The announcement is an indirect one as DICE has put up their job listing on their official website.
Frostbite is looking for developers who want to join us in taking our engine to the next level. You will be part of a team focusing on bringing Frostbite to Mac and work closely with game team customers and the Frostbite team to deliver an engine as great on OS X as it is on Windows and traditional console platforms.
We want creative, committed and communicative people who want to be part of developing the best platform for some of the industry’s most talented game teams. We encourage our employees to be involved and have a strong go-ahead spirit. In return we provide great individual freedom and autonomy, true influence and a flat hierarchy.