emberjs/ember.js — pull request #5285 by JackCA (2014-07-31 03:55:39+00:00)
Title: Docs: Clarify silent changes in willDestroyElement

This is behavior that is not blatantly obvious to most users and would be helpful to document.

Certainly open to improvement on wording.

See: #4504

cc @H1D @stefanpenner