I learnt to avoid trees the hard way, in my early years of rc model flying. Now, I can usually take off and land on even a very narrow strip or path without aid of a gyro or any such device, rudder is your friend. It used to be a lot harder for...
I'm on the latest .500 firmware and can confirm that there are no issues regarding transferring the files via USB cable to my Mac computer. Drone is immediately connected and recognised by the OS as "internal drive".