Unreal Engine Issues
Unreal Engine Issues
Custom Time Dilation causes PhAT bodies to hover
UE - Simulation - Physics - Nov 5, 2015Custom Time Dilation causes PhAT bodies to hover This is not only happening with vehicles like the original bug described. This is also happening with PhAT skeletal meshes that are moving. https:/ ...
Division by zero in FAnimNode_StrideWarping::EvaluateSkeletalControl_AnyThread
UE - Anim - Gameplay - Sep 29, 2025When an Actor's CustomTimeDilation is 0.0, functions FActorTickFunction::ExecuteTick() and FActorComponentTickFunction::ExecuteTickHelper() will call AActor::TickActor() and UActorComponent::TickCom ...
Lightmass Build Hanging at Specific Percentages
UE - Graphics Features - Sep 4, 2015Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...
Lightmass Build Hanging at Specific Percentages
UE - Graphics Features - Sep 11, 2015Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...
Packaging will fail if the Nativize Blueprint Assets option is used in a project containing a third-party plugin
UE - Gameplay - Blueprint Runtime - Jul 15, 2016If a third-party plugin is present in a project that is being packaged with the Nativize Blueprint Assets option turned on, the packaging process will fail because necessary header files in the plug ...
Actor Scale is not included when converting from Matinee to Sequencer
UE - Anim - Sequencer - Nov 16, 2016Actor Scale is not included when converting from Matinee to Sequencer ...
If a custom code class is modified and a Hot Reload performed, any existing unsaved Blueprints derived from that class can no longer be saved.
UE - Gameplay - Blueprint - Feb 19, 2015When a custom code class is changed and a Hot Reload is performed, any Blueprints previously made from that class can no longer be saved. Possibly related to [Link Removed]. WORKAROUND: Close and ...
[CrashReport] UE4Editor_ShaderCore!FShader::GetVertexShader() [shader.h:568]
UE - Graphics Features - Nov 21, 2017This is a common and longstanding crash that has occurred since at least 4.16 User DescriptionsTrying to paint my new sandtexture onto the terrainOpened the material editor by double clicking a mat ...
[CrashReport] UE4Editor_Renderer!FMaterialShader::SetParametersInner<FRHIVertexShader * __ptr64>() [shaderbaseclasses.cpp:181]
UE - Graphics Features - Jun 19, 2018No user comments in crash group 172 const bool bOverrideSelection = 173 GIsEditor && 174 !View.Family->EngineShowFlags.Selection && 175 (MaterialRenderProxy- ...
ChaosCacheManager is not properly recording the state of each particle when toggling Fields and Anchor Fields in the scene.
UE - Simulation - Visual - Oct 22, 2024ChaosCacheManager is not properly recording the state of each particle when toggling Fields and Anchor Fields in the scene. During my investigations I've noticed that ChaosCacheManager does not reco ...