When the player is using a Shield, the Shield doesn't follow the direction of the player is looking at, this changes has been introducted in Java Snapshot 23w40a
Steps to reproduce:
Give yourself a Shield, and then equip it on you Offhand or Main Hand
Changes your perspective to 3rd person front
Activate your Shield by sneaking and then move your camera
Expected results: The shield follow the direction of the player is looking at, just like Java Edition
[media]
Observed results: The Shield doesn't follow the direction of the player is looking at