Some posts on the web indicate to stay with Mission Planner 1.3.5 cause there is a compass calibration bug in 1.3.9.
Is this of any concern? and if there is a bug does it only pertain to certain drones like Walkera or all?
I prefer 1.3.9 cause the maps are updated where 1.3.5 maps are old.
THANKS for any advice I can get
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