AddToPlayerScreen not filling of player screen by widget.

Tools - UMG - Jun 21, 2019

At screen resolutions other than 16: 9, widgets added with AddToPlayerScreen can not be completely filled. The final size calculated by GameLayerManager seems to be incomplete. ...

Text local variables and function parameters do not store package scope properly

Gameplay - Blueprint - May 14, 2019

FText variables are saved with a Package Namespace stored inside them, that keeps track of the package they were created for. This allows the translation key to stay consistent over time. Blueprint- ...

High-Poly Meshes with DistanceToNearestSurface is Completely White

Rendering - May 14, 2019

The distance field materials do not work on a High Poly mesh.   Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6063286, 4.23 CL# 6398642 ...

Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly

Gameplay - Blueprint - May 6, 2019

At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...

Stale PerceptualData in AIPerceptionComponent

Gameplay - AI - May 6, 2019

Also, reported here: https://udn.unrealengine.com/questions/497277/stale-perceptualdata-in-aiperceptioncomponent.html ...

Hang when using Debug config with Launch On to Android

Platform - Mobile - Mar 18, 2019

Final bits of logging show:D/UE4 : [2019.03.18-16.36.59:236][ 0]LogInit: Display: Starting Game. D/UE4 : [2019.03.18-16.36.59:236][ 0]LogNet: Browse: /Game/FirstPersonCPP/Maps/FirstPerson ...

Structures don't save map elements that point to an asset reference

Gameplay - Mar 15, 2019

Adding map elements to a structure does not retain the information after saving and closing the project. This only appears to happen after you add a considerable number of Map containers inside a st ...

Using -90 for New Relative Rotation on the Y axis causes sporadic behavior

Gameplay - Feb 20, 2019

Setting up New Relative Rotation with some Static Mesh Actors in the Level Blueprint will have strange results if -90 is used in the Y Relative Rotation. Changing off of -90 will result in normal be ...

Attachment of Instanced component does not work

Gameplay - Jan 31, 2019

Component hierarchy information is lost when modifying an Instance of a Blueprint that Inherits from a C++ Pawn. Specifically, when this instance's hierarchy is modified via the World Outliner Edit ...

Duplicating blueprint instances in a level with added components causes instance to lose component hierarchy

Gameplay - Components - Jan 28, 2019

Duplicating Blueprint Actor instances in a level with added Actor components causes instance to lose component hierarchy. ...