Unreal Engine Issues
Unreal Engine Issues
Incorrect foliage color in editor preview when using PerInstanceRandom node
Tools - Mar 19, 2018When using PerInstanceRandom in the foliage material, the foliage in the editor preview has incorrect "broken" color. In the game preview, color shows up correctly. Reproduced in 4.19.0 CL 3944462 ...
UDN: LICENSEE: Vertex Colors not displayed for Skeletal Mesh
OLD - Anim - Jun 15, 2015Viewport option: Show>Advanced>Vertex Colors doesn't display the vertex colors for a Skeletal Mesh. This viewmode works fine for Static Meshes. There is also no option to display the Vertex Colors ...
Painted Vertex Color on Meshes in BPs do not save when Movie is generated from Matinee
Tools - Jun 16, 2015When you render out a movie from a Matinee, the painted Vertex Colors on a Blueprint does not render, the meshes in the Blueprint revert to imported vertex color. Also Reproduced in 4.8.0 and Main ...
Custom Primitive Data color widget not applying correctly to static mesh components in Blueprint editor.
UE - Rendering - Architecture - Materials - Jul 23, 2025Context Custom Primitive Data is used to store custom data in an index array that is accessible through Blueprint and code. This allows for variations across instances of the same mesh without needi ...
The Tint setting under style for the slider bar in UMG does not appear to have an affect on the color of the widget
UE - Editor - UI Systems - Sep 4, 2015Changing the Slide bar Color/Slide Handle Color will change the color of the Slider widget. However when changing the "Tint" settings under style, there does not appear to be any color change. ...
Color picker widget auto-closes unnecessarily
UE - Editor - Aug 3, 2026A licensee reports that the color picket widget in Unreal Editor closes whenever a blueprint actor (map placed instance of an actor blueprint) receives a property changed event, even if the change e ...
Nanite meshes are lit differently in Actor Colorization view modes than non-Nanite meshes
UE - Graphics Features - Nanite - Aug 28, 2024When the Lit > Actor Coloration > Affects Navmesh or other Actor Coloration mode is used, Nanite meshes apply lighting differently than non-Nanite meshes which can make it difficult to use the Actor ...
Using Paint Verticies Single Color Node More Than Once Crashes Dev Build
UE - Graphics Features - Jun 10, 2016[UPDATED INFO] After some testing I discovered that using the "Paint Vertices Single Color node" on event tick is what is causing the issue. Using this node with event begin play will not crash. Th ...
Folders in the content browser lose their color after being renamed
UE - Editor - Content Pipeline - Content Browser - Apr 18, 2019Changing a folders color in the content browser does not stay if the folder is renamed. Changing the name back will result in the color changing back as well. ...
Lightmass GI doesn't work with Material-based color changes
UE - Graphics Features - Sep 4, 2015A licensee is having trouble getting the visual results they want because Lightmass doesn't seem to handle color changes from materials. They are seeing this in 2 cases: (See attached images and tes ...