"Deploying Updates: Servers Down for 30 Mins
We are bringing the game servers down to deploy some bug fixes. This process will take approximately 30 minutes or more. During this time, you will not be able to connect to the game. We apologize for the inconvenience and thank you for your understanding."
Source: https://forum-en.guildwars2.com/forum/index
I'm still able to log in. What about everyone else?