Blizzard has updated the weekly quest in Valdrakken with a completely new UI in Guardians of the Dream.
Players can choose in Patch 10.2 which event they’d like to complete for the weekly Aiding the Accord quest. On the PTR, you could choose between Superbloom or Zskera Vaults.
Based on datamining, the following events can be completed for the weekly quest:
Siege of Dragonbane Keep
Researchers Under Fire