Well, they say they want that.  But this is at best aspirational, it isn&#x27;t true.  Certainly not so far and as far as I can tell not in the foreseeable future.  Quite frankly, I doubt it will ever be true, because in essence their claim is that they are building the Sufficiently Smart Compiler and despite all the problems now it will be totally awesome when they&#x27;re done.<p>Swift currently can&#x27;t hold a candle to Objective-C on the performance front, which is why all the heavy lifting is done in Objective-C.  As a small example, see how many articles there are on &quot;Swift JSON parsing&quot;, then check what percentage of those call into the NSJSONSerialization Objective-C class to the actual, you know, <i>parsing</i>.