Crash occurs when a struct containing an instanced object property is used as the value for a TMap in a class that is subclassed in Blueprints

UE - Foundation - Core - Mar 23, 2017

Using a struct containing an instanced object property as the value for a TMap results in a crash if a Blueprint of the class containing the TMap is subclassed and the child Blueprint is opened the ...

BeginOcclusionTests called twice in ProfileGPU report during VRPreview

UE - Platform - XR - Mar 23, 2017

When running in VRPreview and entering the 'ProfileGPU' command, 'BeginOcclusionTests' is listed twice. As the licensee mentioned, if a project uses heavy occlusion this could quickly become a cost ...

Use Acceleration for Paths Disables AI Pawn Movement

UE - AI - Mar 23, 2017

Use Acceleration for Paths in the movement components appears to be preventing pawns from moving. ...

Packaging a Project With Nativize Blueprints Enabled Fails With Setter for an Array of Classes

UE - Gameplay - Blueprint Runtime - Mar 23, 2017

Packaging failure occurs with nativize blueprints enabled when you have an array of classes and you try to set it with an array from an instance of a native C++ class. Found in 4.15.1. Reproduced i ...

Letter Boxing Appears In Planar Reflection Capture When "Constrain Aspect Ratio" Is Checked

UE - Graphics Features - Mar 23, 2017

When constrain aspect ratio is checked on a camera it will add black bars if the destination view has a different aspect ratio from the camera. These black bars will appear in the planar reflections ...

Changes to the Navigation settings aren't saved when edited in the Static Mesh Editor

UE - AI - Mar 23, 2017

Changes to the Navigation settings aren't saved when edited in the Static Mesh Editor. The values will reset back to default values when the asset is reopened. ...

Material Slot Names Get Replaced With "None" After Merge Actors Operation

Tools - Mar 23, 2017

After merging two actors the resulting merged actor's slot names will be replaced with "none". Fixing this is a very tedious process for our licensee since there usually is a large amount of slot ...

Spectator Pawn cannot be added to level by dragging into viewport

Tools - Mar 23, 2017

Spectator Pawn cannot be added to level by dragging into viewport but can be added by using place actor in the level viewport. Regression: This issue occurs in 4.13.2, 4.14.3, and 4.15.1 of the Bin ...

//UE4/Main: Step 'Compile UE4Game Win64' - ComponentVisualizers Error

UE - Audio - Mar 23, 2017

[Link Removed]ERROR: UEBuildBinary not set up for module ComponentVisualizers ...

Blueprint transformed in sequence does not update at runtime

UE - Anim - Sequencer - Mar 22, 2017

Blueprint transformed in sequence does not update at runtime. You can see this when rendering out the first part of op_seq sequence or watching the sequence in PIE. ...