The rest of the patch notes for Patch 6.2.2 can be found in this blog.

World of Warcraft Patch 6.2.2a, Build 20574

---

Updated: October 6, 2015.

Bug Fixes

• Disabled support for split screen mode in the Mac Client on OS X 10.11 to address a stability issue.
• Disabled the Find Cursor feature in the Mac Client on OS X 10.11.
• Corrected a display issue where Undead characters would see an incorrect race icon while performing a Paid Race Change.
  

World of Warcraft Patch 6.2.2a, Build 20490

---

Updated: September 15, 2015.

Bug Fixes

• Fixed an animation issue with Bladestorm that affected Dwarf Warriors.
• Fixed an issue that caused some Archaeology dig sites to take on an odd shape and prevented them from being completed.