# UE5.4 & Lumen Reflections

**URL:** <https://forums.unrealengine.com/t/ue5-4-lumen-reflections/2139816>\
**Category:** Rendering\
**Tags:** unreal-engine, Rendering\
**Created:** [November 21, 2024, 4:18am UTC](https://forums.unrealengine.com/t/ue5-4-lumen-reflections/2139816 "2024-11-21T04:18:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![IMMERSIV](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/immersiv/32/747711_2.png) [@IMMERSIV](https://forums.unrealengine.com/u/IMMERSIV)\
**Post date:** [November 21, 2024, 4:18am UTC](https://forums.unrealengine.com/t/ue5-4-lumen-reflections/2139816/1 "2024-11-21T04:18:05Z")

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Hi, since raytraced reflections have been removed from 5.4 onwards, there isn’t a replacement for high quality mirrored reflections. GI flickers with strange darker spots. Is there a workaround solution? Thanks

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**Author:** ![BananableOffense](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@BananableOffense](https://forums.unrealengine.com/u/BananableOffense)\
**Post date:** [November 21, 2024, 3:35pm UTC](https://forums.unrealengine.com/t/ue5-4-lumen-reflections/2139816/2 "2024-11-21T15:35:50Z")

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You just need to turn up some settings in lumen. For example:

> [@Lumen GI and Reflections feedback thread](https://forums.unrealengine.com/t/lumen-gi-and-reflections-feedback-thread/501108/1936):
>
> So I finally found some settings that’ll make the Archvis crowd stop complaining about noise under indirect light, especially in reflections. Maybe I’m late to the party here and someone else found this, but here it is: Default: r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated 4 r.LumenScene.Radiosity.HemisphereProbeResolution 4 Default (Low) Probe Resolution, Very High Temporal Count: r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated 32 r.LumenScene.Radiosity.HemispherePr…