Sizer 2023 (version 13.0) was released on December 22, 2022.
The program now conforms to IBC 2021, however there were no substantial changes to the IBC 2018 which affect Sizer. The program conforms to NDS 2018, which is referenced by IBC 2021 and no change from the previous version.
The upgrade to Sizer consisted of bug fixes and minor improvements. Descriptions of these changes will be provided soon.