When creating a "Cursor" in UMG or HUD blueprints there is a noticeable lag mouse position and the "New Cursor" Position.

UE - Editor - UI Systems - Dec 15, 2014

When setting up any sort of image to following the mouse there is a noticeable lag between the position of the mouse and the position of the image that is being set to the mouse position. ...

MAC: UE4 Editor crashes in gldReadTextureData on Nvidia 330M

UE - Platform - Apple - Dec 15, 2014

A user is reporting semi-regular crashes on his MBP 6,2, with Nvidia 330M GPU. This is a GL 3.3 GPU which we don't routinely test against, he may have the 256 or 512MB model, but this is unclear. T ...

Destructible mesh does not trigger overlap event for objects/pawns that are not moving

UE - Simulation - Physics - Destruction - Dec 12, 2014

DESCRIPTION: When using the generate overlap events for a destructible mesh with Static Mesh or skeletal mesh that is not moving will not generate an overlap event to be triggered. So long as the me ...

Lens Flares Tints appears in the Get Settings node for PostProcessVolume but does not appear in the Set Settings node

UE - Gameplay - Blueprint - Dec 11, 2014

The Lens Flares Tints struct appears in the Get Settings node for a PostProcessVolume but does not appear in the Set Settings node. ...

Behavior tree debugger doesn't handle tree switching

UE - AI - Dec 11, 2014

"I'm manually starting/stopping logic in code for multiple trees and the debugger doesn't update appropriately. After some testing with code and blueprint based breakpoints the newly activated tree ...

Editor crashes when importing 4.5.1 project to 4.6

UE - Gameplay - Blueprint - Dec 9, 2014

The user converted a copy of their 4.5.1 project to 4.6. Upon opening that project, the editor crashes. Deleting certain widgets allows the user to open the project, but opening any map results in a ...

Creating a new Matinee Controller node only shows the Finished pin

UE - Gameplay - Blueprint - Dec 9, 2014

Worked: P4 Main 4.7 CL:2375748 P4 Releases 4.6 CL:2369413 (Gold) Broken: Portal Binary 4.5.0 CL:2326478 After creating a matinee with event(s) in it, creating a Matinee Controller only shows the " ...

adjusting the scale of a DM via BPs will not give accurate collision

UE - Simulation - Physics - Destruction - Dec 8, 2014

DESCRIPTION: Adjusting a DMs scale via blueprints will cause issues for the collision of the DM once it has been scaled up or down. Scaling down by half or up by a value of 2 or 3 is easier to see t ...

FSlateApplication::OnControllerButtonPressed/Released removed causing input plugins to no longer work

UE - Editor - UI Systems - Slate - Dec 8, 2014

The functions OnControllerButtonPressed/Released using FKey were deleted for 4.6. This leaves plugin authors no way of propagating key presses from their plugin in to the input system. ...

Real Time Preview for Converted Vector Parameters not working

UE - Graphics Features - Dec 5, 2014

The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...