Some mobs' animations are frozen

My Minecraft is bugging my mobs are frozen

Can you help pls

I have believe this issue, Can possibly cause of Known Issues in 1.21.90.21 Preview is mentioned the issue of mob animations issues.

The Sniffer, Allay, Breeze and Creaking are also affected that have same freezing animations.

Known Issues

• There is a known issue in this Beta and Preview that might cause some mob animation issues, such as freezing Camels and floating Foxes! We have a fix lined up and hope to have this resolved as soon as possible.

This bug still applies in the new update! I believe foxes specifically may be fixed but the rest are still bugged.

This also applies to almost all addon mobs as well

This has been fixed in 1.21.90.23 Preview. Issues with add-on mobs should be reported in a separate ticket.