I have found an issue with the drowned. When they spawn in a well, they cannot swim upwards at all. They just spin around at the bottom of the well. I can safely stay just above them while I attack and they can't fight back. I have recreated the issue in creative mode for you to see.
https://youtu.be/znASvmb6IhI
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-32947 due to the more general or descriptive summary.
Your votes, additional information and observations are very useful, so if you can add them to the comments section of the parent issue it would be appreciated.
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