Sadly, no dedicated F-row. I would even settle for a subset of keys that aligned with the columns. I do not consider layers an adequate replacement. Happy to see they are moving away from their own software configuration. Not a fan of the software interface on the Freestyle Pro. More than once I have gotten myself into a loop where I am unsure which function mode is activated and how to switch back to what I want. I…
I would imagine you can add an F key layer pretty easily so this shouldn't be a big deal. I found it impossible to touch-type the F-row on my Advantage 2, and it's awesome to be able to move keys closer to your fingers. That being said, I don't see a reason to upgrade. I've ordered replacement key wells so I can install my own switches, and since the Advantage is my desk keyboard I'm not worried about portability.
e.g: LayerX + cmd + shift + 9 to rebuild a file. There are much worse offenders I am sure.