Groom Assets do not cast shadows when the shadow casting light is close to the groom and virtual shadow maps are in use

UE - Graphics Features - Mar 19, 2024

When a shadow casting light is closer to the groom than some proportional amount the groom is away from the shadow catcher, the groom's shadow will disappear. This only occurs using VSMs. Raytraced ...

Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer

UE - Virtual Production - Rendering - Jun 7, 2023

saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...

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. ...

Raytraced Shadows render incorrectly in a project that has been converted from 5.0.3 to 5.1.1 to 5.2

UE - Graphics Features - Ray Tracing - May 16, 2023

Version to VersionResultsNew 5.0.3 project to 5.1.1Works as ExpectedNew 5.1.1 project to 5.2Works as ExpectedNew 5.0.3 project to 5.1.1 to 5.2Bug OccursNew 5.0.3 project to 5.2 Bug Occurs The scene ...

Indirect Capsule Shadows showing up on Unlit Characters

UE - Graphics Features - May 5, 2023

For this to be observed, Allow Static Lighting must be true in project settings. This appears to be coming from an AO pass and from a Raytraced Indirect Capsule Shadows. ...

RayTracing Final Gather is not working in UE 5.1

UE - Graphics Features - Ray Tracing - Apr 12, 2023

Further Comments: Customer is using the deprecated ray traced mode. ...

Raytraced translucency makes ExpHeightFog black

UE - Graphics Features - Mar 17, 2023

Does not occur in path tracing nor rasterized translucency. ...

World partition mini map fails to build with an Unhandled Exception while using r.Raytracing.Nanite.Mode=1

UE - Graphics Features - Jan 31, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Build mini map fails with an Unhandled Exception while r.Raytracing.Nanite.Mode=1 is enabled in the DefaultEngine.ini. ...

RT shadows break with a 16-bit GBuffer

UE - Graphics Features - Jan 23, 2023

Ray traced shadows are missing when the gbuffer is forced to 16-bit. ...

Raytracing Material Border Artefacts

UE - Rendering Architecture - Materials - Jan 20, 2023

Download the licensee repro from here - [Link Removed] The issue should be immediately visible in editor, but if not, shrink the main viewport and it should become more prominent as you zoom into t ...