Changes to local project settings (Project/Saved) are not propagated to the default ini file upon using "Set As Default" if that file is currently checked-in/read-only

Tools - Aug 20, 2020

Changes to local project settings (Project/Saved) are not propagated to the default ini file upon using "Set As Default" if that file is currently checked-in/read-only. ...

CoreSymbolication.framework fails to load on macOS 11 Big Sur

UE - Platform - Apple - Aug 20, 2020

CoreSymbolication.framework has moved, likely into the system library cache. The function, FApplePlatformSymbolication::EnableCoreSymbolication probably needs to be updated in order to accommodate.d ...

RetainerBox may cause memory leak

UE - Editor - UI Systems - Slate - Aug 20, 2020

Essentially, this memory leak should be counted in the UI section, but it is counted in the SceneRender section. This seems to be due to the behavior of MemStackAllocator and FixedSizeAllocator. Th ...

Templated enum GetValueAsString function returns incorrectly formatted string

UE - CoreTech - Aug 19, 2020

For many years there has been a static function on UEnum called GetValueAsString which would convert an enum like EAttachmentRule::KeepWorld to the string "KeepWorld", if you passed in the explicit ...

Planar Reflections distorted if Separate Translucency Screen Percentage less than 100%

UE - Graphics Features - Aug 19, 2020

Planar reflections with any value lower than 100 for SeparateTranslucencyScreenPercentage are skewed/distorted when moving the camera, not representing the correct image when the value is 100. ...

ObjectScale node in the material editor does not work with decals

UE - Graphics Features - Aug 19, 2020

The ObjectScale node does not output the correct values in the material editor. This method works to tile images with a Surface Material Domain on a basic plane, but does not work when using it with ...

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 ...

Some developers reporting incorrect Preview in VR resolution for Steam VR

UE - Platform - XR - Aug 18, 2020

VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though.   This issue has not be ...