The current version of Sage 100 ( formerly MAS90 ) is 2021. This was released in April 2021. Since then, there have been two product updates, The first, product update one, was released on June 23, 2021. The most recent update, product update two, was released on September 15, 2021.
The next expected version of Sage 100 is 2022. This release is tentatively scheduled for March 26, 2022. A full feature list for this version has not yet been published, although Sage has a webinar on February 22, 2022, to discuss features.
A complete list of what’s new in versions 2017 through 2021 is available online at Sage 100 Upgrade Guide.