Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph

UE - Rendering - Materials - Jun 6, 2022

This is a regression testing in //UE4/Release-5.0 CL#18319896 Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph. ...

[CrashReport]libUnrealEditor-RenderCore!FRDGEventScopeOpArray::Execute(FRDGBreadcrumbState&) [RenderGraphEvent.cpp:149]

UE - Rendering - RHI - Jun 6, 2022

Generated from CrashReporter Error Message:Assertion failed: !EnumHasAnyFlags(StencilAccess, AnyCopy) [File:./Runtime/VulkanRHI/Private/VulkanBarriers.cpp] [Line: 439] Only the Stencil being transi ...

Hair shading emits light when Lumen is enabled

UE - Rendering - Jun 6, 2022

This artifact does not occur when Lumen is disabled. Also, moving Roughness closer to 1 will reduce the effect. ...

HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.

UE - Rendering - Jun 2, 2022

If the same command is executed with 4.27, multiple screenshots will be saved. ...

USDStage - USD Material Overrides not reading

UE - Editor - Datasmith - USD - May 31, 2022

USD material overrides do not get applied properly to a USDStage prim inside UE.     When a material override that is set to a parent prim of USD Material, the override is ignored.   A usd material ...

Wobbling effect on meshes

UE - Rendering - May 31, 2022

Weird wobbling rendering artifact are generated on the surface of the Mesh located far from the origin.  ...

[CrashReporter]UnrealEditor-Engine!UWorldPartition::GenerateStreaming(TArray<FString,TSizedDefaultAllocator<32> > *) [WorldPartitionStreamingGeneration.cpp:570]

UE - LD & Art - World Building - World Partition - May 31, 2022

Generated from CrashReporter user's comment: Everytime I press "Play" in this specific project, the program crashes ...

When using OpenLevel to transition to a level with WorldPartition enabled during PIE, the log outputs "Failed to load '/Game/MapName': Can't find file."

UE - LD & Art - World Building - May 31, 2022

Outputs warning logs when transitioning to the World Partition level with OpenLevel. This only occurs in PIE, not in Standalone or Package builds. In PIE, it appears that the package failed to load ...

Only the first image of multi-source SVT can be exported.

UE - Editor - Framework - Import and Export - May 31, 2022