Unreal Engine Issues
Unreal Engine Issues
Max Deviation setting is never used for Mesh Reduction, causes incorrect values for automatically computed LOD distances
UE - Graphics Features - Feb 1, 2018The Max Deviation setting for a static mesh LOD is never used for Mesh Reduction. This results in incorrect values for automatically computed LOD distances, because the calculation uses the Max Devi ...
PostLoadGroup can cause materials to cache GWhiteTexture into uniform expressions
UE - Rendering Architecture - Mar 6, 2024It may occur that during loading screens, materials using material layers will load with GWhiteTexture before the real textures are ready. This seems to be because of a race condition due to PostLoa ...
Actor moves between levels when using Convert Actor
Tools - Jan 9, 2017Using Convert Actor when the wrong level is selected can cause the actor to move levels. This doesn't seem to happen with every actor type but is 3/3 reproducible using the steps provided. User Des ...
UnrealVS is not working in Visual Studio 2017
UE - Foundation - Core - Mar 17, 2017The UnrealVS add-on appears to install correctly in Visual Studio 2017 (resolved in [Link Removed]), but it does not appear to be working correctly in that version of Visual Studio once it is instal ...
Variables in Child Actor Template not Updating from Construction Script
UE - Gameplay - Blueprint - Sep 18, 2017Project showing the issue attached. Variables in child actor template not updating based on changes made in child actor's construction script. Per licensee, "I'm basically trying to make a child a ...
Unable to build a local installed build of the Engine with only VS 2017
UE - Foundation - Core - Oct 17, 2017I was unable to reproduce this locally, but a licensee reported having trouble creating a local installed build of the Engine with only Visual Studio 2017 installed. The licensee reported that the S ...
Easing Curve Handles are intractable on tracks even if they are not visible
UE - Anim - Sequencer - Apr 25, 2019Easing curve handles are interactable on tracks that do not support them. ...
Potential Memory Leak when frequently terminating and re-initializing FConstraintInstance
UE - Simulation - Physics - Mar 29, 2022From User: When frequently terminating and re-initializing the FConstraintInstance, there appears to be a leak when cleaning up the disabled joint, which leads to an ever growing list that gets sort ...
AddTimedDisplay causes crash when changing level
UE - Gameplay - Dec 8, 2022RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...
Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute
Tools - May 26, 2016When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...