User blog comment:Sarah Manley/New Editor Scheduled for Sitewide Release/@comment-13301-20110902192151/@comment-1158367-20110903042252

Not to mention the long waiting because (as Ciencia stated) the cache isn't updating as it should be and it took hours to see what changed.

And no. The ?action=purge or clean the cache of Chrome/Firefox it's useless for this.