Visual Noise on Thin Translucent materials with a Directional Light

UE - Graphics Features - May 30, 2023

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...

Translucent Water renders dark with Lumen enabled.

UE - Graphics Features - Lumen - May 30, 2023

Regression tested in 5.1 at CL 23901901 where the issue still occurs. The material will still have the normal and reflective properties. ...

Inconsistencies in SMInstance Proxy Object Creation

UE - Editor - Workflow Systems - May 30, 2023

Sometimes when adding instances to Instanced Static Mesh component, you can click on individual instances in the editor and get special detail view - simple transform with the instance index number ...

UAnimSequence::ExtractRootMotionFromRange causes problems on skeletons with different root bone ref transforms

UE - Anim - Gameplay - May 29, 2023

We should disable this block of code by default, with a config/console var to enable it: // Transform to Component Space const FTransform RootToComponent = RootTransformRefPose.Inverse(); StartTran ...

Actor attached to other actor in LevelInstance has very large bounds

UE - World Creation - Worldbuilding Tools - Level Instances - May 26, 2023

Attached actors do not return to LevelInstance space at the end of LevelInstance editing, and bounds contains level instance offset location. This results in huge bounds. My workaround is:  void FL ...

FTabManager::FindPotentiallyClosedTab Crash Due to Invalid Array Indexing

UE - Editor - Workflow Systems - May 25, 2023

As you can see from the above callstack it appears that calling RestoreArea can call FindPotentiallyClosedTab again higher in the stack, which can Remove() an entry from CollapsedDockAreas- this cau ...

AutoCreateRefTerm UFUNCTION meta specified can interfere with function default arguments

UE - Foundation - Core - May 25, 2023

Example function provided by the user:.h UFUNCTION(BlueprintCallable, meta = (AutoCreateRefTerm = "TestInt,TestName")) static void TestAutoRefs(const int32& TestInt = 2, const FName& TestName = ...

DumpShaderAsm function fails to load compiler DLL and does not output disassemble code

UE - Rendering Architecture - May 24, 2023

This is a path specification problem, so if the correct path is given, the DLL will load correctly.static void DumpShaderAsm(FString& String, const D3D12_SHADER_BYTECODE& Shader) { #if D3D12RHI_US ...

DistanceFieldReplacementMesh doesn't work properly for Nanite meshes

UE - Graphics Features - Nanite - May 24, 2023

Cannot assign a MediaTexture asset to a Brush -> Image in Widget Blueprint

Media Framework - May 23, 2023

Can't assign Media Texture assets to the Brush->Image property in Images on Widget Blueprints. This workflow is explicitly mentioned as a step in these docs, so if this is no longer the correct meth ...