If a bee is angered while it is in a confined (1x1x1 or 1x1x2) space it will freeze and not move.
The bee seen in the video was just placed and just angered when the bug happened
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duplicates 1
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See also MC-159518 for the client-side issue (no animation playing when a bee is standing still, even when in the air).
I merged this ticket into MC-159350, which now includes all cases in which this issue happens.
Chandler
See also MC-159350, which is very similar, but reproduced in a different way. Basically, every time a bee tries to pathfind, but can't find a valid path, it's standing still.