Interactable object jitters and offsets when held in left hand (UE 5.3 / OVR 1.97 / Meta Quest 3)

[shez32]

I have this weird behavior with the interactable actor whereby when the object is held in the left hand, it jitters and starts to behave erratically sometimes offsetting huge amounts and moving away from the hand. This stops when the hand is moved around or the player starts moving, however, this is very immersion breaking. I did not have any such issue in UE 5.2 with OVR 1.89 but due to packaging issues I have moved to 5.3. I can package the game successfully, but this specific bug is really a huge issue with my project. Btw, I have downloaded a completely vanilla template of the Unreal Hand Gameplay 5.3 and the issue still exists, so this is obviously an issue in template. Btw, I have not made any changes to the plugins. I am using the OVR + Open XR backend, I have tried changing the hand tracking frequency and hand tracking version, but there is no effect.

I have attached a video as reference.

https://www.dropbox.com/scl/fi/f35jvuc6gjr4711jly8q1/Bug.mp4?rlkey=c19sft0zjdt6xwt3liimlwz2m&st=ffvcjxv9&dl=0

[jasonmeisel]

That is a weird issue!

Could you provide the commit hash for the version of this project you're using? As well as the OVR SDK version? And which version of UE are you using - are you using the Oculus fork?

As of the latest version, we aren't repro-ing the issue.

[shez32]

I did not clone the repo and downloaded a zip file, Unfortunately, I deleted the zip file as well, and can't retrieve the commit SHA.

I am using the Oculus Fork of Unreal Engine 5.3, which includes OVR version 1.97. I am also using version 65 of the Meta XR Plugin.

I also downloaded Unreal Engine 5.5 (not the Oculus branch) with the latest Meta XR plugin (v76). I built the template for 5.5, but the issue still persists. The jitter is even more prominent in the Meta XR simulator. Have a look at the video. UE 5.5 is using OVR Plugin 1.108.

https://www.dropbox.com/scl/fi/45sg6irc4017dscruvmt2/bug2.mp4?rlkey=2q247tyusai84ubpz04ey6yrp&st=xo0e2yba&dl=0

Just to be on the safe side, I also cloned the template again. Its commit hash is :
6c7b96f
I built the template for 5.5, and again, the issue still persists. Btw, the object only starts to move away from the hands when you are perfectly still. I think that's why the issue is more prominent in the Meta XR simulator because the hands are virtually static. In VR, slight movement of hands stops the issue, but when the hands are still, the object starts to float away.

The only other option I have left is to try the Oculus Branch of 5.5

Btw, the template works perfectly fine in UE 5.2! But due to packaging issues, I need to shift to 5.3 or above.