Unreal Engine Issues

The vertex color becomes red when importing a static mesh without Color Set

It seemed to be white at 4.19, but it seems to be red at 4.20. I found out that there seems to be a cause for initialization of Mesh Attributes. As a result of fixing this, it is now displayed in wh ...

Copy and Pasting the Value for a Vector3 Parameter causes Color Picker to Stretch Across screen

When copying the 'Value' of a color from the color picker within the material editor, and pasting it into the value field of a new color picker dialog window, it stretches across the screen and caus ...

Crash Occurs When Clicking Off of Color Picker in Data Table

When using an FLinearColor variable in a data table and editing it using the color picker, clicking anywhere off of the color picker window will cause the editor to crash. Error Message: Assertio ...

Vertex color does not work on Skeletal Mesh with Nanite enabled

Nanite enabled skeletal meshes don't work with materials containing a vertex color node. The vertex color material does work for non-Nanite skeletal meshes and Nanite-enabled static meshes. ...

Applying Clothing Data Causes Mesh Vertex Color to Turn Black (or crash)

-When a clothing asset is applied to the mesh, the vertex color(s) change to solid black -Can be removed by right click Remove Clothing Data -Crashes in Main-4.20 -Can't be tested in 4.17.2 due t ...

Crash when plugging Depth Fade to Base Color and using Required Texture Resolution mode

Crash when plugging Depth Fade to Base Color and using Required Texture Resolution mode Hi, We have a material that uses the Depth Fade node for the Opacity and Base Color. However, the engine cras ...

Emissive Materials Change Colors Unexpectedly With Increased Values

When multiplying vector 3 (R,G,B) values by a scalar value of increasing quantity the emissive output will begin to change colors. The most unexpected is the blue color that will turn purple while t ...

Post Process Material: different color behavior in Sequencer Render vs Movie Render Queue

During lookdev, I use a post process material to bring reference images into the engine to compare against my work.  The goal is for the reference image to not be touched by any of the Unreal color ...

OCIO: orthographic viewport perspectives disable color transform

Switching through a non-perspective view disables the OCIO color transformation until perspective is re-selected. (There is also a related Slate-Editor issue where the visible viewport label doesn't ...

Track color in the light track doesn't match the color in the details panel