Source Textures used with a Rect Light are blurry and diffused

UE - Graphics Features - Mar 14, 2023

This is a regression from 5.0.3 tested in the following streams:BranchChange ListResults//UE5/Release-5.020979098Did not reproduce//UE5/Release-5.123901901Reproduced//UE5/Release-5.224608918Reproduc ...

Nanite Displacement Bounds Mismatch Causes Floating Terrain Artifacts on Landscape

UE - Rendering - Graphics Features - Nanite - Mar 19, 2026

Summary When Nanite Tessellation (Nanite Displacement) is enabled on a Landscape in UE 5.7.3, scaling the Displacement value via Multiply nodes in the material graph causes floating terrain ghost a ...

Blank project do not show steamvr motion controller and is not working.

UE - Platform - XR - Dec 18, 2019

VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...

Log list console command shows duplicated category entries

UE - Foundation - Core - Oct 19, 2016

"log list" console command outputs log categories - a licensee reported they see duplicated category entries in 4.13. (e.g. logFileCache, logHMD, logHUD) Actually 4.11 and 4.12 had duplicated entri ...

Windows Metal Shader Compiler creates invalid shaders for iOS

UE - Platform - Apple - Feb 23, 2024

When installed app is started on device, log will say there's missing or invalid metal shaders ...

SubwaySequencer crashes when launched in Standalone Game

OLD - Anim - Jan 18, 2017

SubwaySequencer is crashing when launching in standalone game Reported here originally:シーケンスの再生に関して ...

Lumen generates gradated shading even if the light is a constant color sky light

UE - Rendering - Graphics Features - Lumen - Jul 22, 2022

Lumen generates a gradated shading even if objects are lit by a 360-degree constant sky light.[Link Removed][Link Removed] I looked into this and found that this comes from Spherical Harmonics int ...

UProperty meta ShowOnlyInnerProperties doesn't properly propagate through UStructs

UE - Editor - Verse Class Editor - Oct 30, 2023

ShowOnlyInnerProperties does not work when a UStruct is embedded inside another UStruct ...

Point light leaking throught thin geometry

UE - Graphics Features - Oct 29, 2024

In 4.27, ray traced point lights can leak through thin meshes. This bug does not exist in Unreal Engine 5, due to many of the potential rendering areas being fundamentally changed. ...