I too just upgraded to 4.5.018 from 4.5.010, the memory leak seems to be fixed. The device is still slow at boot up from a battery pull, I timed it at 2 minutes. The device is quicker once booted up with this new build. UMA is a lot quicker at connecting to wifi routers as well. Blackberry Maps now works with this build of the beta software as well. I had my device crash twice with the .010 build. I will update as I discover new things. I hope the final build is closer to getting released to the carriers. All in all this build is soild.
Would it be considered sexual harassment if a midget walked up to you and said that your hair smells good?