Unreal Engine Issues

Baked materials containing Texture Object are black

Using a texture object in material when creating a baked material will result in black material. Confirmed in 4.23 MAIN @ CL 5806859 User also reports "this also applies to the material as seen by ...

Crash on IOS with spotlight shadow

Post Processing Settings do not update in Persona when the values are changed in Preview Scene Settings

The post processing effects do not update in the Persona Viewport in realtime. They will take effect if the post process setting is disabled and renabled. This is a regression. ...

Material Vertex Interpolator with a scalar output is replaced by MCT_Float1 in the output translation which can cause arithmetic errors

Post Process Material + Stereo Rendering = Left Eye Black

Left Eye Renders black in VR when a PostProcess Material is applied. On Quest Right eye renders post process mat and left eye renders scene, but upsidedown. Also occurs in Packaged Project and/or ...

MeshPaint textures don't work when r.VT.SplitPhysicalPoolSize is set

Whenever we have a non zero setting for r.VT.SplitPhysicalPoolSize, then mesh painting doesn't function correctly. ...

Thin translucent doesn't work with separate translucency and Before-DOF

Niagara compiler error, branch in custom hlsl doesn't work properly

UDN Bug: ASTC compression becomes greyscale

Bug reported at https://udn.unrealengine.com/s/question/0D5QP00000tOpXN0A0/using-mutable-plugin-results-in-greyscale-textures-on-android-xr?fromCase=1 ...

Bilinear Filtering creating Artifacts on Edges of Paper2D Sprites

A user is reporting some artifacts on the edges of his sprites when using bilinear filtering for the texture settings. These artifacts do not appear when using the Paper2D texture settings (Nearest ...