What I find a little frustrating is that in the DJI release notes for the .600 firmware they don't mention, what I would consider, is the most significant feature - the fixing if the API calls for the 3rd party software. (Litchi/Autopilot)
I know they (DJI and others) don't like to admit to any bugs in their software but they could have wrapped it up like "Stability improvements to 3rd party API" They have got bad press here about introducing the bug - so why not shout about the fact they have fixed it?
The other important change in .600 is the re-enabling left-stick-up to abort landing. Not only is this a good, intuitive safty feature, but it also demonstrates that DJI are listening to what users want. A good PR thing to admit to I would have thought? "Back by popular demand!"
A new flight mode as the headline - Yes that makes sense. But removing a battery "beep"? Not exactly something to get excited about compared to the other changes above.
Still, very happy to have Litchi back - (when I'm brave enough to move on from 400)