Matt Cutts' blog gives update on search quality/infrastructure on Google going into the fall.
"I know that webmasters are especially sensitive to quality/webspam/ranking changes in Q4 because of the holiday season. If we’ve got something that evaluates well and that we think will improve quality, we can’t just pause for 1/4th of the year, but if anything big launches I’ll try to be available to answer questions and help get a handle on any changes. (Right now I’m not expecting radical changes in webspam ranking, but I know better than to make a promise.) Of course we’ll also be around at webmaster conferences. Several Googlers (including me) will be at PubCon in Vegas in November to talk to webmasters. Several Googlers (including Adam Lasnik and Vanessa Fox, but probably not me) will also be at SES Chicago in December to get feedback and answer questions too," says Matt Cutts.
Matt has given a summary of what all has happened since his last Google weather report. He talks about Big Daddy, crawl caching proxy, the new supplemental index, the site: command update, and PageRank export. The post "Smaller Issues" is a continuation to Fall Weather Forecast.