Check
http://googlechromereleases.blogspot.com/2011/02/dev-channel-update_16.html

And if you want to check the latest Stable channel release 9.0.5xx.x:
http://googlechromereleases.blogspot.com/2011/02/stable-channel-update_10.html

There was a security release in this month too:
http://www.secunia.com/advisories/43021/