The Pixhawk 2 is coming as a standalone flight controller. There's an official Facebook page for it here:
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And on DIY Drones here...
Pixhawk 2 User Group
The Pixhawk 2 isn't coming from 3DR as it appears they're moving away from DIY and open source after Solo to...
![Ian [P13]](/data/avatars/s/0/50.jpg?1430827934)