OS X 10.10.4 Public Beta 1 & Developer Beta 2 Released for Mac Users
Apple has released the first public beta of OS X Yosemite 10.10.4 to Mac users choosing to participate in the OS X Public Beta program, alongside the second beta of OS X 10.10.4 for registered Mac Developers. The build number of 14E11f is the same for both public beta and developer releases.
The notes accompanying OS X 10.10.4 beta are not particularly descriptive, simply indicating “The OS X Yosemite 10.10.4 update improves the stability, compatibility, and security of your Mac.” No specific bugs or issues are mentioned, suggesting the update may be a broad release rather than focus on any one issue.
Mac users who are opted into the Public Beta program for OS X will find the update available within the Updates tab of the Mac App store. Developers can also find the download available in the App Store, or through the Mac Developer Center website.
As always with beta software, back up your Mac thoroughly before installing. Running beta system software is not recommended on a primary computer.
An updated version of Xcode is also available.
Separately, iOS 8.4 beta 2 and public beta 1 was released concurrently.