Testlive update 2.1, revision #252671/26796
The new sound effects added for the blue hole in the sky includes a big humming sound that is deafening. You can barely hear anything else. More like being in a room with 100 servers.
How to reproduce: Play on the Isle of Siptah map, after the maelstrom have ended, while the blue hole in the sky is visible. It feels like you’re under a wild surge all the time. It’s the same sound effect.