If a Wither Skeleton is spawned or walks under any that isn't a wall, glass, decorated pot, enchantment tables & fences (possibly more) it will become stuck until it is moved. This only happens in the overworld.
MC-270420
Wither Skeletons become stuck under certain blocks
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue in MC-101136, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote or any additional information to the main ticket it would be appreciated.
Please be sure to use the search feature before creating a ticket to see if the issue has already been reported.
Quick Links:
📗 Tracker Guidelines | 🛠 Community Support | 📧 Mojang Support | 🔑 Account Support | ✍️ Feedback Discord