Unreal Engine Issues

TSlateMaterialShaderPSDefault cast error when opening Platform Stats in Lyra's M_UI_Base_BordersAndButtons Material

Licensee has provided a potential fix, please see the UDN link. Callstack attached utilised -onethread ...

Ensure occurs if the decal scale is set to a very small value

The variable emitting this ensure (RelativeWorldToDecalMatrix) is not actually used, so this line can be removed. FDeferredDecalPS::SetParameters ... const FLargeWorldRenderPosition AbsoluteOri ...

Instanced Impostors Render Black in UE5 editor

BinaryConfig cannot be created in packaging if there is a space in the file path name.

Error log is output when including spaces when packaging binary configurations. The following log contains the string "Test Test" with spaces in the file path. ERROR: Failed to copy D:\Projects\Te ...

Push based, COND_InitialOnly property can fail to be replicated when actor becomes relevant again

COND_InitialOnly properties can be resent when an actor becomes relevant to a client again. However, if the property is push based and it was never replicated the first time the actor was created on ...

Replicated subobject won't be recorded in replay checkpoints if it has no replicated properties

Because the subobject's RepLayout is empty, it won't write anything to the bunch when recording a replay checkpoint. This means that when scrubbing to a time past a checkpoint, the destroyed subobje ...

GPU Lightmass ignores IES Profiles on Static Lights while building lighting

This is a regression tested in //UE4/Release-4.27 CL#18319896 GPU Lightmass ignores IES Profiles on Static Lights while building lighting. Tested with different Global Illumination and Reflection s ...

D3D validation error about resources being deleted while in use

We believe this is a bug in the D3D validation layer, rather than an actual error in our code. We're in touch with Microsoft about it, but I'll make this ticket to track the progress of that investi ...

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

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]

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