If it ain't broke, don't go fixin' it!
It's the deliberately undocumented changes that DJI slips into the updates that actually downgrade the drone functionality to comply with various governmental regulatory changes, or their own draconian...
Aircraft FW has been pretty ok in the past as far as I can remember but the FlyApp had issues in the past. I remember 1.14 "introduced" very annoying flat line histogram on my RC Pro. And camera settings got stuck sometimes which required to...
I’ve always upgraded to the latest firmware and s/w and never had any significant issues, that weren’t my own finger problems. In some cases you’ll be limiting the available features/options by not upgrading.