Etsy Membership Plans

So the Etsy Seller community is abuzz with talk about the new changes coming to Etsy.
Until more information becomes readily available, I thought this post might be helpful.
https://www.etsy.com/seller-news/2018-june-update/packages?ref=seller-news-packages-1
In case you didn’t see the initial email: https://www.etsy.com/seller-news/2018-june-update