Static Point build different lighting shape to what the Gizmo shows

UE - Graphics Features - Jun 1, 2018

It has no problem in 4.18 ...

Macro functions with exec pins disconnected within the macro do not show logic flowing to macro during PIE

UE - Gameplay - Blueprint - Jan 22, 2015

Macro functions with exec pins disconnected within the macro do not show logic flowing to macro during PIE ...

User would like to see improvements with the high resolution screenshot function with regards to Anti-Aliasing

UE - Graphics Features - Apr 16, 2015

User would like to see improvements with the high resolution screenshot function with regards to Anti-Aliasing. They are saying that they would like higher quality reflections. ...

Strange Artifact under SingleLayerWater with dynamic directional light and LightPropagationVolumes

UE - Graphics Tools - Terrain - Water - Aug 30, 2021

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, the issue was reproduced. Regression - No [Image Removed] ...

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 ...

Crash when naming function parameter 'none'

UE - Gameplay - Blueprint - Aug 23, 2018

Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...

Cannot Parse a Custom Node as a Function Input to Another Custom Node In The Material Editor

UE - Graphics Features - Aug 30, 2018

Cannot parse a Custom node as a function input to another Custom node in material editor. This is working as expected in 4.18 CL# 3832480. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# ...

Base materials in exported Datasmith files imported into Unreal Engine are missing material function.

TM - Interoperability - Nov 19, 2024

Datasmith imports in UE do not render materials due to missing material function. Works in UE 5.6 main but not UE 5.5 or 5.4 ...

Functions containing Unicode characters break nativization on Clang-hosted target platforms.

UE - Gameplay - Blueprint - Sep 15, 2020

The UHT boilerplate code that's generated from a converted Blueprint class header file generated from a Blueprint class containing one or more function names with non-ASCII characters will fail to c ...

OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify

UE - Networking - Mar 17, 2015

OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify. They do not fire at all when setting an array element with the Set Array Elem node. Proba ...