If you want a forward look at the forthcoming Elder Scrolls Online Wolfhunter DLC and the game-wide updates in v4.1.0, you're in luck. The PTS has been updated to bring both online. PTS testers can try out a pair of new dungeons, the new collectibles and item sets. IN addition, a new Battlegrounds map has been added as well as new Outfit Styles, Keep Recall Stones (Cyrodiil), the updated Respec System and more.
The update also includes balance changes "with the main goals being to improve the Werewolf skill line, reducing the duration of snare and defile effects, and increasing the viability of a number of the less popular item sets".
The update to PTS weighs in at a hefty 2.3Gb so be ready to wait a bit.
Check out the full patch notes on the Elder Scrolls Online site.