xcode 6 interface builder very slow performance when showing viewcontrollers with constraints

Question

I have an problem with Xcode 6 really responding very slowly to user interactions, e.g. editing code, scrolling areas etc. This particularly happens when the interface builder s

Answer 1

Wow, thanks so much guys! I was having a huge problem with Xcode being slowed to a crawl while I was modifying interface elements in the interface editor. All I had to do was uncheck "Use Auto Layout" under the .xib's File Inspector tab, and it's running faster than ever!

So if you have any problems with Xcode's interface editor / Interface Builder being slow, just disable Auto Layout for that .xib while you're working on it, then when you're done editing the .xib, as a final step, re-enable it and add your constraints to the items.