#taken from NA forum
Stolen from Icy Veins who stole from Reddit:
According to Jeff Hamilton, Senior System Designer on Warcraft, there’s currently no work being done on World of Warcraft right now.
Due to the ongoing lawsuit, WoW development was temporarily halted, which benefits nobody, not players, not the developers, or shareholders, according to Senior System Designer Jeff Hamilton.
We are not sure at this time if this will delay Patch 9.2 or even 9.1.5, depending on what will be unveiled in the near future (likely at Gamescom)