Unreal Engine Issues

Lit Translucency Receiving Shadows with Forward Shading Enabled

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

Actor foliage does not respect "foliage.CullDistanceScale"

Actor foliage does not respect the "foliage.CullDistanceScale" console variable. This was brought up in a UDN: [Link Removed] ...

Foliage painted on Mesh Terrain disappears after edits are made

Mesh Terrain recreates the visible section actors when edits are made, and those sections in the editor don't correspond to the ones at runtime, which breaks the ComponentId that the foliage system ...

Motion blur on player/weapons with TAA

Looks like this can occur with motion blur off aswell, so likely it's a TAA motion vector issue. Similar issue occurs in UE5 (see UE-113682) ...

Volumetric Light Fog Leak through objects

Any environment with volumetric fog enabled will have a light leak which appears through objects.  Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322 ...

Datasmith doesn't import specific IFC files correctly

Sequencer auto-generated thumbnails should not replace manually-catpured thumbnails.

Vertex Interpolate Node Doesn't Work with Lightmass

The vertex interpolate node doesn't work with lightmass. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4258917 ...

C.haos Cloth : ClothLOD does not change when out of view

Cloth LOD Index is changed only during the mesh is on the screen. LOD Index is set to 0 at spawning, so clothing simulation runs as minimum LOD level until the mesh is in the field of view. It's no ...

Contact Offset no longer appears to have an effect

When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...