I just heard about this game for the first time while looking at the itinerary for the upcoming Ubisoft Forward event. It seems I have already missed the closed alpha and that, according to the blog, the planned closed beta has transitioned to a series of feature specific workshops.

Can I sign up for those still? Where is the original sign up link for the closed alpha and beta? All of the blog posts about signing up seem to be devoid of an actual link to do so.