“Nemetschek Group and Autodesk agree on advancing open, interoperable workflows for the entire building lifecycle.”

This is good for customers of both AEC software vendors.
Read more on this agreement from Architosh:

Autodesk and Nemetschek Group Partner on Interoperability
by Anthony Frausto-Robledo, AIA, NCARB, LEED AP

The industry needs more cooperation on interoperability like this from vendors on data formats and use of open formats and cloud exchange options to prevent the loss of productivity, translation errors, and needless rework. I have been told by large AEC firms that re-doing files or translating files account for a significant cost to their businesses. This is good to see announced, and lets see how it is implemented.