While Revit 2020 is now considered a legacy version outside of Autodesk's standard three-year "previous version" support cycle, the hotfix can typically be accessed via:
Improves stability when connecting parts that attempt to apply connector adjustments during matching. revit 2020.2.9 hotfix
Even if your firm has moved to newer versions, maintaining a patched 2020 environment is essential for archived projects or collaborators using the same version. Specifically, the for cloud models prevents data loss in older workshared projects. Additionally, users running Revit 2020 on Windows 11 should ensure this hotfix is applied, as it falls under the versions officially supported for that OS. While Revit 2020 is now considered a legacy