Translucency area has stripe-style issue on TSR

UE - Graphics Features - Mar 28, 2024

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...

Outline artefact on cascade shadow transition

UE - Graphics Features - Mar 28, 2024

Some pixels at the edge between cascaded shadow maps and distance field shadows can be skipped by both, leading to unshadowed pixels. Licensee reports the bug happening in 5.3 as well. Test project ...

GI not coming in with lighting build data when lighting built outside of main scene

UE - Graphics Features - Mar 27, 2024

Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...

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 ...

VSMs not rendering soft shadows on left eye in stereo rendering when more than one light is casting shadows

UE - Graphics Features - Mar 13, 2024

Left eye shadow dithering stops working at a certain distance away from the light. To recreate this behavior with any project, follow those steps: Create an empty levelAdd a static mesh and a backd ...

Water reflections and GI flicker in 5.4 and 5.3 (fine in 5.2)

UE - Graphics Features - Mar 7, 2024

Since 5.3 customers have been reporting flicker with water surfaces, demonstrating that in 5.2 this flicker is not present. [Link Removed] ...

Improve DOF on flickering nanite geometry

UE - Graphics Features - Feb 9, 2024

TLDR: need replace DOF's TAA pass with a TSR pass that support Circle of Confusion, and better wuality by having one of each for foreground, slight focus, and background  ...

Two Sided Foliage doesn't receive VSM shadow with Opacity 0

UE - Graphics Features - Jan 25, 2024

Two-Sided foliage materials with an Opacity of 0 ignore any shadows cast with Virtual Shadowmaps, even in a completely sealed environment. This did not happen in UE 5.1.1 ...