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	138804	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15272	November 17, 2021
Lumen (GI) hit lighting channel issue question , unreal-engine , Epic-Pro-Support	3	80	January 14, 2026
Rendering without Fireflies Rendering , unreal-engine	1	114	January 14, 2026
NVIDIA Driver 580+ makes the DoF low quality Post-Processing , Rendering , Depth-Of-Field , bug , unreal-engine , DOF , artifacts	7	538	January 14, 2026
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	329	17557	January 14, 2026
Custom Depth Post-Process Stopped Working in 5.6 question , Rendering , unreal-engine , Post-Process , custom-depth	1	82	January 14, 2026
Use the Unreal Engine to output the shadow of a certain object,(使用虚幻引擎输出某个物体的感觉的阴影） Rendering , unreal-engine	0	7	January 14, 2026
How to runtime change frame generation method? How to recreate the window at runtime? unreal-engine	1	23	January 13, 2026
UMG Textures extremely pixelated question , texture , unreal-engine , UMG	16	15307	January 13, 2026
How disable game upscaler (r.Upscale.Quality 0) in UE 5.7? question , Rendering , Anti-Aliasing , unreal-engine	2	38	January 13, 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	6	168	January 13, 2026
Textures not loading until opened question , unreal-engine , Epic-Pro-Support	12	240	January 12, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	6	293	January 12, 2026
Epic's GPUlightmass unreal-engine	815	68599	January 12, 2026
How to bake vertex painted blend material to textures? question , unreal-engine	1	103	January 12, 2026
Warm up frames with Path Tracing? unreal-engine	0	26	January 11, 2026
UE5.7 Windows - UMG text block not fully aligned to center of the screen question , unreal-engine	2	31	January 11, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	745	39618	January 11, 2026
Unreal Engine 5.2.1 – Viewport glitch & mouse cursor disappears (GTX 1650, Windows 11) question , unreal-engine	2	18	January 11, 2026
Knowledge Base: Using SceneViewExtension to Extend the Rendering System unreal-engine	6	8260	January 10, 2026
Alternitive to multi gpu rendering for large scenes in UE 5.6 Rendering , gpu , unreal-engine	1	75	January 9, 2026
Enabling Nanite on AnimToTexture Crowd Assets causes stretched VAT animations. question , unreal-engine , Epic-Pro-Support	13	325	January 9, 2026
UE5.7 renders screen 56.25% smaller than in UE5.4 for game in shipping/packaged build question , unreal-engine	3	55	January 10, 2026
Windows game renders at a higher resolution when switched from UE5.4 to UE5.7 question , unreal-engine	1	34	January 9, 2026
Hair shading model material looks sharp question , Shaders , unreal-engine	2	58	January 9, 2026
MarkCompilationComplete CheckCompilingPSOs result assert question , unreal-engine , Epic-Pro-Support	2	57	January 9, 2026
Where is Draw only Geometry causing VSM invalidations in 5.5? question , unreal-engine	4	233	January 9, 2026
Need help with weird light artifacts question , unreal-engine	8	65	January 9, 2026
[5.5.4] Enabling Rough Diffuse Materials and Energy Conservation turning materials black/white question , unreal-engine	0	16	January 9, 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…