Apple has released the latest beta version of OS X 10.10.4 to developers and AppleSeed testers.

Details on exactly what comes along with OS X 10.10.4 are still vague, with Apple only saying that the update "improves the stability, compatibility, and security of your Mac". Developers and AppleSeed testers with the last beta version of OS X installed can download the new build now from the Updates section of the Mac App Store.

Developers can also grab the latest beta build, 14E33b, from the Apple Developer Center.