UPDATE: We've uploaded ArenaNet's Guild Wars 2: Heart of Thorns developer session from Rezzed for your viewing pleasure.
The full thing is in the video at the bottom of this article. The video above it contains our first look at the World vs. World Desert Borderlands map.
ORIGINAL STORY: ArenaNet will show the first gameplay of Guild Wars 2: Heart of Thorns' World vs. World Desert Borderlands map at 3pm today.
The developer will stream its Rezzed panel, in which the MMO's new competitive features will be revealed. You can watch along via the video, below.
For more on the expansion, check out our Guild Wars 2: Heart of Thorns feature.