Angeblich gibt's ab morgen die Yosemite Public Beta! http://www.macworld.com/article/2456968/apple-os-x-yosemite-public-beta-arrives-thursday.html http://www.mactechnews.de/news/article/Oeffentliche-Beta-von-OS-X-Yosemite-ab-morgen-verfuegbar-158947.html