The current release is Guardian Glass for BIM Beta version 2.1.2 (as of June 2023). This Knowledgebase was last revised in June 2023. The installer file may be downloaded by creating an account with Guardian and accessing the download from your account area (See Section 1.4 Initial Setup)
Recent improvements include:
Support for Revit 2023 (orientations and shading surfaces corrected)
Various improvements, maintenance and bug fixes.