Piloting character blueprints in editor viewport incorrectly moves when pressing LMB/RMB

Tools - Nov 27, 2015

If the pilot option within an editor viewport is used on a blueprint with a camera and LMB/RMB+w is pressed, the camera rapidly flies in the opposite direction of the direction the camera is facing ...

Grouping of multi-part Skeletal Mesh LODs causes only one part to import

Tools - Mar 11, 2016

When setting up Skeletal Mesh LODs, groups within an LOD Group in Maya are now accepted on import as of 4.12. However, it only brings in one mesh from the group. See attached image and fbx ...

Imported Static Mesh Socket rotation is incorrect

Tools - Apr 28, 2016

Imported Static Mesh Sockets are importing at the wrong orientation Result: [Image Removed] Expected: [Image Removed] ...

AI Perception Not Showing Up in Debugger

UE - AI - May 20, 2016

AI Perception does not seem to be showing up in the debugger. The same setup functioned as expected in 4.11.2 binary, but upon converting the project to 4.12 Preview 4 binary, no debug information w ...

Negative Play rate in an Anim Sequence added to a Montage Causes timeline to collapse

OLD - Anim - Jan 14, 2015

Adding animations with a negative play rate (playing backwards) or modifying existing animations in a montage to have a negative play rate causes the timeline in the montage to "squish" and is no lo ...

Can't disable gravity for skeletal meshes

UE - Simulation - Physics - Mar 11, 2015

When replacing a static mesh with a skeletal mesh for bone animations, it falls to the ground. Even though gravity is disabled on the skeletal mesh. Changing the gravity scale to 0 is a work aroun ...

Setting the Camera Modifier to 'None' crashes the editor

UE - Gameplay - Jul 14, 2015

The PlayerCameraManager will cause the engine to crash if you set the first element to 'none' under the Camera Modifier. ...

Rare crash occurs in CoreAudio in Vehicle Game on Mac when quitting.

UE - Platform - Apple - Jan 20, 2017

This is a very rare crash that I encountered in Vehicle Game and so far have not been able to reproduce, however checking the crash history it has been seen before in the wild. This issue may be re ...

Inconsistent behavior with Owen's trench coat

UE - Simulation - Physics - Character - Jan 25, 2017

In the Cloth level in Content Examples, there is some inconsistent behavior with Owen's trench coat. The coat tails appear heavy (they don't trail behind the character's movement), and the straps a ...

Lighting is unbuilt after reloading a level that has a actor with static mesh components

UE - Graphics Features - Jan 31, 2017

For a specific level with a simple BP actor that contains multiple static mesh components, lighting gets unbuilt after reloading the level, even when there is no change in the level. "LogStaticMesh ...