I have found one report from 2017 year. Today is 2020 and there is no fixes for that problem. I think this problem should be mentioned again.

Now drones always fly by straight line, ignoring roboports and any danger. For example:
Drones have task to build and them get resources from chest. The fly directly (red line) and in the middle of path they attacked by enemies.

I thinks that path must be done with "waypoints" (green line). In that ...