Locked at 35fps in UE-5.3.2 VR Preview after having 72fps consistently

CoolIguana381
Fri, 21 Mar 2025 09:58:22 +0000
Programming & Scripting

I use UE-5.3.2, the MetaXR Plugin, Meta Quest Pro and MetaHumans for a VR project. My PC setup includes 32gb RAM and a Nvidia 3080ti.

Typically, when I use the VR Preview, I consistently get 72fps which is the Hz the Quest Pro uses. However, when I work on the project, e.g. move actors around the scene or change some scripts, for a few minutes (5-15min), I only get 35fps/36fps and it seems to be locked on this fps value. After restarting Unreal, I have 72fps again.

What could be the problem?

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