So, back to the original question…..is this ready for prime time.
For me, that would be a very solid YES.
But……..
As so many people have already indicated this seem’s to be very subjective. I can only report what I have experienced so far and that everything for me has been totally solid. I have not had any issues of any type and even though many people reported issues with encrypted volumes using APFS, I have not seen any problem in that regard either.
The way things are looking for me right now I will be upgrading my existing Mavericks installation without any hesitation.
From a personal standpoint I have been quite thrilled with this release. I tried both Yosemite and El Cap on my MBP and they were horrendous (for me). I went back to my Mavs installation and never even paid any attention to Sierra. However, I have been concerned about “being left behind” from a security point of view and now it seems that I can finally catch up.
I sure hope the NAS vendors (Synology, QNAP, WD MyCloud) update their OS for Time Machine. Has anyone tried them with the betas?