The main server has now been equipped with 1.6.5, 1.6.6 news to come later.
Notch has just tweeted the following:
Aack, sorry! I wasn't aware the bugs were that severe! =( I feel horrible now. I'll head in to the office tomorrow.
We've managed to move everything over to a new hard drive and a new system, we also have a new IP address:
Currently some work is being done on the server to hopefully improve performance.
Carto is back, with an new feature.
Sunday is bug fixing day~
We'll be trailing a workaround feature on the server later, the server will require a full reboot and around 5 minutes of downtime.