Quote Originally Posted by JohnGabriel View Post
Seems like the Hotfix is what broke it so Jamba may need updated for it to start working. Here is what the TradeSkillMaster author tweeted yesterday:
There was both an update pushed during the maintenance window (which broke things), and then a hotfix pushed at a later time, while servers were running, to correct the issues that arose during that maintenance window. However, I'm only familiar with the issues that were caused by realm names, and Blizzard did rolling restarts this morning to, most likely, finalize any fixes that were in yesterday's hotfix.