The Bug:
Fishing bobbers rapidly jitter when attached to entities that are moving.
Steps to Reproduce:
Obtain a fishing rod.
Cast the fishing bobber and attach it to yourself.
Switch to third person, run around, and watch the fishing bobber closely.
Observed Behavior:
Fishing bobbers rapidly jitter.
Expected Behavior:
Fishing bobbers would not rapidly jitter.
I am able to reproduce the reported behavior. It was introduced in 25w02a.