For now it lives in the docs folder of the repo (or npm package if you get it that way). I've yet to decide where on the site it will live, or how, as I don't want it to be confused with an official release.
Can we make the docs on the repo GitHub projects pages?
You might be able to set the dev branch as the published branch, and then people could navigate to https://photonstorm.github.io/phaser/v2-community/docs/index.html to have to browser render it online. Or they can always download the source and open it on a local browser window
Looks like someone did it - Thanks!!
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Can we make the docs on the repo GitHub projects pages?