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