Rendering

Topic	Replies	Views	Activity
Lumen GI and Reflections feedback thread Lumen , unreal-engine , Staff-Pick-UE Hi everyone, I’m starting this thread for feedback and discussion about Lumen GI and Reflections in UE5. We’re under a lot of pressure with internal deadlines so can’t promise responses, but we will read everything here…	2339	142012	February 11, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15376	November 17, 2021
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	761	41013	February 19, 2026
Foliage shadow flicker in render with UE 5.7 unreal-engine	3	19	February 18, 2026
I accidentally made my nanite meshes NOT work with decals...what did I do??? Nanite , question , Decals , unreal-engine , emissive	0	8	February 18, 2026
World Aligned Texture + Modernised Version - Weird Shadow / Darkness On Mesh question , unreal-engine	2	16	February 18, 2026
Skeletal Mesh animations not playing when far away? Animation , question , Rendering , unreal-engine , bones	4	1330	February 18, 2026
Volumetric Shadows issue after certain scale unreal-engine	0	4	February 18, 2026
HLOD landscape building is broken in editor (UE 5.7.2) question , editor , CPP , bug-report , unreal-engine	1	113	February 18, 2026
I have wonky shadows, How do I fix?? (UE4.27) Blueprint , question , unreal-engine	8	26	February 18, 2026
Random Ray Tracing Crashes in D3D12RHI question , unreal-engine , Epic-Pro-Support	5	101	February 18, 2026
Green screen render question , unreal-engine	3	28	February 18, 2026
Epic's GPUlightmass unreal-engine	842	70438	February 17, 2026
Switching between multiple Frame Generation sources at runtime question , unreal-engine , Epic-Pro-Support	2	14	February 17, 2026
Twinmotion not running fluidly on Mac M4 Max Cpu 16 core, GPU 40-core- neural 16 core - 64GB RAM twinmotion	0	12	February 17, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	2	70	February 17, 2026
Error during custom RayTracer Shader initialization unreal-engine	4	136	February 17, 2026
Unreal (5.4.4 and 5.6 Preview) Lightmass on Mac stopping at 0% question , Lightmass , apple , building-lighting , unreal-engine , baked-lighting , Macos	9	575	February 17, 2026
USceneCaptureComponent2D produces large checkered cube instead of charactrers question , unreal-engine	1	18	February 16, 2026
Does Fortnite support deferred shading on mobile? question , Rendering , Forward-Rendering , fortnite , unreal-editor-for-fortnite , UEFN	1	11	February 16, 2026
How do I get accurate and performant coastal reflections? question , unreal-engine	8	73	February 16, 2026
Why is the Starter Content pack gone? question , editor , unreal-engine	8	80	February 16, 2026
Landscape displacement not working question , unreal-engine	1	20	February 16, 2026
UE 5.7 Pathtracer Fatal error in large scenes question , unreal-engine , dx12 , Path-Tracer	6	326	February 16, 2026
The camera vector in postprocess material seems wrong? question , Post-Processing , Rendering , unreal-engine , UE5-0	9	1964	February 16, 2026
Switching Between Clear/Blur on Glass Material. Best Way to Adjust Opacity Independently? blur , unreal-engine , glass , opacity	0	23	February 15, 2026
Unreal 5.1 High Resolution Bug URGENT FIX NEEDED Lighting , Rendering , UE5-0	16	2704	February 15, 2026
Movie Render Queue and High Resolution Screenshot - Future friends? question , unreal-engine	4	1997	February 15, 2026
Level Sequence Rendering Glitch/Bug question , unreal-engine	2	25	February 15, 2026
Refresh Texture Streaming Pool Without Restart? (r.Streaming.PoolSize Improvement) question , unreal-engine	5	298	February 14, 2026

Lumen GI and Reflections feedback thread

Lumen , unreal-engine , Staff-Pick-UE

Hi everyone, I’m starting this thread for feedback and discussion about Lumen GI and Reflections in UE5. We’re under a lot of pressure with internal deadlines so can’t promise responses, but we will read everything here…