Unreal Engine Issues

Assert when toggling RHIThread

Lit Translucency Receiving Shadows with Forward Shading Enabled

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

Actor foliage does not respect "foliage.CullDistanceScale"

Actor foliage does not respect the "foliage.CullDistanceScale" console variable. This was brought up in a UDN: [Link Removed] ...

CSM Cached Shadows missing when changing FOV

When changing the camera FOV with r.Shadows.CSMCaching enabled, the cached shadows don't appear to be used and shadows are missing. This occurs because the r.Shadow.RadiusThreshold can be low enoug ...

Foliage painted on Mesh Terrain disappears after edits are made

Mesh Terrain recreates the visible section actors when edits are made, and those sections in the editor don't correspond to the ones at runtime, which breaks the ComponentId that the foliage system ...

4.11 Souce does not compile for Chinese Region

If the computer's region is set to Chinese, building the 4.11 engine from GitHub source will fail. Local test failed to build ShaderCompileWorker Community reports fail due to an improper characte ...

The LoadTimeFile argument crashes package at startup

Negative values in Display 1.7 of the Math_Hall map are not graphed correctly in ContentExamples

This is a regression from 4.15.2 ...

Invalid API documentation file

The API.chm file is invalid. Additionally the website API docs are out of date. This is tied to a larger issue with the APIDocTool. ...

Volumetric Light Fog Leak through objects

Any environment with volumetric fog enabled will have a light leak which appears through objects.  Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322 ...