Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze

Tools - May 15, 2017

If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...

ProfileGPU console command crashes Daydream applications

Virtual Reality - May 8, 2017

Using the Profilegpu console command in a Daydream app causes the app to crash. Crash logs attached. Regression?: No This also occurred in 4.14 ...

EQS Generator Becomes Blank After Undo op and Restarting Project

Gameplay - AI - May 8, 2017

EQS Generators are becoming blank after deleting and undoing the node and restarting the editor. Any tests placed on the generator are still visible, but the information on the generator node is bla ...

Subsequent packaging attempts fail when packaging with Chunks, Nativization, Full Rebuild and For Distribution enabled

DevTools - AutomationTool - May 4, 2017

Subsequent packaging attempts when Generate Chunks, Blueprint Nativization, Full Rebuild, and For Distribution are enabled will fail. The error that appears states that the AutomationTool log file i ...

Crash reimporting a skeletal mesh with less Material IDs than on first import

Support - May 4, 2017

NOTE: Does not occur in 4.16, entered this to find a fix for licensee to integrate. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out o ...

Crash Occurs When Setting Child Actor Class in Child Blueprint

Gameplay - Blueprint - May 4, 2017

A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...

Static Mesh approximate size can be inconsistent between Content Browser and Static Mesh Editor

Tools - May 3, 2017

The approximate size for a Static Mesh that is shown in the tooltip from hovering over a Static Mesh in the Content Browser and the approximate size shown in the Static Mesh Editor can be inconsiste ...

References stored in deleted UProperties stick around in a Blueprint Class

Gameplay - Blueprint - Apr 25, 2017

If a UProperty that stores a reference to an asset is deleted, the reference to that asset lingers in any Blueprints that had a reference stored in that UProperty. This can lead to issues when the r ...

[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly

Core - Apr 25, 2017

This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...

Execute pin from the Input node of a Collapsed Graph does not show the flow of execution

Gameplay - Blueprint Editor - Apr 24, 2017

The flow of execution, shown while debugging a blueprint, does not show for the execution pin that comes from the Input node of a collapsed graph. It shows for the rest of the graph. Regression?: N ...