Apple looks to be stepping up the frequency of OS X Mountain Lion beta updates after initially keeping the pace slow and steady: it just posted a new, unceremoniously titled 12A206J build for developers. What the update fixes in the Developer Preview isn't clear, but there are still glitches with Fast User Switching, Java applets, sharing menus and Notes syncing with iTunes, among a handful of other showstoppers. There's also a major heads-up for those who own
