A few weeks ago, we pointed out that Apple was changing the way that the zoom button (that little green button in a window’s toolbar) works in OS X Yosemite. Instead of making a window larger to fit the current content, the zoom button is now the ‘full screen’ button in Yosemite.
One way to get the old zoom button functionality back was to hold the Option key while clicking the button. But another way, new to Yosemite, is to double-click an empty space in a window’s toolbar. Doing this replicates the traditional zoom button, with the window resizing to fit the current content.
Check out the video above to see this process in action. One note, however, is that this new zoom method is not universal. It works with some apps like Safari, TextEdit, and Preview, but not with others like iTunes. Third party apps also lack the feature, so it looks like developers will have to add one more thing to their checklist to make their apps fully compatible with Yosemite.
OS X Yosemite will be out this fall. Apple is currently conducting both developer and public betas. We’ll let you know if a Terminal command that reverses this new zoom control scheme is found as we near Yosemite’s launch.
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