Sequencer does not support Quaternion Rotation when manipulating transform tools or piloting cameras

UE - Anim - Sequencer - Oct 16, 2015

Noticing an issue when keying a camera and then playing back the animation it turns or spins in directions i never intended. Think we need check box for toggling Use Quaternion linear interpolation ...

Lighting Scenarios Map Check warning about multiple skylights not supported

UE - Graphics Features - Dec 5, 2016

When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...

[SM5] (Node TransformPosition) Error when opening HillTree_02 mesh from Open World Demo Collection

Docs - Samples - Jan 31, 2017

The HillTree_02 mesh from the Open World Demo collection has a shader compile error. The user pointing the issue out is reporting a freeze whenever he attempts to use the asset. I provided a workar ...

Fail to launch ('Attempt to build nav collision') on device when HLOD is generated

UE - AI - Feb 16, 2017

After generating HLOD, game launched from launch on device does not run correctly. 4.14 does not seem to have this issue, so this might be a regression. ...

Can't clear AnimBp reference from an old asset(4.10 or before) with a skeletalMeshComponent

OLD - Anim - Mar 2, 2017

When using an older asset(4.10 or before) with a skeletalMeshComponent in a newer engine version, a reference for the original AnimBP remains after changing the mesh component's Anim Class. ...

Blueprint Function Library does not save Struct default values

UE - Gameplay - Blueprint - Jan 25, 2017

When a Struct is used as a Local Variable in a Blueprint Function Library, the defaults for its member variables are not saved. If, for example, I enter "3" for an Int member, and "Foo" for a String ...

OnAudioPlaybackPercent Returning Incorrect Start Time of Play node with new Audio Engine

UE - Audio - May 2, 2017

The values returned by the OnAudioPlaybackPercent event node are incorrect when calling a sound to Play with a specific Start Time via blueprint when using the new Audio Engine i.e. AudioDeviceMod ...

Morph Targets broken importing some untriangulated meshes with FBX

UE - Graphics Features - Jun 5, 2017

Morph Targets broken importing untriangulated meshes with FBX ...

Edit shared defaults for multiple blueprints leads to Engine crash.

UE - Gameplay - Blueprint - Jun 20, 2017

Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...