Unreal Engine Issues
Unreal Engine Issues
[Interchange][FBX] Import of custom collision add the collision mesh material slot to the mesh material slot
UE - Editor - Content Pipeline - FBX - Jan 20, 2025cf part 2 of that UDN https://udn.unrealengine.com/s/question/0D5QP00000rP4CG0A0/interchange-custom-collision-changes-from-fbx-pipeline?fromCase=1 ...
USD Stage - Import loses UV on a skeletalmesh with animation
UE - Editor - Content Pipeline - USD - Apr 28, 2026https://forums.unrealengine.com/t/usd-import-issue-when-trying-to-import-skeleton-with-animation/2718449 I put another png has the user forgot to add theirs. ...
CRASH: OS X frequently freezes when working with blueprints
UE - Platform - Apple - Dec 2, 2014User complains of frequent crashes when using blueprints and has provided repro steps for one incident that tends to cause a crash. While we are not able to reproduce the issue here, the customer ha ...
Stationary Skylight intensity blown out
UE - Graphics Features - Nov 29, 2016Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...
Setting window resolution to a higher amount than the screen's current resolution leads to incorrect Aspect Ratio and black bars
UE - Graphics Features - Dec 16, 2016When the resolution is set to a height that is higher than the monitor's current resolution in Windowed mode without Constrain to Aspect Ratio enabled in the Camera, the aspect ratio becomes squishe ...
MakeSureMapNameIsValid can return other assets if the name matches an Engine Content asset
UE - Foundation - Core - May 23, 2017MakeSureMapNameIsValid will take in a FString, look for an asset matching that FString and edit it to match the asset path of the asset found. This issue is caused by the function not limiting its s ...
MS_VertexAnimationTools_MorphTargets are not deforming and reforming
UE - Graphics Features - Sep 20, 2017The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...
No Dynamic Shadows From Stationary Lights in Forward Shading Without Building Lighting
UE - Graphics Features - Apr 24, 2018I've observed this issue in 4.18.3 and 4.19.1. Per Licensee: So we've spotted an issue that I wanted to put on your radar with dynamic shadowed stationary lights + r.ForwardShading=1 What we're s ...
Web browser widget appears to run at ~24 FPS
UE - Editor - UI Systems - Dec 5, 2016Web browser widget appears to fun at ~24 FPS. The FPS for the editors browser widget is much lower than what is seen on other browsers. ...
Chaos Cloth - Visualization materials cause async load flush and slows down starting a PIE session.
UE - Simulation - Core - Aug 13, 2024The loading of the cloth visualization materials disturbs async loads shortly after starting PIE which causes an async flush and several seconds stall. The solution would be to move these to a sing ...