As I am member of the ß-test community there is not that much new for me – but you should defenitly check out the What’s New list which you can find here.
The audience hoping for an evolution in the direction of DAM might be disappointed a bit – in contrast to that the group of people who want to get rid of Photo$hop will be delighted by the new editing possibilities.
Those people will not be very fond of the abo-model which PO is now offering, too, to license the software, though :-). (But you still can buy and upgrade a perpetual license).
As usual the versions for Sony users are available, too.