Unreal Engine Issues
Unreal Engine Issues
UMovieSceneTrackInstance::GetWorld() does NOT work properly in Editor
UE - Anim - Sequencer - Mar 28, 2023UMovieSceneTrackInstance::GetWorld() returns nullptr on Editor, so user can't use any function using WorldContext and Subsystem. The following code change may fix this issue UWorld* UMovieSceneTra ...
Address Sanitiser in MSVC incorrectly identifies a non-virtual destructor, but the class is not polymorphic
UE - Rendering Architecture - Shaders - Jun 11, 2024When built with Address Sanitiser, the engine can except in FShaderPipeline::FindOrAddShader on deletion of the Shader pointer. This appears to be in error as FShader is asserted to be non-polymorp ...
Crash on Mac when attempting to Join Sessions
UE - Platform - Apple - Nov 17, 2015User reporting crash on his Mac. He seemed to have narrowed down the reproduction to attempting to join a multiplayer session. "After the crashes when I restart UE4 and open my project some BPs are ...
Crossfade sharing doesn't allow more than one shared transition
OLD - Anim - Apr 29, 2016Looking at the propagate function:void UAnimStateTransitionNode::PropagateCrossfadeSettings() { UEdGraph* CurrentGraph = GetGraph(); for (int32 idx = 0; idx < CurrentGraph->Nodes.Num(); idx++) ...
Crash Occurs When Using Invalid HideCategories
UE - Gameplay - Blueprint - Aug 8, 2016The licensee is experiencing a crash when using UCLASS(HideCategories = (Activation, LOD, Collision, Rendering, TextureStreaming, Lighting, Mobile, Transform, Physics, Tags)) This crash occurs afte ...
Components added through blueprints behave differently than components added in the level
UE - Gameplay - Blueprint - Jan 18, 2016Adding a component directly to a blueprint does not behave the same as a component added directly to a class/BP instance. Example: Calling AddRelativeRotation() on a mesh that is added directly to ...
"Error: No Assets to Check In" warning when using File > Submit to Source Control on Mac SVN
Tools - Jun 2, 2016When connecting to SVN source control on Mac, I am unable to submit new assets to Source Control using the File > Submit to Source Control method or through the Source Control > Submit to Source Con ...
Duplicated Blueprint Causes Incorrect Target for Events
UE - Gameplay - Blueprint - Oct 15, 2015Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...
Gameplay Debugger doesn't work in ShooterGame when "Run Dedicated Server" is checked
UE - AI - May 10, 2019The Gameplay Debugger does not function in ShooterGame when "Run Dedicated Server" is checked. This issue only affects ShooterGame and works as expected in a Blank project or if "Run Dedicated Serve ...
[Groom] Very thin hair has incorrect raytraced shadow on edges
UE - Graphics Features - Lumen - Jun 8, 2020This only happens when 1) Hair Width is very small. e.g. 0.01 in the example 2) Light has raytraced shadow and Samples Per Pixel has a value > 1. e.g. 8 in the example The problem seems to be rel ...