Unreal Engine Issues
Unreal Engine Issues
GAS: DefaultSubobject AttributeSet becomes invalid on duplicated blueprint
UE - Gameplay - Gameplay Ability System - Apr 22, 2025When a native actor 'AMyActorClass' creates AttributeSets as a default subobject via CreateDefaultSubobject, duplicating an actor blueprint based on AMyActorClass will result in a blueprint with an ...
Child component reports Parent during On Hit events instead of itself
UE - Simulation - Physics - Solver - Sep 12, 2022This is a regression tested in //UE4/Release-4.27 cl18319896 Child collision component reports its' Parent during On Hit events instead of itself. ...
Player state on clients does not get set properly
UE - Networking - Jul 23, 2015When playing in Standalone with multiple characters there's the the chance that one of the player states does not get set and remains null. This is not a 100% repro case. Multiple tests may be req ...
Static mesh component reports relative transform as world transform when Physics is enabled
UE - Gameplay - May 3, 2016If a static mesh component has Simulate Physics enabled, GetRelativeTransform() returns the value of world transform. ...
GAS: Initial OnRep_SpawnedAttributes from DefaultStartingData clears attribute values for already replicated ActiveGameplayEffects
UE - Gameplay - Gameplay Ability System - Oct 23, 2024Context The property 'DefaultStartingData' in AbilitySystemComponent can be configured from blueprint to spawn default attribute sets. This happens OnRegister. For runtime spawned actors like pawns ...
Creating a Blueprint using "Event Tick" and adding a "Breakpoint" constrains the user's mouse cursor to the Blueprint editor window when pressing "Play"
UE - Gameplay - Blueprint Editor - Oct 2, 2017When adding a Breakpoint within the "Blueprint Class Actor" editor using "Event Tick," the mouse cursor becomes constrained within the editor window box immediately after pressing Play. The mouse cu ...
UGameplayStatics::SpawnEmitterAttached keeps relative location when SnapToTarget is used.
UE - Gameplay - Aug 10, 2016UGameplayStatics::SpawnEmitterAttached will keep relative position when using SnapToTarget. ...
Incorrect clipping when user widgets are add to another widget
UE - Editor - UI Systems - Jul 10, 2015When adding a use created widget to another widget the size does not always calculate correctly and this can lead to unexpected clipping. ...
World-space widget components drawing at desired size won't draw any smaller than 100x100
UE - Editor - UI Systems - UMG - Apr 19, 2022Widget components set to "draw at desired size" won't draw any smaller than 100x100. This looks to be related to the hard-coded desired size of the SPopupLayer (callstack attached). This problem did ...
Callback set with AddNativeStateEntryBinding() stops working after ABP compile during PIE
UE - Anim - Runtime - Anim Blueprints - Aug 15, 2024After compiling the Animation Blueprint (ABP) during Play In Editor (PIE), the callback registered with UAnimInstance::AddNativeStateEntryBinding() in NativeInitializeAnimation() stops functioning a ...