Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer.
Result: The stereo layer appears to slide or float from side to side as your head moves
Expected: The stereo layer would appear fixed in place and would not move
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-59275 in the post.