Sure. Why don't you just ask Apple if they are releasing a new iPad this year and what date, or a new iPhone and when? Or how about hey Google, I as your customer demand to know when you plan on releasing your latest update to Gmail or I'm leaving to Outlook.com
I have no idea why you area all so confused. A MS spokesperson responded to this thread just 7 replies before this one. He posted a link to the Sharepoint Conference where they will be specifically speaking about OneDrive for Business and how to use it with ALL devices, including Mac.
When Microsoft is ready to make an announcement about product release, they will. Until then, if you migrated to a platform without doing your due diligence, I'm sorry for you.
We would all love to be told ahead of time for planning purposes, but as everything else in life and my good friend Mick once said: you can't always get what you want.