Paper Terrain splines should not allow 'in/out of plane' movement

UE - Gameplay - Paper2D - Feb 4, 2015

They are effectively 2D and spline points should be constrained as such. We should snap them to the XZ plane in component to avoid issues and make it nicer for users. ...

XBox Controller is not recognized if connected during play on Windows10.

UE - Gameplay - Input - May 5, 2016

If a controller is connected to a Windows 10 machine while the game is running, input from the controller is not registered by the character. ...

Event dispatcher not working as intended when using Mobile Preview and UMG

UE - Editor - UI Systems - Nov 24, 2014

When setting up UMGs, the Print String will not show in the mobile preview. ...

Default Values of Parameters from Material Function not saving in Material Instances

UE - Rendering Architecture - Materials - Feb 16, 2015

A Parameter set in a Material Function cannot be reset to a default value in a Material Instance. Reproduced in 4.7p7 CL-2440994 and Main Promotable-CL-2444381 ...

Procedural Sounds Dropping First Samples

UE - Audio - Oct 26, 2015

When playing a sound with the bProcedural = true option enabled. The associated sound will then drop samples when played. The licensee who originally reported the issue actually has provided a fix i ...

Sounds set to loop continue to run after destroyed

UE - Audio - Apr 27, 2016

Sounds set to loop continue to run after destroyed ...

Adjusting Default Light Settings for Atmospheric Fog causes Crash

UE - Graphics Features - May 2, 2016

Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...

Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute

Tools - May 26, 2016

When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...

Cannot Import Sound File with Duration Less Than 1 Second

UE - Audio - May 29, 2015

Unable to import a sound file shorter than 1 second in length. The two sound files attached are the same sound, but one has been extended to at least 1 second long and successfully imports. ...

Wheels become detached from vehicle if simulate physics is switched.

UE - Simulation - Physics - Oct 19, 2015

If Simulate Physics is turned off / on for a vehicle, the wheels will become detached from the vehicle and keep rolling if they were rolling at the time that Simulate Physics was turned off. ...