Mouse control is not obtained when clicking on a game's title bar from another app

Tools - Jan 18, 2017

A licensee has reported that gaining focus of a UE4 game window by clicking the window's title bar results in the game only receiving keyboard input and no mouse input until you also click in the ga ...

[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]

Gameplay - Blueprint - Jan 17, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: GEditor->GetSele ...

FSupportedAreaData Not Being Exported

Gameplay - AI - Jan 17, 2017

FSupportedAreaData is causing an unresolved linker error when it is used. ...

Cloth environment collisions with APEX clothing is not thread safe.

Physics - Clothing - Jan 17, 2017

This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...

Hierarchical Instance Static Mesh's array does not reorder itself correctly

Rendering - Jan 16, 2017

When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...

Some settings in a Timeline do not dirty the blueprint upon being changed

Gameplay - Blueprint - Jan 16, 2017

When the following settings are changed in a Timeline in a Blueprint, the blueprint is not dirtied, meaning that the changes won't be compiled or saved upon playing or using Save All. Length Use La ...

EQS Context Provide Single Actor Not Saving Updates

Gameplay - AI - Jan 16, 2017

Making a change to the Provide Single Actor function in an EQS Context blueprint does not seem to be saving properly. The EQS Testing Pawn will fail to display any test data if you change the bluepr ...

Spelling Error in Rotate to Face BB Entry Node Tooltip

Gameplay - AI - Jan 16, 2017

There is a spelling error in the details panel of Rotate to Face BB Entry node in Behavior Trees. The error is in the tooltip for the Precision property. ...

Crash caused by pre/post tick being called while on the Slate loading thread

Tools - Slate - Jan 12, 2017

Currently, we do not prevent the calling of pre/post tick from the Slate loading thread. This can cause crashes in circumstances where the widget is destroyed before the tick is completed, and inval ...

[CrashReport] UE4Editor_Core!FText::FText() [text.cpp:165]

Tools - Jan 12, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...