Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Sequencer track appears to skip the first frame on an animation in UMG

UE - Anim - Sequencer - Jun 17, 2019

A sequence created in UMG appears to skip/ignore the first frame. If an event is set to fire off on the first frame of the sequence it will not fire. ...

Rich Text block appears to ignore material settings from default setting after style changes are made and ended

UE - Editor - UI Systems - Jun 17, 2019

After changing a rich text block to use a different style (from a data table) it will ignore the material applied to the the default text style and it will use the color instead. ...

The engine crashes when adding a new brush at newly created level by a specific way.

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019

issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...

Widget component navigation does not work in Standalone

UE - Editor - UI Systems - Jun 14, 2019

When running a standalone build, focus navigation doesn't work on widgets within a world-space widget component. This may be fallout from [Link Removed], which parented the widget component's virtua ...

Unable to save an Editor Utility Widget when it is running

Tools - Jun 12, 2019

Unable to save an Editor Utility Widget when it is running ...

Using Square Brackets in a Folder Name Works but makes Meshes Unusable.

Tools - Jun 12, 2019

Renaming a folder using square brackets seems to work but renders meshes inside unusable in certain instances.  ...

Sequencer Attach track appears more offset than expected when using override instance data

UE - Anim - Sequencer - Jun 12, 2019

When using an attached track in combination with enabling override instance data it appears as though the object used in the attached track is offset more than expected (appears to be by roughly dou ...

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 ...

Ray Traced Reflections Get Darker The Higher The Rougness Value is for Metallic Materials

UE - Graphics Features - Lumen - Jun 11, 2019

Instead of reflecting an average color of the surrounding, reflections become black with increased roughness values. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...