Unreal Engine Issues

Texture2D values and gradients are incorrectly appended in Alpha channel

After creating new material and inputting a texture coordinate node, and connecting with two mask nodes for R and G, then connecting to "Make Float 4" nodes, the values in the Alpha Channel don't ma ...

Bloom intensity broken with Post Processing Material replacing Tonemapper

When replacing the Tonemap using a Post Process material, the Post Process Volume's Bloom Intensity can only be turned on or off, without varying degrees of effect. Reported in version 4.25.3(CL 1 ...

Decal Fading parameters are completely broken

Camera Position node does not work with Light Functions

When a Light Function material is applied to a light source, and after using a camera position node and plugging that node into the Emissive Color option there is no light being emitted from the lig ...

Volumetric Translucent Shadow not showing in game mode

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

RVT sample texture param ignores groups.

RVT texture sample params ignore groups and ignore existing groups. ...

Crash when spawning an actor with an AtmosphericFogComponent in a packaged build

Spawning an actor that contains an AtmosphericFogComponent results in a crash in a packaged build. It doesn't occur in PIE, or StandAlone.  ...

Preview Scene - Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions

When previewing an object, manually changing the rotation using the Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions. This bug makes it difficult to do look ...

Preview Scene - Lighting angle changes between Profiles

When previewing an object, the lighting angles change between profiles; the lighting position at '0' will also change when the Lighting Rig Rotation is set to another value, then back to 0 again.  ...

Groom Assets do not render fog

Grooms are not rending correctly when volume fog is in a scene. ...