AutoURL doesn't work in F18 Rated 5 out of 5 stars

The AutoURL feature has stopped working in Firefox 18 beta 1:

Timestamp: 11/29/2012 06:44:57 AM
Error: TypeError: event.target is undefined
Source File: chrome:browser/content/utilityOverlay.js
Line: 110

This review is for a previous version of the add-on (1.6.0.11).