Apple has released its third beta of iOS 8.3 to registered developers, following the public release earlier this week of iOS 8.2 to support the upcoming Apple Watch. This latest beta features a build number of 12F5047f and details few changes in the release notes from the prior beta, with minor issues related to CarPlay, WatchKit, and LTE Voice. As expected, this beta also adds the Apple Watch app and related settings that were introduced earlier…