In an urge to come up with something new everytime, Google team will now be sending the updates about new versions of software packages and plugins to webmasters through a message via Webmaster Tools .
At times webmasters are not able to keep a check on the newer software versions coming up in market. The effort by Google team will certainly help them in taking a decision if they want to upgrade to the higher version or not.
The official Google Webmaster blog is talking about the ways on how to identify the sites that can be notified to the webmasters. One of the best methods is parsing the source code of web pages that would be crawled by Google team. Suppose, WordPress and the other CMS applications have a generator meta tag that would specify the version of the number. This will prove to be helpful for the team to notify webmasters about the up-gradations. If you are a software developer and want the Google team to notify your users about new software versions, include a generator meta tag for telling the version number of your software.
The team received divided opinions about the new application because it might let the worm writers and hackers know that the site is vulnerable to which particular exploit type. Matt Mullenweg has discussed the ways to keep WordPress secure in his September blogpost on the WordPress site. But the advantage of the version number is that site owners will get alert about when to update their site easily.