The Dolby Atmos Conversion Tool v1.9 is now available.   

The Dolby Atmos Conversion Tool is included with the Dolby Atmos Mastering Suite and is separately available by clicking here in Mac, Windows, and Linux versions.

Version 1.9 adds support for Interoperable Master Format (IMF) immersive audio bitstream (IAB) .mxf masters in the Conversion Tool user interface (UI) and command-line options.  This Includes the ability to Convert to/from an IMF IAB .mxf master from other Dolby Atmos master formats.

Full release notes and documentation is included with the installer.