The Census Bureau announced today that the 2016-2020 ACS data products will be released on St. Patrick’s Day: Thursday, March 17, 2022. 

This will allow analysts to examine three non-overlapping sets of five-year ACS products: 2006-2010, 2011-2015 and 2016-2020.

https://www.census.gov/programs-surveys/acs/news/data-releases/2020/release-schedule.html