What happens when diving into the water is that, when swimming fast, the animation of the arms of the character and the object suffer an error that does not show the animation correctly or even cannot show the arms.
MCPE-66687
There is a bug that consists in that when you enter the water to swim the animation of the arms suffers a bug.
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue at MCPE-66475, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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