Namespaces are not removed when importing Skeletal Meshes from FBX, and breaks the importing of referenced Animations

Tools - Jul 24, 2018

Namespaces in skeletal mesh FBXs are coming in as prefixes to the bone name. This issue did not appear in 4.19.2 (CL-4033788), as seen in the attached picture. This issue was reported and tested in ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

Tools - Aug 31, 2018

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

LLDB 2-byte char data formatter script fails in Android Studio

UE - Platform - Mobile - Oct 3, 2018

Android Studio does not properly parse the UE4DataFormatters_2ByteChars.py distributed in 4.20. ...

Filtering by collection is broken

UE - Editor - Content Pipeline - Content Browser - Mar 2, 2019

This happens because the Collections module isn't loaded when the FFrontendFilter_TextFilterExpressionContext instance is created: , CollectionManager(FCollectionManagerModule::IsModuleAvailable() ...

Crash when launching dx12 for the first time with Rect Lights

UE - Rendering Architecture - RHI - Mar 20, 2019

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...

Screen tearing with ARKit enabled applications

UE - Platform - XR - Oct 9, 2019

Screen tearing occurs when navigating the device around the AR space. ...

Texture sample offset results in pixelization on Android + Quest

UE - Platform - Mobile - Feb 13, 2020

Offsetting UVs can result in blurred texture on Android/Quest Confirmation in MAIN 4.25 @ CL 11384989 blocked by [Link Removed] ...

Vislog can store an incorrect Owner location

UE - AI - Apr 14, 2020

In some circumstances a vislog entry can end up with it's location not set up to owner's location. ...

Compile on load crashes for classes within an abstract class

UE - Gameplay - Blueprint Compiler - Feb 20, 2021

When compiling on load in -game, a blueprint class that inherits from a native class that is marked within and the class that it is within is abstract, a crash will occur when FBlueprintCompilationM ...