alt Hacker NewsConversely, a web app platform that includes all the primitives that are needed to build a decent web app (as opposed to bring your own everything/building castles from grains of sand model) would be nice. It doesn't necessarily have to be a browser, though.
We had those (Flash, Shockwave, Java Applets, etc.), the browser won.
Nobody is going to win over browsers with an opinionated batteries included application framework.