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…	2327	138447	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15259	November 17, 2021
Unreal Engine 5.2.1 – Viewport glitch & mouse cursor disappears (GTX 1650, Windows 11) question , unreal-engine	2	8	January 11, 2026
Textures not loading until opened question , unreal-engine , Epic-Pro-Support	10	199	January 10, 2026
Knowledge Base: Using SceneViewExtension to Extend the Rendering System unreal-engine	6	8223	January 10, 2026
Epic's GPUlightmass unreal-engine	813	68405	January 10, 2026
Alternitive to multi gpu rendering for large scenes in UE 5.6 Rendering , gpu , unreal-engine	1	68	January 9, 2026
Request for Guidance on Multi-GPU Support and Hardware Recommendations for Cinematic Rendering in Unreal Engine 5.6 question , unreal-engine , Epic-Pro-Support	5	146	January 9, 2026
Enabling Nanite on AnimToTexture Crowd Assets causes stretched VAT animations. question , unreal-engine , Epic-Pro-Support	13	315	January 9, 2026
UE5.7 renders screen 56.25% smaller than in UE5.4 for game in shipping/packaged build question , unreal-engine	3	51	January 10, 2026
Windows game renders at a higher resolution when switched from UE5.4 to UE5.7 question , unreal-engine	1	32	January 9, 2026
Hair shading model material looks sharp question , Shaders , unreal-engine	2	55	January 9, 2026
MarkCompilationComplete CheckCompilingPSOs result assert question , unreal-engine , Epic-Pro-Support	2	55	January 9, 2026
Where is Draw only Geometry causing VSM invalidations in 5.5? question , unreal-engine	4	229	January 9, 2026
Need help with weird light artifacts question , unreal-engine	8	51	January 9, 2026
[5.5.4] Enabling Rough Diffuse Materials and Energy Conservation turning materials black/white question , unreal-engine	0	11	January 9, 2026
MetaHuman UV Seam Skin Tone Inconsistency with Static Lighting Settings question , unreal-engine , Epic-Pro-Support	9	158	January 9, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	744	39421	January 9, 2026
r.ScreenPercentage 50 does not work for me on XSX question , unreal-engine	0	12	January 8, 2026
Convolution cernel disappears question , Lighting , Bloom , unreal-engine	0	11	January 8, 2026
Render time 96 hours for 10 seconds video question , Rendering , twinmotion	5	58	January 8, 2026
Make my character non affected by light question , unreal-engine	2	32	January 8, 2026
Is it possible to force Virtual Shadow Maps to update? question , unreal-engine	5	934	January 8, 2026
Twinmotion Panorama Set Export Fails question , twinmotion	8	34	January 8, 2026
Runtime Virtual Texture renders black unreal-engine	13	13208	January 8, 2026
[UE5] Anime/Toon/Cel Shading Model (WORKS WITH LAUNCHER ENGINE VERSIONS) Lighting , Rendering , unreal-engine , UE5-0	175	60829	January 8, 2026
Active StereoScopic rendering: Runtime Switching bw 2d & 3d question , Rendering , unreal-engine , stereoscopic , stereo-rendering	0	12	January 8, 2026
Who will be enabling substrate on their existing projects? unreal-engine , Substrate	1	17	January 8, 2026
After baking lighting, map crashes attempting to open question , editor , crash , Rendering , unreal-engine	4	168	January 8, 2026
Rendering Water with Temporal Anti-Aliasing question , unreal-engine	1	346	January 8, 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…