The crash reporter tool does not start on Windows 8.1 machines when running the Engine built from source code.

UE - Foundation - Core - Dec 5, 2014

The source code to build the Engine that is available from GitHub includes the file dbghelp.dll, which prevents the crash reporter tool from starting on Windows 8.1 machines. This file is not presen ...

Significant Frame Rate Drop When Multiple Persona Windows Docked in the Background

OLD - Anim - Dec 5, 2014

Windows: Opening a persona window causes the editor to lose approximately 10fps per window (4 persona windows open = -40fps) Even when docked and running in the background. Mac: Opening a persona w ...

Mouse cursor will not change unless a mouse button is being held down.

Tools - Dec 5, 2014

Changing the mouse cursor depending on what it is currently over only happens if a mouse button is also being held down. This worked normally in version 4.5.1 WORKAROUND: In UGameViewportClient::Ge ...

"Activate Touch Interface" crashes the editor when set to 'None' in editor

UE - Gameplay - Input - Dec 5, 2014

If the 'Activate Touch Interface' node is called in blueprints (set to a non-'None' interface) and the current touch interface is set to 'None', the editor crashes. ...

Unable to open composite decorators in BT editor

UE - AI - Dec 5, 2014

Users are unable to open composite decorators for edition in BT editor making them utterly useless. ...

"Rendering Settings->Do Not Clear Scene" causes visual artifacts in editor panels

UE - Graphics Features - Dec 4, 2014

Setting Project Settings->Rendering->Optimization->Clear Scene to "Do not clear" prevents the scene from clearing even in editor window viewports, such as the Components tab of Blueprints and the Pr ...

The Editor may crash in PIE mode if the Engine was built from source code using the Debug Editor configuration.

UE - Gameplay - Blueprint - Dec 4, 2014

Building the Engine using Debug Editor configuration can result in a crash if a project is run in PIE mode. No crash occurs in the same project if the Engine is built using Development Editor config ...

Editor crashes when using pause node in PIE while running on dedicated server

UE - Gameplay - Dec 4, 2014

If a user pauses a game while running on a dedicated server the engine will crash. Note: this crashes even when user is given an option to unpause game. Frequency: 2/2 Crash Reporter: [Link Rem ...

Objects in editor windows can still be highlighted when mouse is over them with a non UE4 window in front of the editor

Tools - Dec 4, 2014

When the editor is open behind another window and the mouse hoovers over objects and options in various submenus, objects are still highlighted in the editor. ...

Expand Node crashes engine

UE - Gameplay - Blueprint - Dec 4, 2014

The engine crashes when after right-click > Expand Node on any composite node. Crash Report: [Link Removed] ...