With the new expansion coming out, we had a couple of betas for the upcoming content. The first did was to show part of the first new zone, Crystal Oasis. It did not include the new jobs.

It started with your characters taking an airship from Lions Arch:

After a brief ride, you arrive at a village in the new zone which is under attack, and you must rescue the people there:

The new areas have these things called "Bounties", where you go out and try to defeat specific, quite tough, enemies. One of them in a Legendary Choya, which is a pretty epic battle:

One of the characters I created was a Char ranger, whom I plan on making a permanent character once the expansion comes out.