Unreal Engine Issues
Unreal Engine Issues
Ragdoll Physics Assets Move Sporadically After Ragdoll Physics Event Invoked
UE - Simulation - Physics - Character - May 3, 2022Occurs 3/3 times. Skeletal mesh with ragdoll physics applied exhibits sporadic motion after ragdoll physics is initiated. Regression does occur: When tested in //UE4/Release-4.27.2 @ CL18319896 n ...
Movie Scene Capture - DX12 Render Artifacts and Delay
UE - Rendering Architecture - RHI - Jun 19, 2023If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts. However, the delay and artifacts do not appear when using ...
Debug display of TargetingSelectionTask_AOE with cylinder is unnaturally tilted
UE - Gameplay - Gameplay Ability System - Oct 30, 2024The following code fixes the tilt : void UTargetingSelectionTask_AOE::DebugDrawBoundingVolume(const FTargetingRequestHandle& TargetingHandle, const FColor& Color, const FOverlapDatum* OverlapDatum) ...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Graphics Tools - Modeling Tools - Jan 15, 2025Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...
GLTFExporter indexing issue
UE - Editor - Content Pipeline - glTF - May 29, 2025Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...
Soft angular constraints solve velocity like hard constraints
UE - Simulation - Physics - Jul 17, 2025Soft angular constraints are solving velocity like hard constraints. Instead of swinging back and forth, the affected body just snaps to 45 degrees. Check the steps to reproduce for more details. Th ...
Packaged Game Crashes When Launched with the -dx12 for Ray Tracing Features and PixelStreaming enabled
PixelStreaming - Apr 3, 2019Packaged game crashes when launched with the -dx12 option and PixelStreaming is enabled. Found in 4.22 CL# 5660361 and 4.23 CL# 5704223 ...
Crash while closing Create Blank New Blueprint window after attempting to name blueprint the same name as another blueprint
UE - Gameplay - Blueprint - Jul 27, 2016Crash while closing Create Blank New Blueprint window after attempting to name blueprint the same name as another blueprint. This crash only occurs when attempting to close the window using the "X" ...
[CrashReport] UE4Editor_Engine!UEdGraphPin::Modify() [edgraphpin.cpp:619]
UE - Gameplay - Blueprint - Aug 29, 2017This is an infrequent crash coming out of the 4.17 release. User DescriptionsNICE PIN FIX NOW I CANT ADD VARIABLES NORMALLY Source Context 612 void UEdGraphPin::SerializeAsOwningNode(FArch ...
Hot reload can prevent code components from being accessible in blueprints
UE - Foundation - Cpp Tools - Hot Reload - Sep 29, 2017When a class is edited / hot reload preformed, code based components are sometimes removed from the MyBlueprint > Variables section and cannot be dragged from the Components tab into the graph with ...