It seems that the IB object templates in XCode 6 beta are still creating old-style objects (UIWebView for iOS and WebView for OSX). Hopefully Apple will update them for the
You are correct - it doesn't seem to work. If you look in the headers, you'll see:
- (instancetype)initWithCoder:(NSCoder *)coder NS_UNAVAILABLE;
which implies that you can't instantiate one from a nib.
You'll have to do it by hand in viewDidLoad or loadView.