DefaultEditor.ini dirtied when UpdateSingleSectionOfConfigFile is called for an object containing an array property

UE - CoreTech - Aug 5, 2021

Closing an AdvancedPreviewScene results in a call to UAssetViewerSettings::Save to save the preview scene settings, regardless of whether or not anything has been modified. This in turn calls Update ...

Crash when adding a streaming level to the world through Python

UE - World Creation - Worldbuilding Tools - World Composition - Aug 3, 2021

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

Unable to overlay image on top of people occlusion image on ARKit

UE - Platform - XR - May 24, 2021

From licensee:   when the Enable Automatic Camera Overlay is enabled you will get the People Occlusion image overlaid above everything so no objects can be in-front of it. And if you disable Automa ...

Placing WaterBody makes sub-levels that should have no effect dirty

UE - Graphics Tools - Terrain - Water - Mar 30, 2021

This issue occurs when using the Landscape Streaming Proxy. ...

SpeedTree velocities broken

UE - Graphics Features - Mar 18, 2021

BuildPatchTool doesn't finish if enabled building Http Chunk on Mac

Portal - Jan 25, 2021

We may fix this issue by the following codes. FPakPlatformFile::FPakPlatformFile(): LowerLevel(NULL) ,bSigned(false) { // remove //FCoreDelegates::GetRegisterEncryptionKeyMulticas ...

Runtime Virtual Texture Volume does not update correctly after World Origin shifting

UE - Graphics Tools - Terrain - Landscape - Nov 26, 2020

Merged actors cannnot cast shadows when source actors Cast Shadows is disabled

UE - World Creation - Worldbuilding Tools - Merge Actor - Aug 19, 2020

Merging actors with cast shadows disabled causes the merged actor to be unable to cast shadows at all. Toggling the Cast Shadows option does not resolve the issue. This is seen in //UE4/Release-4.2 ...

Large Landscapes using World Composition have weird LODs when streamed out and back in

UE - World Creation - Worldbuilding Tools - World Composition - Mar 13, 2020

When World Composition Sublevels are streamed out and back in the LODs appear distorted. This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview ...