Has anybody noticed that Interface Builder on the latest Xcode 4 is significantly slower than Xcode 3? Every time I had to restart the machine as soon as I'm done with the Interface Builder because the Xcode editor responsiveness was just unbearable.

I'm considering to migrate my XIBs to Objective-C code if I can't fix it. My machine is a 2.4 Duo with 2GB RAM, and the XIB file was just a simple UIView. Am I the only one experiencing it?

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