#1 - Jan. 17, 2020, 12:07 a.m.
The official update notes for the January 21, 2020 Battle for Azeroth Season 4 update have arrived.
Read them here.
[News] Visions of N’Zoth Season 4 Content Update Notes
#12 - Jan. 17, 2020, 4:16 p.m.
We’ll post about hotfixes as they happen. I can’t comment on the issue you mention specifically though right now.
#13 - Jan. 17, 2020, 4:17 p.m.
That was added in here in error. It’s been removed since Ulmath was introduced with Rise of Aszhara. Sorry for the confusion.