Bone namespaces aren't properly handled by FillRecursivelySkeletonCompareData

UE - Editor - Content Pipeline - Import and Export - Aug 7, 2019

Incorrect warnings can be given when re-importing Skeletal meshes as FillRecursivelySkeletonCompareData does not use FFbxImporter::MakeName. ...

Crash opening FaceARSample on iOS

UE - Platform - XR - Jul 26, 2019

FaceARSample is crashing as soon as it is opened on iOS. Tested on a iPhoneXS 12.4.  Regression: Yes I was able to get FaceARSample on the same device the previous release 4.22. ...

SpiralBlur-SceneTexture Does Not Compile If Raytracing Enabled

UE - Graphics Features - Lumen - Jul 22, 2019

The material function SpiralBlur-SceneTexture, does not compile in DX12 mode. Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192 ...

STAT_StaticMeshTriangles is not reporting static mesh draw commands.

UE - Graphics Features - Jul 15, 2019

STAT_StaticMeshTriangles used to be incremented by the static draw policy, which is now removed. The mesh draw command path is not incrementing this stat properly. ...

Rearranging Slate Brushes causes crash

UE - Editor - UI Systems - Jul 14, 2019

Rearranging the order of a Slate Brush array causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7305105), 4.24 (CL - 7285696) ...

Crash when generating proxy mesh

Tools - Jul 12, 2019

Generating a proxy mesh with imported models and the simplify mesh flag set to true causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7288428), 4.24 (CL ...

Random Scene Objects are not being rendered in Raytraced Reflections in packaging builds.

UE - Graphics Features - Lumen - Jun 11, 2019

Each time the build is run, different assets are missing in the reflections. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...

Crash when loading iCloud/CloudKit SaveGame on iOS

UE - Platform - Mobile - Jun 5, 2019

"...it seems the crash occurs because it is trying to load an empty (0 byte) save file. Stepping through the code in Engine/Plugins/Online/IOS/OnlineSubsystemIOS/Source/Private/OnlineUserCloudInterf ...

Motion controller components created in c++ do not appear to update their location

UE - Platform - XR - Apr 17, 2019

The motion controller component does not appear to update it's location if was created in a C++ project. regression: This appears to work as expected in the 4.21 release of the engine ...

Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint

UE - Networking - Aug 7, 2018

Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client.  Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...