Firefox 22 released
Not sure linking to the FTP mirror is all that useful. Here are the release notes: <a href="https://www.mozilla.org/en-US/firefox/22.0/releasenotes/" rel="nofollow">https://www.mozilla.org/en-US/firefox/22.0/releasenotes/</a><p>Highlights: WebRTC, asm.js, flexbox, and web notifications are present and enabled by default.