Upon moving either with the keyboard or with the mouse, my camera will jump so that I am looking either straight up, straight down, or straight behind where I'm moving, at random, with no apparent correlation. This affects me primarily on servers, and I play on Manjaro Linux.
Thank you for your report!
We're actually already tracking this issue in MC-144107, 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.
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