title: Does Xcode 4.3 include Quartz Composer?
body: <p>I just installed Xcode 4.3 from the App Store. As I started it first, it asked if I want to delete existing 4.2.</p>
  
  <p>Does 4.3 include Quartz Composer? Where is it located? Or should I say no and keep 4.2 for QC?</p>