The Test realms will be brought down today at 1 p.m. PDT so that we can apply a patch. The realms are expected to be made live again at 4 p.m. PDT.
Thank you for testing!
Source
I guess Blizzard doesn't want me to make normal news. Depending of what's inside the new patch i'll bring the 2.1.0 informations post back to the top of the homepage.

Anyway, make sure you check the site tonight