Using the Clean command in XCode prevents the editor from opening

UE - Platform - Apple - Nov 18, 2015

In XCode, if the Product->Clean option is used, the editor from the launcher will not open. Workaround: This can be fixed by running Verify from the Launcher. ...

Setting a parent and child static mesh scale to negative effects the rotation on child movement

UE - Gameplay - Jun 1, 2016

Setting a parent and child static mesh scale to negative effects the rotation on child movement This is a regression. Worked in 4.11.2. User Description: We have a simple project example (see att ...

Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash

UE - Platform - Mobile - Jan 5, 2016

When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...

Shadows appear to flicker on the Vive when using dynamic lighting on a translucent surface

UE - Platform - XR - May 16, 2016

Shadows appear to flicker on the Vive when using dynamic lighting on a translucent surface. This is even more noticeable if the engine scalability is turned down. ...

Custom TouchInterface doesn't fade to Inactive Opacity

UE - Platform - Mobile - Jan 12, 2016

Custom TouchInterface doesn't fade to Inactive Opacity User Description: Virtual Joystick always show on screen, even if Time Until Deactive is 0.00001. ...

IsValidOrFixable can be false even when IsValid is true in RawMesh.cpp

UE - Graphics Features - Mar 14, 2016

In RawMesh.cpp, there are two functions called IsValid and IsValidOrFixable. A user has reported that there may be an issue here where IsValid can be true while IsValidOrFixable is false. From look ...

Adding a variable named "Class" causes Get Class Defaults node to appear to select input pin when dragging off output pin

UE - Gameplay - Blueprint - Apr 13, 2016

If a class variable is given the name "Class", creating a Get Class Defaults node and setting Screenshot provided by user in AH post ...

Adding teleport node after AddMovementInput breaks jumping animation

UE - Gameplay - Jun 6, 2016

Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...

ShowdownVRDemo will not View Detail Lighting or Reflection Mode

UE - Graphics Features - Sep 9, 2015

After opening the ShowdownVRDemo project and changing the view mode to either Detail or Reflection the view doesn't change. It still shows the image as if in Lit Mode. ...

Changing the Resolution scale in Engine scalability can cause actors to be offset when ejected from the player controller

UE - Graphics Features - Nov 30, 2015

If the user turns down the Resolution scale, plays in editor, and then ejects from the currently controlled pawn The actors in the scene will be hard to click on because they appear to be offset fro ...