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It turned into Reprint, which has a demo mode site running on develop.reprint.io, and powers jesta.us as well as a number of other blogs :)

Now that #steemconnect is available, I assume authoring, curation and other blockchain-manipulation be done through Reprint?

If the interfaces were built out for it - yes.

There's a v2 of steemconnect coming at some point, I've been waiting for that :)