I use express3.0.0rc3 in my application and it works pretty well. I don't use connect itself, but configured express to use sessions with key express.sidapp.use(express.cookieParser());app.use(express.session({key: 'express.sid', secret: cfg.SITE_SECRET, store: db.sessionStore(express)}));Now I wonder - why do I have both express.sid and connect.sid instead just express.sid sesseon cookies on every request?