Investigate code in SViewport.cpp that makes use of TWeakPtr's to see if it can be altered to better protect against a possible crash.

Tools - Aug 31, 2015

A user reported a one-time crash that possibly occurred when a TWeakPtr became invalid immediately after passing an IsValid check, before the TWeakPtr could be used. The SViewport.cpp file contains ...

Bugg 66074: "SEGV_MAPERR at 0x3"

Tools - Aug 31, 2015

The user is getting a consistent error which does not allow him to open projects in 4.8 and 4.9. Five reports from user's machine produce identical callstacks: Bugg 66074: [Link Removed] ...

UX Regression on Open Asset Panel

Tools - Aug 31, 2015

In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...

Numpad keys don't respond to input commands on Linux

UE - Platform - Linux - Aug 31, 2015

Setting any of the numpad keys to an input command does not execute the command on Linux. ...

Sliders and check boxes not working on touch screen device

UE - Editor - UI Systems - Aug 31, 2015

When launching on to a device with a touch screen the Slider widget and the check box widget do not appear to respond to touch inputs. Note: Samsung Galaxy note was used for this test ...

GetSoftBounds for SteamVR Chaperone returns bogus numbers with VRmonitor not running

UE - Platform - XR - Aug 29, 2015

The "Get Soft Bounds" node returns bogus numbers instead of just all 0's if the VRMonitor is not running. Found on UE4-Releases 4.9: CL-2673023 ...

Material preview black when using Static Switch Parameter with Texture Objects

UE - Rendering Architecture - Materials - Aug 28, 2015

Material preview doesn't render correctly with using a Static Switch Parameter with Texture Objects. See attached image ...

Spawn actor does not recognize changes to string/name variables

UE - Gameplay - Blueprint - Aug 28, 2015

Spawn Actor from Class does not accept new values to exposed variables that are altered upon spawn. ...

Blueprints components setup through code cannot have the parent socket set inside the blueprint

UE - Gameplay - Blueprint - Aug 28, 2015

If a component is created/setup through code and set as the child of a mesh component, clicking the magnifying glass in the Parent Socket field does not bring up the list of mesh sockets to attach t ...

DrawMaterialSimple() disrupts widgets being drawn to the screen depending on widget hierarchy

Tools - Aug 28, 2015

Calling the HUD::DrawMaterialSimple() function may cause blueprint widget elements to not be drawn on screen depending on the hierarchy of the widget. Google Drive link to Project: [Link Removed] ...