All US servers will come down on Friday, November 22nd at 7:00AM Pacific Time for an update. The expected downtime is approximately one hour. The patch notes are below, and also check out the concept art for the Channeler epic that was tweeted out a bit ago!
POPULATION / ZONE PROGRESSION
Corrected an issue where Yurit in the Matri Marn encounter would dispel himself when he shouldn't.
The Chamber Warden in Ssrez'Ras: Chamber of Stasis [Heroic] now updates the Weekly heroic mission, Running the Temple.