I'm adding this here as an ambassador action, I guess. After going through the steps on the walkthrough I'm not sure what's left for me to get sponsored, but I saw an email exchange on the mailing list before in which I guess we're supposed to be doing ambassador stuff before we're officially ambassadors.

Anyway, here's the writeup: http://www.ericsbinaryworld.com/2015/04/26/taking-fedora-22-kde-spin-beta-for-a-spin/