Setting Auto Possess AI to "Spawned" or "Placed in World or Spawned" will play falling animation

UE - Gameplay - Player Movement - Sep 3, 2015

If the Auto Possess AI is set to Spawned or Placed in World or Spawned then the falling animation will play in the blueprint viewport. ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...

Set Relative Location on components does not replicate to clients

UE - Networking - Sep 2, 2015

Set Relative Location on components does not replicate to clients. Reproduced in 4.8.3 binary, 4.9.0 binary, and Main (CL 2676715) ...

Using a discreet graphics card on a laptop causes context menus to duplicate

UE - Editor - UI Systems - Slate - Sep 2, 2015

Context menus in the editor (such as right-clicking in the Content Browser) will cause duplicate menus to appear when you hover over a section that makes an extra menu appear. Note: This has only b ...

Interface cannot be re-implemented after removal from blueprint

UE - Gameplay - Blueprint - Sep 1, 2015

If an interface is removed from a blueprint and an interface function is transferred to a local function, the interface cannot be re-implemented in the blueprint. ...

Joint Presets on Physics Constraints Actors do not work

UE - Simulation - Physics - Sep 1, 2015

Problem: When you press any of the Joint Presets buttons on a Physics Constraint Actor that is placed in a level the buttons do not do anything. Solution: Pressing the Joint Presets buttons setup t ...

Vertex Painting on Blueprint Static Mesh components lost on copy

UE - Gameplay - Components - Sep 1, 2015

After vertex painting on a Static Mesh component of a Blueprint, the Vertex paint data is lost when the Blueprint is copied. Oddly, pasting into a text editor shows VertexColorData, but it seems to ...

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 ...

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 ...

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 ...