UE 4.15 version released on the Marketplace.

Release notes:
New: Inverse rotation on reverse if enabled
New: UseSpeedCurve now writable from BP

Bugfix: LinearStable rotation interpolation returned rotation in world space instead of local space
Bugfix: Proper default initialization for controlled components
Bugfix: Crash in StandaloneGame play mode
Bugfix: Delta rotation (when rotating rotation point) is always applied in local space
Bugfix: Long lasting bug with keeping reference to edited follower component
Bugfix: Crash when setting path to follow to null during simulation (event point and callbacks processing)

Grab your copy here!