Same here. I'm running 10.9.3 on a 2012 Retina MBP, a 2013 Macbook Air, a 2011 iMac, and a few others with no problems. In fact, it seems to have finally fixed

Same here. I'm running 10.9.3 on a 2012 Retina MBP, a 2013 Macbook Air, a 2011 iMac, and a few others with no problems. In fact, it seems to have finally fixed the sleep wake failures I was occasionally having on the Macbook Air since Mavericks came out.