Unreal Engine Issues
Unreal Engine Issues
Engine Crashes When Converting an Int to Float For a Map Key In Blueprints
UE - Gameplay - Blueprint Editor - Dec 11, 2019The engine crashes when trying to automatically create a type conversion node when they are used a key for a map. Found in 4.24 CL#10570792 Reproduced in 4.25 Main CL# 10646676 ...
LevelSequence Editor consumes input, even if the user last focused the Level Viewport
UE - Anim - Sequencer - Nov 27, 2024LevelSequenceEditor has input priority over the Level viewport and other editor modules even though the Level viewport has been the last one selected. An example would be a cut operation. If you ha ...
[CrashReport] UEdGraphPin::Modify - UEdGraphSchema_K2::RecombinePin
UE - Gameplay - Blueprint - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 606 void UEdGraphPin::AddStructRe ...
Function about Comparing Manifest Version in HttpChunkInstaller does not Consider Manifest File Update
Portal - May 7, 2018Current HttpChunkInstaller consider version data of manifest.But it does not consider the manifest file update. So, if user update the manifest file, HttpChunkInstaller ignores it. If changing the V ...
Infinite Loop When Generating HLOD Clusters
UE - World Creation - Worldbuilding Tools - HLOD - Aug 8, 2018The HLOD system gets stuck in a infinite loop when building. Comment from the user: ++I've tracked it down to this code: const AActor* UHLODProxy::FindFirstActor(const ALODActor* LODActor) { a ...
InstancedStaticMesh displaying corrupt lightmap data
UE - Graphics Features - May 17, 2021I think I narrowed this issue down to bad UV coordinates being interpreted during the BasePassVertexShader execution applied to instancing. At this line in VertexFactoryGetInterpolantsVSToPS: flo ...
GameplayTagQuery in editor can fail to update to new values or reset after being cancelled
UE - Gameplay - Apr 25, 2024When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...
An ensure is triggered when a StaticMesh is set inside a StaticMeshComponent on an actor, and another actor references the static mesh actor from two child actor components.
UE - Framework - Blueprint - Feb 5, 2025There is an issue when setting a Static Mesh inside a blueprint that it is referenced by another blueprint with more than one child actor. An ensure is triggered inside the engine, and there is a ...
Editor crashes when creating a new level while the current level contains an Actor with an Actor Sequence Component
UE - Anim - Sequencer - Jan 5, 2022This is not a regression. Tested in: //UE5/Main CL18218925 Binary - Crashed //UE5/Release-5.0 CL16682836 Binary - Crashed //UE4/Release-4.27 CL Binary - Crashed Having a level open that contains a ...
"r.SetRes 1920x1080f" fails to set fullscreen mode when executed through blueprint node
UE - Graphics Features - Jan 19, 2016Executing the r.SetRes _x_f command fails to set fullscreen mode when executed through blueprint node. The issue occurs when executing the command through level blueprint and an actor blueprint plac ...