On the SE.com site, affecting my global Filtered Questions, if I attempt to click the edit link, the JavaScript console reports an error:
TypeError: $.browser is undefined[Learn More] jquery.autocomplete.min.js:11:1270
Same error on Firefox and Safari running on MacOS.
On Chrome latest version under Windows 7 the error is:
jquery.autocomplete.min.js:11 Uncaught TypeError: Cannot read property 'opera' of undefined(…)