In the screenshot below, find the stack trace and look at the last stack(s). Is that just a programmers (@Apple) frustration or is there any acronym? I tried looking for some meaningful values enter image description here

  • What screenshot? There isn't any. – user3439894 Apr 22 '15 at 21:10
  • Sorry forgot to add that. – Dunes Buggy Apr 22 '15 at 21:27
  • They do on the iPhone, not sure about the Mac though – Spotlight Apr 22 '15 at 21:50

The WTF stands for Web Template Framework, which is a part of WebKit.

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