From Apple’s Yosemite design page:
Take the red, yellow, and green “stoplights” in the corner of
every app window. Not only have we streamlined their look,
but we’ve also updated their functions. Close, minimize, and
maximize are now close, minimize, and full screen, eliminating the
extra full-screen control and consolidating the window controls in
I seldom use full screen mode, but I almost never use those zoom buttons, so this change makes sense. It’s what most people probably expect to happen.
Update: The old zoom is still there, if you Option-click the green button or double-click on the window title bar, like we used to do with window-shading way back when.
★ Monday, 2 June 2014