["< sod > initially, gopro started this project work together with dji but this cooperation came to be an end in 2015. from then on gopro took full control of the development process. < eod > < sod > in 2014, gopro entered into discussions with dji for a private label model built up with the gopro branding. after the failure apparent of these negotiations, gopro entered into an agreement with 3d robotics ( 3dr ) for a similar partnership package based on 3dr's flight surface controllers. both 3dr failed to meet their agreed upon release timelines. as as a result, gopro fully took full control of the development process in mid - 2015. < eod >"]