I just updated and I lost root access! ;(
It's still 4.1.2.
So, here's the deal. If you are rooted and you run this update, you will lose root. I don't know how to use RootKeeper, I've never tried. It might've saved me quite a bit of heartache. I guess I won't know, now. Basically, I ran the update, lost root and confirmed that with Root Checker Basic. I re-ran the RazrBade Utility I used to root in the first place and that has restored my root. Root Checker Basic confirmed I once again had root.
Unfortunately, I'd lost access to Safestrap after updating. It appeared it was still installed if I simply opened up Safestrap, it did say Installed. I then Uninstalled it from the Safestrap app and also from the System Settings, rebooted, re-installed it, but this time, a newer version since one happened to be available (that's insignificant), rebooted, and I did get Safestrap back. Now, here's the kicker. I don't understand how, but my CM was still installed under Rom Slot 1. I was able to activate and boot into it with no problems. I went back on Stock ROM.
I guess another one of my questions has been answered, as well. I figured with everything I've done to my phone, that I would not be receiving updates, which turned out to be untrue, as I found out a few hours ago.
I have not found anything significant as to what this new update brings to the MAXX. Again, it's still on 4.1.2.