Graphic Artifacts on AMD GPUs When Mesh is Scaled to Large Size

UE - Graphics Features - Apr 5, 2018

This issue has been observed in 4.18.3 as well as 4.19. See attached screenshot showing scene from 4.18 on Nvidia, compare to attached GIF showing same scene on AMD card. ...

Child Widget Blueprint does not inherit bindings in exe

UE - Editor - UI Systems - Nov 16, 2018

When packaging a project for Windows, Child Widget Blueprints do not inherit bindings. Tested in 4.20.3 (CL -  4369336), 4.21.1 (CL - 4567586), 4.22 (CL - 4572453) ...

Cannot use "ProjectName (Debug) (ProjectName)" debug configuration in VSCode on Mac with binary Engine installation

UE - Foundation - Core - Dec 3, 2018

Attempting to debug in VSCode on a Mac using the ProjectName (Debug) (ProjectName) configuration fails due to a missing precompiled file in the binary Engine installation. REGRESSION: No. The same ...

Calling Console Commands in Python doesn't execute

UE - Editor - Workflow Systems - Feb 5, 2019

The console commands do not execute from Python if optional PlayerController parameter is not filled. Tested in 4.20.3 (CL- 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4902349) ...

Crash when setting Anim to "None" with URO

OLD - Anim - Aug 28, 2019

A Crash can occur when setting a skeletal mesh's animation instance to None when it has Update Rate Optimizations enabled. An unverified proposed fix for this is to remove the nullptr check when ...

Can't assign LightMapCoordinateIndex on Static Mesh with generated LODs

Tools - Jan 10, 2020

Once a static mesh have generated LODS, the only lightmap index value the static mesh editor's UI accepts is 0. We should be able to set the index to any value between 0 and 3 as long as there are ...

Niagara Map Set parameters are improperly named

UE - Niagara - Mar 9, 2020

Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script  Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...

[Audio Modulation]- Modulation of Pitch Destination on a Source Bus with a Parameter Patch affects Volume instead

UE - Audio - Modulation - Mar 20, 2024

Stepping in the inner area updates the Control Bus on the Patch, but the Modulation is applied to the Volume destination instead of Pitch. Reproduction rate: 5/5 This also occurs in //UE5/Release- ...

Materials with transparency still visible in alpha with holdout in Render layers.

TM - Tools - Mar 8, 2024

The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected).  They are visible in Alpha with Holdout.  This is an Engine limitation for now. But we sho ...

The Delay node cannot be added to the StandardMacros bp in the Engine folder

UE - Gameplay - Blueprint - Jan 19, 2015

The Delay node cannot be added to the StandardMacros bp in the Engine folder. However, the Delay node can be added to a new Macro Library bp and any Macro in an actor class blueprint. ...