is a bug if it was not intended.
Edited by ZOS_Bill on 22 June 2022 23:17 PC
PS4/PS5