Unreal Engine Issues
Unreal Engine Issues
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 ...
Blueprint derived from C++ class not saving correctly
UE - Gameplay - Blueprint - Jul 27, 2015The blueprint that the user is using loses some data when the editor closes and reopens despite saving all of the content. Note: Currently unsure of what exactly causes this but as I am able to rep ...
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 ...
Hierarchical LODs used with Precomputed Visibility cause actors to occlude that should not behind translucent materials
UE - Graphics Features - Jul 6, 2016When using Precomputed Visibility in conjunction with HLODs and translucent materials without them culling actors occluded by the translucent material. The example gif attached shows that the base ...
[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 ...
FBlackboardKeySelector filters aren't applied when recompiling blueprint if a behavior tree asset containing the blueprint added as a service is closed, or if the blueprint is reparented.
UE - AI - BehaviorTree - Sep 24, 2025Context In Behavior Trees, BT Services can be added to nodes. Those services can have configurable FBlackboardKeySelectors. BlackboardKeys are variables on a blackboard that the behavior tree can r ...
[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 ...
The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors
UE - Simulation - Visual - Oct 15, 2024The Remove-On-Break (ROB) feature, set on Fracture Mode on Geometry Collections (GC), was supposed to make the particle shrink until it vanishes. When the GC goes to sleep the shrinking stops and sh ...
Crash with for loop and TArray in constructor to generate multiple StaticMeshComponents
UE - Foundation - Core - Apr 20, 2015Using a TArray to store multiple components being setup inside a for loop of a constructor will crash on project open. Crash Reporter: [Link Removed] ...