If you are working with the latest version of Google Chrome (6.0.442.0) and you have been doing some testing or projects with WebSockets you may have already noticed there has been a change in the WebSockets specification for the client/server handshake protocol.
More info about the change:
http://webreflection.blogspot.com/2010/06/websocket-handshake-76-simplified.html
http://blog.chromium.org/2010/06/websocket-protocol-updated.html