Unreal Engine Issues
Unreal Engine Issues
Null FPhysicsActorHandle dereference in FBodyInstance::InitDynamicProperties_AssumesLocked when CreateShapes_AssumesLocked fails during async body init
UE - Runtime - Simulation - Aug 2, 2026Summary When CreateShapes_AssumesLocked fails during async body creation, the failed FBodyInstance is left in Bodies[] with a released actor handle. InitDynamicProperties_AssumesLocked is then called ...
[CrashReport] UE4Editor-MetalRHI.dylib!TranslatePrimitiveType()
UE - Graphics Features - Nov 16, 2017This is an infrequent but longstanding Mac crash that has occurred since at least UE 4.15. User DescriptionsTried to look at LOD Coloration Callstack from Log[2017.11.15-20.09.54:885][537]TextureS ...
Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash
UE - Gameplay - Blueprint - Jun 28, 2015Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash. This does not occur in the Even ...
Crash when using StepToNextShot / PreviousShot with sequencer
UE - Anim - Sequencer - Jul 24, 2018A crash occurs when you press the Shift key + [.] (Period) key after double-clicking on one of the arranged level sequences in the master sequence. The cause is ActiveTemplateIDs of FSequencer. The ...
Multiple keys with the same value appear to be removed on Android for a Curve Table
UE - Gameplay - Components - Jul 8, 2019When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...
Crash when using Set Collision Response on a Destructible component
UE - Simulation - Physics - Destruction - Dec 20, 2016Crash when using Set Collision Response on a Destructible component. The repro is using the Construction Script but this also happens using Event Begin Play in the Event Graph on play. It crashing ...
Crash changing variable type from Object Reference to Actor Soft Object Reference
UE - Gameplay - Blueprint - Oct 3, 2017REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...
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) ...
Illegal reference to private object when cooking a child level sequence with a time warp track
zComponent - Archive - Apr 28, 2025Slack: [Link Removed] Another Slack: [Link Removed] Cook error:UATHelper: Cooking (Windows): LogSavePackage: Warning: UATHelper: Cooking (Windows): Referencers of MovieSceneTimeWarpSection /Gam ...
Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers
UE - AI Workflows - UI Systems - UMG - Dec 5, 2022This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers. This onl ...