During splitscreen,the second player's animations randomly stop working and their skin freezes,but they can still move around and interact. It seems to temporarily fix it when I switch over to view screenshots on the Xbox One and then switch back to Minecraft, but it only fixes the animation for a short time before it bugs again.
Thank you for your report!
We're actually already tracking this issue at MCPE-60092, so I will resolve and link this ticket as a duplicate.
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