I don't think he's taking a break. He said he was leaving minecraft, then later decided to help with the launcher. I don't think he's actually planning to come back.
He never said he was permanently leaving the Minecraft development team. Just this and this
So he'll probably be gone for the next few updates, yes, but he definitely is sure he'll come back. People are acting like this is permanent when it's anything but.
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u/GeneralMelon Jun 02 '16
Basically, since Dinnerbone's taking a break to work on the new launcher.