A minor note, I notice that the Qiime2 website plug-in documentations have underscore separated parameters whereas in terminal we would be using a dash.
i.e. from the site: demultiplexed_seqs whereas it should be demultiplexed-seqs.
Unless this is by design for some reason I think it might throw off some people migrating from Qiime1 being used to the underscores.
ps. I apologize in advance for numerous postings today, just dumping some of my notes I took during our recent Q2 workshop.