Read on!
https://www.federalregister.gov/documents/2018/07/19/2018-15458/soliciting-feedback-from-users-on-2020-census-data-products
Comments accepted thru Sept. 17. Census staff will convene a webcast next week, July 31 describing their process and what they’re asking. (Expect it to be pretty much what you can see already in the Fed Register notice.)