Load times for the editor appear to have increased

Rendering - May 3, 2019

The editor appears to have longer load time as compared to an older engine version (4.20.3 loaded in seconds while newer version appear to load the same project in over a minute) ...

Materials with a custom node with a Struct that has a function fails to compile for GLSL (Android) and uses a default material

Rendering - Apr 29, 2019

A user has reported that Materials that contain a custom HLSL node that has a Struct with a function declared inside of it results in the material failing to compile for GLSL, causing the Material t ...

When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with Stationary Lights

Rendering - Apr 26, 2019

When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with static lighting. Working as expe ...

Editor crashes when adding a parameter to a material when using Forward Shading and DX12

Rendering - Apr 24, 2019

Setting the default RHI for Windows to DX12 and enabling Forward Shading results in a crash when adding a texture sample parameter to a material. Found in 4.22 CL# 5660361 and 4.23 CL# 6074473 Wor ...

HISM Rotated Instance is Culled Whenever its Pivot Moves Out of Camera View

Rendering - Apr 23, 2019

HISM rotated instance is culled whenever its pivot moves out of camera view.  Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6037269 ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

Rendering - Apr 22, 2019

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Bloated instruction counts in the material editor causing long compiles

Rendering - Apr 17, 2019

artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

Rendering - Apr 16, 2019

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...