Today's the day.

Not trying to be a troll but... are you mad?

Maybe you know some things that I don't know so let me ask first, has Nexon clearly confirmed their intentions to develop a 5th job, like in statement through any media or something?

That "again, according to them," would imply that he does, and that there is.

The quote from the above quote can be found in his blog by the way, if you want more information on the matter.