While Blizzard is on the World of Warcraft PTR is working on the "big" Battle for Azeroth update, there was another hotfix last night.

World of Warcraft - Hotfixes September 21, 2018

Dungeons & Raids

• Tol Dagor
  • Overseer Korgus' Incendiary Rounds damage and recoil from his Explosive Rounds has been reduced by 25 %.

Island expeditions

• A new world quest has been added that requires completing an island expedition. Click on the map and set off on an adventure!
• Some Island Expeditions Achievements are now account-wide.
• Fixed additional bugs that prevented players from receiving progress on island expeditions for the weekly quest "Azerite for the Horde / Alliance".

Objects

• Fixed several bugs that could prevent truffles from behaving as intended in Stormsong Valley.
• Heart of Azeroth
  • "Ablative Shielding" is no longer reduced by "Staggering".

PvP

• The weekly quest “Something Different” can now be completed correctly by participating in the Shado-Pan Showdown.
• "Something Different" now grants a piece of equipment for the dreaded gladiator with an item level of 340 from the fighter's lock box.
• Players who have already completed “Something Else” this week can now submit the quest again.

World quests

• Fixed a bug that prevented Vermin Problem from granting progress on the Storm's Wake Emissary quest.
• There are now a large number of ancient documents that are "overdue".