Steinberg have announced that their new scoring application will be called Dorico and will be available in the final quarter of 2016. Dorico will offer intuitive workflows, combined with the Steinberg Audio engine in a streamlined single window interface. It is also intended that it will support MusicXML input and output which should be awesome.
Dorico is due final quarter 2016 and is expected to be released with a limited time special offer cross grade option for Sibelius and Finale users.
More details about the name Dorico and more about the application online.