Unreal Engine Issues
Unreal Engine Issues
USplineMeshComponent::CalcBounds may return invalid value
USplineMeshComponent::CalcBounds function should be returning an FBoxSphereBounds type, but in the implementation it instead outputs an FBox. This may result in the returning of invalid results, esp ...
LOD dithered fade-out transition does not work since UE5.4
UE - Rendering Architecture - Aug 7, 2024When DitheredLODTransition is enabled for HierarchicalInstancedStaticMesh, in the previous version (5.1.1), dithering was applied during fade-in/fade-out, but in 5.4.3, dithering is not applied duri ...
Material base color is lighter on Nanite meshes when using 16-bit GBuffer
UE - Graphics Features - Nanite - Aug 6, 2024The base color is brighter on Nanite meshes than non-Nanite meshes when GBuffer Format is set to "Force 16-bits per channel" (r.GBufferFormat 5) even though the meshes are using the same material. ...
MemReport does not seem to respect mesh streaming
UE - Rendering Architecture - Aug 6, 2024The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...
Screen Probes and Specular Firefly Flickering near screen edges
UE - Graphics Features - Lumen - Aug 6, 2024Lumen's rough specular indirect lighting buffer can have fireflies along the bottom and right edges of the screen. Also tested in //UE5/Main, CL: 35177423 ...
Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()
UE - Gameplay - Aug 6, 2024In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...
In a LevelSequenceActor, binding the Sequence Player via Details Panel is not firing any events once the condition is met.
UE - Anim - Sequencer - Aug 5, 2024In a LevelSequenceActor, binding the Sequence Player via Details Panel is not firing events related to the execution of the designated Level Sequence Asset. Manually binding on BP (pulling a connect ...
Streaming level is not visible when WorldPartitionRuntimeHashSet level is preloading and transitioning with package game.
UE - World Creation - Worldbuilding Tools - World Partition - Aug 5, 2024In levels where "WorldPartitionRuntimeHashSet" is specified as the runtime hash class, the world partition may not be correctly visible only in the package. This issue is reproduced only in packaged ...
Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor
UE - Framework - Components - Aug 5, 2024When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...
Curve Table Editor's "Add Key" functionality does not work and appears to not be implemented..
UE - Editor - Workflow Systems - Aug 5, 2024Creating a new Curve Table asset, and then trying to use the right-click menu "Add Key" option does not do anything. FRealCurveModel still has the function, but it is left intentionally empty despit ...