Just a day after Microsoft offered workarounds for an iOS 6.1 Exchange syncing bug and said that it was working with Apple on a solution, Apple has announced on its support page (via ZDNet) that it has identified the problem and is working on a fix. Apple has identified a fix and will make it available in an upcoming software update. In the meantime, you can avoid this bug by not responding to an exception to a recurring event on your iOS device. If you do experience the symptoms described above, disable then reenable the Exchange c