There is one change that stands out and slaps me in the face:
If an office's rent expires while a BP is in production and is not re-rented before the job is completed, the BP's will return to the impound.
That could be bad, so yea, those crafty players better make sure they aren't evicted because there is nothing more fun than your landlord tossing billions invested into a black-hole when the lowly office rent payment doesn't clear in time.
The patch notes seems small on the surface, but the big news that isn't listed in the official patch notes yet is the addition of the Linux and Mac game clients, and because of those changes the server will see an additional three hours of downtime. Boo, infidels -- keeping the server down longer than necessary! It is important to note that the Linux and Mac client use Cedega/Cider wrapper and won't run on older PPC Macs -- Intel or bust. Sorry guys, I was wanting to rock EVE Online on my Apple Performa with you. I'm starting the save our Mac friends from WoW campaign. We all have that 1 Mac MMOG friend still playing WoW, tell them about the EVE Online Mac client. You will get a whole lot of nothing and bad jokes in return.
The 2.3 Revelation patches notes are still sketchy and incomplete; more information will be added as the developers make them available. If you want to stick around, I copied the patch notes after the jump: