"For Minecraft, if you want to, you will be able to play the latest unstable nightly build. If you choose to, it will be installed parallel to the normal game, and it will be VERY buggy. But you’ll also get access to the absolutely latest version of the game, way before we do any releases. We’re also looking into putting up a Twitter bot that broadcasts all SVN commit comments, in case you’re REALLY curious.
The Minecraft update is coming on Thursday. There’s even a user story about that on the kanban board (anything that doesn’t get added before that won’t make it into the release)." - Notch
http://notch.tumblr.com/post/2687176...-dump-incoming
Really important parts have been snipped.
P.S. I still think it's a lie...