To prevent any potential abuse -- not that I can think of any, but as a preemptive move nonetheless, and maybe to make you think longer than half a second before changing classes. I wouldn't mind seeing it gone.

Quote Originally Posted by Felis View Post
Even in 1.0 every skill started with cool down after changing the class. Only different is that ARR has a short cool down for every skill after changing class while in 1.0 it was the normal cool down for the single skills. You changed class before the fight against the end-boss? Your strong 15 minute CD skill is now on CD for 15 minutes.
It's either 30 seconds for skills with no CD or the skill's own CD, so it didn't change much.