I don't think this was a duplicate of MC-179845, as it is a new issue starting in 20w17a
can confirm. This started on 20w17a
[media]It should also be stated that you can usually hit these skeletons once or twice, then they become unhittable. Also, if you remove the blocks below them, they just float there.
Confirmed for 16w04a
Same as above comment. Was working fine in 20w16a, no longer works in 20w17a