Unreal Engine Issues
Unreal Engine Issues
Target Rotation of Physics Handle doesn't register and can't be manipulated on tick
UE - Gameplay - May 26, 2016Target Rotation of Physics Handle doesn't register and can't be manipulated on tick User Description: I mentioned some versions before that rotation of Physics Handles is broken and now it is even ...
EditorOnly Actor-subclass blueprints cause SavePackage warning "A dependency '%s' of '%s' was filtered, but is mandatory"
UE - Gameplay - Blueprint - Apr 20, 2020https://udn.unrealengine.com/questions/570767/filtering-bug-with-iseditoronlyactor.html On a a blueprint that inherits from an actor class such as FunctionalActor, the user can mark Actor::bIsEdito ...
Landscape BP Brushes in WP map causes changelist validation to fail
UE - Graphics Tools - Terrain - Landscape - May 13, 2022Using a Landscape BP brush in a WP map causes SCC validation to fail: [2022.05.13-09.04.47:880][473]SourceControl: Error: Changelist validation failed! [2022.05.13-09.04.47:881][473]SourceControl: ...
UEnhancedInputUserSettings::LoadOrCreateSettings does not handle the changing of a settings class in the editor
UE - Gameplay - Input - Jun 3, 2024proposed fix seems ok to me: UEnhancedInputUserSettings* UEnhancedInputUserSettings::LoadOrCreateSettings(ULocalPlayer* LocalPlayer) { UEnhancedInputUserSettings* Settings = nullptr; ...
[CrashReport] UE4Editor_Engine!USplineMeshComponent::CalculateScaleZAndMinZ()
Tools - Jun 27, 2017This is a common crash occurring in the 4.16 release. It has occurred for many users, but nearly every user's project is named some variation of "pinball", this makes me wonder if the repro is surf ...
Current animation asset is lost in animation preview when a post process anim BP is compiled
UE - Anim - Runtime - Anim Blueprints - Aug 3, 2020UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...
ISequencer::OnPlayEvent does NOT fire at the end of playback in Sequencer editor
UE - Anim - Sequencer - Jul 8, 2022ISequencer :: OnStopEvent is executed when pause, but not when playing to the last frame and stopping automatically. This is because OnStopDelegate.Broadcast(); is only in FSequencer::Pause(). When ...
Static/stationary child actor components are invisible and/or move position when placed inside a dynamically loaded level
UE - Framework - Components - Oct 31, 2024When loading a non-world partitioned level into a persistent world partitioned level, parent actors with child actor components within the loaded map will move position or become invisible. Within t ...
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.
UE - Framework - Blueprint - Jan 28, 2023As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...