We tried out the new client on the recent Windows 8 developer preview to see it in action.
A developer preview with a number of security holes was released on September 15, 2010.
Based on the developer preview, so far I'd tell people to run far away.
The developer previews, at least, were not even close to vc6 in functionality.
A developer preview was released on September 15 and received criticism for various security bugs.
I downloaded the developer preview and ran it on a desktop.
But the initial developer preview was explicitly not beta quality code.
Other details about the Lion update are leaking out based on information discovered in the developer preview.
"Developer Preview 4" was released at the show, with the commercial release pushed back to January 2001.
The software appeared in neither the early Developer Previews nor the final version.