A short time ago Apple launched OS X 10.10.5 in beta version, for developers. The new version can be unload FROMMac Developer Resource Center and can only be installed if you have update to OS X 10.10.4 Yosemite.

The latest final version of OS X is OS X 10.10.4 Yosemite, launched about two weeks ago. This version came with some improvements:

– reliability of connections – networking
– more flexibility and more reliability inMigration Assistant.
– fixed / solved problems when switching from applications iPhotos and Aperture to the new application Photos
– resolved problems of Synchronization Photos and Video in icloud Photo Library.
– Solved errors that caused the sudden closure of the Photos application after photos and video on the iPhone were imported. “quit unexpectedly“
– solve the problem delayed shipment a mailthe sent from The email application of OS X. Delay outgoing email messages in Mail
– resolved fall of the Internet browser Safari to access sites with advanced scripts.