I tried this OS for a brief period today, but had all kinds of connection problems after the upgrade. I didn't have the time nor the desire to do a lot of testing after that, so I rolled back to 380.
EDIT: Forgot to mention - the one good thing I noticed about this OS is it fixes the missing cursor in the text message app.
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"the trick to forgetting the big picture is to look at everything close-up" -chuck palahniuk