determining location of deprecation warning on Ember.js

I upgraded to Ember 1.18 and I'm getting:

DEPRECATION: Using currentWhen with {{link-to}} is deprecated in favor of `current-when`.
        at Ember.LinkView.EmberComponent.extend.init (http://ift.tt/1BfMkow)
        at apply (http://ift.tt/1LHxUP9)
        at superWrapper [as init] (http://ift.tt/1BfMjAQ)
        at apply (http://ift.tt/1LHxUP9)
        at new Class (http://ift.tt/1LHxUPb)
        at Function.Mixin.create.create (http://ift.tt/1BfMkEO)
        at CoreView.extend.createChildView (http://ift.tt/1LHxUPd)
        at Object.merge.appendChild (http://ift.tt/1BfMkEQ)
        at CoreView.extend.appendChild (http://ift.tt/1LHxV5v)

None of the traceback is my code, and I'm mainly using {link-to-animated} (without currentWhen explicitly)

How can I figure out where is the preblematic code?