Unreal Engine Issues
Unreal Engine Issues
Vertex Interpolate Node Doesn't Work with Lightmass
UE - Graphics Features - Lumen - Aug 8, 2018The vertex interpolate node doesn't work with lightmass. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4258917 ...
Updating a material layer may not update materials that are using that material layer instance
UE - Rendering Architecture - Materials - Jan 7, 2022Material layer instances do not generate a valid UMaterialFunctionInterface::StateId. For this reason, materials and material instances that use material layer instances will not recompile their sh ...
Particle LODs Does Not Use Assigned Mesh For Mesh Data Module
UE - Graphics Features - Oct 5, 2016When making an LOD for a particle system in cascade the higher level LODs won't change their assigned mesh. In the attached project I'm using stairs for the LOD0 mesh and a rectangular Mesh for LOD1 ...
Copy Procedural Mesh from Static Mesh Component does not work correctly when the order of material slots is different
UE - Graphics Features - Oct 15, 2019This issue occurs when the section and material slot order do not match In this sample project:[Link Removed] According to a report from the licensee, the order of Sections seems incorrect.[Link R ...
StartCameraFade not fading camera
UE - Platform - Mobile - Aug 3, 2016This started happening recently in 4.13 integrations. StartCameraFade node no longer has any effect. Fading no longer works in new VR Template. ...
Epic Mannequin's Material Does Not Render Correctly On Intel HD Graphics
UE - Graphics Features - Feb 1, 2017The Epic Mannequin no longer renders correctly when using an Integrated Intel HD Graphics 4600 GPU. The character will either have parts of his body hidden(4.14) or completely black(4.15) depending ...
ARCore: passthrough camera texture has blue and red channel swapped when building against gles 3.1
UE - Platform - XR - Mar 21, 2018Rendering Offscreen Using Non-Fullscreen View Creates Black Border
UE - Graphics Features - Apr 25, 2018Issue has been observed in 4.19.1 from EGL and Main CL 4027311. Per licensee: We recently switched from UE 4.18 to 4.19, and noticed several issues when doing offscreen rendering. To illustrate th ...
Tessellated Materials Displayed as 0 in Shader Complexity ViewMode
UE - Graphics Features - Sep 11, 2019Tessellated Materials Displayed as 0 in Shader Complexity ViewMode. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8588088 ...
PVRTC texture is sampled as white when the uv value is very close to 0
UE - Platform - Mobile - Oct 20, 2021When the uv value is very close to 0 ( < 0.001 ), the boundary value of the PVRTC texture is sampled as white. please refer to attached images and sample project. problem goes away when changing th ...