Summary: Google Chrome version 21.0.1180.60 (21.0.1180.57 for Mac and Linux) is out, fixing 15 security vulnerabilities in the search giant's browser.
===> Strictly from a security perspective, you should upgrade as soon as possible. <===
Read more:
http://www.zdnet.com/google-chrome-21-is-out-7000001920/
Via Gust MEES