# Lumen no longer working in UE5.5 DX11 SM5

**URL:** <https://forums.unrealengine.com/t/lumen-no-longer-working-in-ue5-5-dx11-sm5/2126402>\
**Category:** Rendering\
**Tags:** dx11, unreal-engine, Lumen\
**Created:** [November 16, 2024, 12:43am UTC](https://forums.unrealengine.com/t/lumen-no-longer-working-in-ue5-5-dx11-sm5/2126402 "2024-11-16T00:43:37Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jblackwell](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@jblackwell](https://forums.unrealengine.com/u/jblackwell)\
**Post date:** [November 16, 2024, 1:18am UTC](https://forums.unrealengine.com/t/lumen-no-longer-working-in-ue5-5-dx11-sm5/2126402/2 "2024-11-16T01:18:35Z")

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Both DX11 and SM5 for lumen were deprecated, a while ago I think- I don’t think they’ll be coming back; although frankly, your perf numbers are something remarkable.

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