Apple has just seeded the first OS X 10.10.4 beta to developers. The new beta version comes just a week after releasing OS X 10.10.3 with all-new Photos app for OS X. Continue reading 
Apple releases OS X Yosemite 10.10.4 beta to developers
Apple releases OS X Yosemite 10.10.4 beta to developers
Apple releases OS X Yosemite 10.10.4 beta to developers