Wanted to try Google Chrome’s number one requested feature, extensions, but you were hesitant to use a possibly unstable beta version of the browser? Well, you no longer have to, cause Google Chrome 4 is released to the stable channel, with the primary new feature being Google Chrome Extensions.

The install page for the Google Mail Checker, the most popular extension at the time of writing.
Another noticeable new feature is bookmark sync (a feature of Google Toolbar), which we had covered a few months ago.

Sync your bookmarks using Google Bookmarks
According to Google, there are over 1500 new features in this release.
Google Chrome
For Windows, Mac, and Linux
Please note that Chrome 4 Stable is for Windows only.