Patch notes for patch 2.4.3 are up. Additionally, the PTR client for 2.4.3 is now available to be downloaded. However, the PTR server is not up yet.
Highlights of this patch include:
* Mounts at level 30
* Changes to non-combat pets
* Curse of Shadow and Curse of Elements have been combined
* Hunter pet changes
* Magisters' Terrace nerf
* Changes to Rogue's Cheat Death abil