The second beta version of OS X Yosemite 10.10.2 i.e. OS X 10.10.2 Beta 2 Yosemite (Build: 14C78c) and Xcode 6.1.1 Final Version (6A2008a) has officially been seeded by Apple to all Mac OS X developers and non-developers (general public) for installation / upgradation / updation. The Direct Download Links of OS X 10.10.2 Beta 2 Delta / Combo Update .DMG Files and Xcode 6.1.1 Final Update .DMG File are available below.
What's New in OS X Yosemite 10.10.2 Beta 2 Changes & Features?
The official release notes of OS X 10.10.2 Beta 2 (14C78c) holds; Wi-Fi problem fixation and bugs error fixes with performance improvements.
What's New in Xcode 6.1.1 Final Update?
The official changelog of Xcode 6.1.1 (6A2008a) update contains; Inclusion of SDKs for iOS 8.1 Firmware, OS X 10.10 Yosemite and OS X 10.9 Mavericks. Fixes of SourceKit crashes when working with Swift with several bug fixes and stability improvements.
How to Download & Install OS X Yosemite 10.10.2 Beta 2?
You can get instant update of OS X 10.10.2 Beta 2 (14C78c) via Mac App Store >> Software Update option.
If you're Mac OS X developer, then visit OS X Dev Center website for official OS X 10.10.2 Beta 2 Downloads. If you're OS X non-developer (general user), then manually install and activate OS X 10.10.2 Beta 2 without Apple UDID and developers account via iTunes for FREE. Download Xcode 6.1.1 Final Update and OS X Yosemite 10.10.2 Beta 2 Combo / Delta Update .DMG Files via Direct Links.