Today Grass Valley launched version 1.40 of Mync. The following features are now included in Mync:

HDR Support
HDR Preview
HDR Storyboard editing
HDR Export(MP4, 10bit [H.265/H.264])
* Using Intel Quick Sync Video * Standard version only

For Mync users: Download the update here.
For EDIUS users: Please note that for EDIUS 9 owners the Mync update is automatically included in the latest EDIUS update.
The full release notes can be downloaded here.

For further information on the new features in Mync 1.40 watch the following video: