Double precision for waypoints in Auto mode. Is it possible?

Hardware Pixhawk family
1

Hi everyone,
Is it possible to make pixhawk 1/2 support double precision for waypoint coordinates? Can we make use of uint32 for lat/lon instead of float?

Regards,
Johny

2

Using mission_int messages is being added in AC3.4 and current master for ArduPilot.