The mounts will be even more valuable due to 7.2 which added an ability for WoTLK Gold flying within The Broken Isles. It won't be immediately available to everyone, since you'll have to first complete the Broken Isle Pathfinder, Part 2 Achievement in order to get the ability to fly in the skies.

7.2 Introduces new methods to boost your artifact by introducing new traits, more levels for existing traits, and a new final attribute which is obtained through an adventure.

There's also a large variety of new changes to items, classes such as professions, classes as well as professions, classes, etc. There are also changes to the quality of life (like the new screen that will identify the item sets and options for transmogrification) as well as enhancements to targeting using The Tab button (no any more aiming at an enemy that you cannot see! ) and much more.

The above video provides an overview of the most important aspects, and the complete patch notes are available here. Blizzard has also released more detailed previews of different components of the patch, which you can view here.

Blizzard Explains The Reasons WoW WOTLK classic Server Balance Is An incredibly difficult problem to Find a Solution

Blizzard has published a lengthy response to a thread discussing Burning Crusade Classic and WoW WOTLK classic server issues in addition to confirming that the possibility of a "live chat" conversation with the community of the game on the subject is expected soon.

The forum response, written by an WoW WOTLK classic producer who goes by the name of Aggrend on the WoW WOTLK classic community council forum. WoW WOTLK classic community council forum, delves into the way Blizzard uses free transfer of characters server mergers, character transfers and server merges. As Aggrend goes into, this is a complex issue that doesn't have an "silver bullet" solution. He writes"that "player spread across the realm is the most complicated and, in buy WoTLK Gold fact, the most complicated issues that WoW WOTLK classic faces."