Apple simply does not stop releasing beta versions for developers and participants of the Apple Beta Software Program mainly for OS X, which for two weeks has been gaining new versions (Yosemite and El Capitan) while iOS 9 and watchOS 2 are on the sidelines.
Photos app running on an iMac
The ball of the time the third beta version of OS X Yosemite 10.10.5 (build 14F25a), which is available through the update system built into OS X (within the Mac App Store, for those already running test versions) and through the company's website.
According to the release notes, Apple asks developers to focus their tests on Mail and Photos.
Update · 08/06/2015 s 09:43
The update is also available to Apple Beta Software Program participants, depending on the reader Anderson Prado Andrade alerted us.