* [https://bugzilla.mozilla.org/show_bug.cgi?id=850065 Incremental cycle collector] (mccr8)
* [https://bugzilla.mozilla.org/show_bug.cgi?id=845545 Cycle collector per DOM worker thread] (khuey)
* [https://bugzilla.mozilla.org/show_bug.cgi?id=841442 One Node left to convert to new bindings ] (baku)* [https://bugzilla.mozilla.org/show_bug.cgi?id=653881 XBL Refactor - May break things 0 Bug 653881]
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