Naoki Yoshida has mentioned that the "theme" colour that he envisions for Endwalker is platinum (whatever that means, who knows). Also, the "signature" job for Endwalker is the paladin.

I don't really play tanks, but very rarely I goof around on a gladiator. Just the other day I finally got it to level 30 and noticed this conspicuous line of dialogue in the quest that unlocks paladin:



What. The. Heck. He's been planning it all since ARR, people! All bets are off, anything is possible. Y'shtola will start talking to us players using our real life names. Tataru is the final boss. After the last MSQ of Endwalker we'll be told to look under our seats and there will be a photo of our characters in their current glam -- and the back is signed by Yoshi-P and dated August 24th, 2013.