writes "Opera 10.0, dubbed Opera Unite, has been released. Built into the Web browser is a full-fledged Web server, complete with nifty little gadgets such as a 'fridge' that people can post notes onto, a chat room, a widget to stream your music library anywhere, and a built-in file-sharing mechanism. It also scores 100/100 on the Acid3 test."
and TLS point to The Register's report on the new release
5-minute video demo
, respectively. Update: 06/16 15:18 GMT
Roar Lauritzsen of Opera Software writes to point out that "release" isn't quite the right word here; though you can download it, version 10.0 is still in beta, and the version with Unite is a labs (experimental) release.