MXDN down? New Layout
Getting 503 Service temporarily unavailable error Edit: where in the new format do you see/download new versions of Mendix? New Edit - now I see it, the new menu at the top
It is up again. (There was a 'maintenance' message, but due to caching it might be the case that you didn't see it).
Note that the proper URL has changed to https://support.mendix.com/