This update addresses critical bugs related to model synchronization and external calculations:
How would an engineer deploy this hotfix? The steps illustrate why "2020.2.9" is a stressful label: 2020.2.9 hotfix
Notable fixes
Your software must be at Revit 2020 or a later update state before applying this hotfix. Important Maintenance Note Unlike some earlier updates, Revit hotfixes cannot be uninstalled This update addresses critical bugs related to model