
Mac OS X Lion brings a subtle new window animation, it’s so subtle that many people probably won’t even notice it, but it displays any time a new window is created. It’s better seen than described (the above screenshot only captures so much), but basically the new window grows to full sized version out of a microscopic version of itself, seemingly appearing out of nowhere.
It all happens very quickly, but like everything else that gets changed with a new version of an OS, some people don’t lik it, and other users are noting that it makes Lion feel slower than Snow Leopard – considering it lasts only a millisecond I disagree, but I can understand both concerns so we’ll go ahead and show you how to disable it.
Disabling the New Window Animation in OS X 10.7 Lion
You’ll need to use the Terminal and a defaults write command to disable this.
defaults write NSGlobalDomain NSAutomaticWindowAnimationsEnabled -bool NO
You’ll have to relaunch any currently running apps to have the changes take effect. If you want the new Lion window animation back, that’s easy too:
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