June 2, 2014
The replacement for OS X Mavericks is likely to be called ... OS X Yosemite. The included screenshot was posted from Apple's Worldwide Developers Conference by Mashable's Lance Ulanoff. It looks like some of the icons are going to change. In particular, the iTunes icon has gone from blue to red.
Here are the Macs where Apple will run the OSX demos. #WWDC pic.twitter.com/Pz7FuRhPYN — Lance Ulanoff (@LanceUlanoff) June 2, 2014The WWDC keynote begins at 10 a.m. PDT.