Editor Crashes if GetMaterialIndex is called with an invalid slot name

UE - Graphics Features - Feb 8, 2017

Calling Get Material Index node with an invalid slot name will produce a return value of -1. Passing this value to a Get Material node causes the editor to crash. ...

Enabling "Support Deferred Rendering with Metal" Crashes on IOS device

UE - Platform - Mobile - Feb 8, 2017

After enabling "Support Deferred Rendering with Metal" and then launching to an IOS device (in this case iphone 6+) the game will no longer open and run. REGRESSION? Yes Worked in Binary 4.13.2 C ...

Straighten Connection shortcut doesn't work after removing array element pin

UE - Gameplay - Blueprint - Feb 8, 2017

If an array element is removed from a make array node, using the shortcut for Straighten Connections has no effect until after the Actions menu is opened via right-click then closed. ...

Can't undo blueprint/material movement done by arrow keys

UE - Gameplay - Blueprint - Feb 8, 2017

When moving nodes in materials and blueprints using the undo option doesn't undo the movements made by the arrow keys. This issue affects anything that uses nodes on an event graph. ...

Clicking a Blueprint Window After Entering a Variable Tooltip Discards the Changes

UE - Gameplay - Blueprint Editor - Feb 8, 2017

Changes made to a blueprint variable's tooltip are discarded when clicking in the main blueprint viewport (Event Graph, Function Graphs, etc). Clicking in the variable's details panel does save the ...

Renaming struct member disconnects blueprint pins

UE - Gameplay - Blueprint - Feb 8, 2017

Renaming struct member disconnects blueprint pins. This issue can disconnect all references to the struct, which can be frustrating if you have a lot of references No regression has been performed ...

NavMesh Generates In-Editor But Not During PIE

UE - AI - Feb 7, 2017

The Nav Mesh is appearing in the editor, but not appearing during PIE when its Z value is set to a size similar to the floor size that it is generating on. Making the Nav Mesh Bounds Volume taller ...

Crash when opening Blueprint after editing ChildActorComponent base class

UE - Gameplay - Components - Feb 7, 2017

Defining a ChildActorComponent in code, then setting the component to a blueprint derived from another code class causes the editor to crash when opening the parent blueprint if any changes are made ...

Engine Plugins are being created with includes that are out of order

UE - Foundation - Cpp Tools - Plugin System - Feb 7, 2017

Header files are out of order in the plugin.cpp files. WORKAROUNDIn Visual Studio, open UE4 > Plugin > "Button" > Source > "Button" > Private > ButtonStyle.cpp Cut Button.h from the top of the #i ...

Crash when Reimporting SpeedTree asset with Billboard Material reset to the default World Grid Material

UE - Editor - Content Pipeline - Import and Export - Feb 7, 2017

A crash occurs when reimporting a SpeedTree asset after clearing the material billboard element and setting it to the default world grid material. The licensee reporting the issue mentions to worka ...