Severe ghosting in VR when using Lumen — baked lighting looks perfect, but Lumen causes heavy ghosting

Hey everyone,

I’m running into a really annoying ghosting issue in VR when using Lumen.
With baked lighting, everything looks perfectly stable, no ghosting at all.
But as soon as I switch to Lumen, I start getting heavy ghosting / trailing on almost every moving element, especially when turning my head in VR.

What I’m seeing:

  • Ghosting appears as a persistent “afterimage” or smearing when moving the headset.

  • It’s very noticeable on bright edges, emissive materials, and reflective surfaces.

  • When switching back to baked lighting, the issue disappears.

What I’ve tried (no success so far):

  • Adjusted every PostProcess setting (exposure, motion blur, AA, bloom, tone mapper, etc).

  • Tested all anti-aliasing methods (TAA, TSR, FXAA, no AA).

  • Disabled motion blur and temporal upscaling.

  • Changed Lumen settings (r.Lumen.*, r.LumenReflections.*, etc) through console commands.

  • Cleaned Derived Data Cache, restarted drivers, even recreated the project — still the same.

Setup:

  • GPU: RTX 5090

  • VR Headset: Meta Quest 3

  • Unreal Engine Version: 5.6.1

I can provide any further information, just let me know.