Well actually it has been for a few days now already.
You should automatically get it when you start the game.

Here's a change list:

1.1.0 - rev. 4165 - 11.11.2009
german, french, italian, spansh and japanese localization
fixed exploit that made it possible to submit non valid highscores
submitting highscores only possible with the newest version from now on
improved patching mechanism
updated switches
general performance improvement
starting up in fullscreen as default, when the game is started the first time

If you want you can also read the full version history