Unreal Engine Issues

Area scattering defaults to 0.01 spacing when input is invalid

If the user provides an invalid input for Area spacing (for example, using the hotkey 'R' to check the raytraced image), the spacing defaults to a value of 0.01m. Depending on the size of the Area s ...

Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash

When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...

Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game

If you set the project to use a fixed frame rate, particle collision no longer works. ...

Landscape No Longer Renders when Setting Max Desired Draw Distance Above 0

Landscapes no longer renders when setting max desired draw distance above 0. Found in 4.21 CL# 4753647, 4.22 CL# 7053647, 4.23 CL# 7208101. 4.24 CL# 7210422 ...

Material editor crash in 5.0.2

Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0

Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...

Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0

Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...

Build Error when using ENUM without 0 entry

Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)

Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...