While attacking blocks in creative mode with a sword, the camera immediately starts to fidget. This also leads to random player movements and teleport-like movement if a player walks whilst doing so.
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violine1101
Thank you for your report!
We're actually already tracking this issue in MC-157436, 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.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.