STARS 2.2 was officially released in August 2019 and is the latest version. Periodic administrative updates may be released, but there are currently no planned substantive changes. Institutions still working in version 2.1 can remain under that version until May 30, 2021.
We have just started the technical development process for version 3.0 and we anticipate that process to take 2-3 years. The tentative STARS 3.0 Development Timeline provides more detailed information on the development process. A Vision for STARS 3.0 was approved by the Steering Committee in November 2019.