Main priority from me would be to revert to Alpine.
While fixing DBL would be nice it is not guaranteed to succeed in the first iteration and should be done as a public beta with iteration done based on player feedback and observation of player behaviour.
Glad to see interaction regarding WvW from the team at ArenaNet now. Regardless of the changes that are made I look forward to playing WvW again, I have missed the sole game mode that kept me playing Guild Wars 2.