An updated version 1.014 was released on 20 March for the Majestic Dash 8-Q400.
The Majestic website indicates that owners of the download version should get the updated full installer from the point of purchase and that owners of the boxed version get the update by downloading it from the User Area on the Majestic website.
What is different in the updated version is described on the Just Flight support section as:
+ Fixed the Prepar3D audio problems in the Cabin views Modification to
+ the copy protection, allowing usage of the Q400 under
several simulators on the same PC
+ Fixed the non-transparent windows in the Cabin views when the cockpit
dome light is activated
+ Aileron to Tiller control will disengage at 50 percent Power Levers
angle, and center automatically for takeoff
The v1.014 update includes all previous updates, including the Flight Simulator X:Steam Edition compatiblity which was introduced in v1.012"