DFAO artefacts created by landscape painted invisible in cooked builds

UE - Rendering - Features - Jun 3, 2021

Looks like the issue stems from the DistanceFieldBentNormalAO pass ...

Crash after switching materials on a particle system mesh and saving the mesh

UE - Graphics Features - Aug 17, 2016

The repro steps are very similar to https://jira.ol.epicgames.net/browse/UE-34241 except that you have to save the static mesh before switching back to the particle editor. ...

BlueprintGetter does not work with or disable AnimGraph Fast Path

OLD - Anim - Jan 23, 2020

When used as part of the fast path in an ABP, variable Blueprint Getters are not used. If something with a getter that does not conform to or is supported by fast path, is used then fast path should ...

Hot reload can prevent code components from being accessible in blueprints

UE - Foundation - Cpp Tools - Hot Reload - Sep 29, 2017

When a class is edited / hot reload preformed, code based components are sometimes removed from the MyBlueprint > Variables section and cannot be dragged from the Components tab into the graph with ...

Local binary build looks for code files using the original file path where it was first created

UE - Foundation - Core - Feb 14, 2018

A local binary build that is installed on a computer different from the one where it was originally created, with a different root directory location, attempting to go to the definition of a Bluepri ...

SSR on Translucency is not affected by Post Process Volume

UE - Graphics Features - May 24, 2018

Screen space reflections on translucent materials are not affected by post process settings. Any changes made to SSR settings in the volume will do nothing to a material that is set to the transluce ...

Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map

UE - Rendering - Features - Jun 17, 2022

Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...

DeprojectScreenPositionToWorld has inaccurate behavior in VR

UE - Platform - XR - May 6, 2015

Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...

Any Alpha value set in a FLinearColor used to draw a line on a Canvas HUD is ignored when the line is drawn

UE - Graphics Features - Apr 21, 2015

If an Alpha value is set in a FLinearColor that is used to draw a line on a Canvas HUD, the Alpha value is ignored when the line is drawn. A comment in BatchedElements.cpp indicates that some legac ...

Code Delegate behavior is not consistent based on where the delegate is created

UE - Gameplay - Blueprint - May 22, 2017

When a delegate is created in a component class, adding the component to a blueprint will show the delegate in the Event section of the Details panel when the component is selected. This allows an ...