| Component | Pre-Hotfix Version (2020.2.8) | Post-Hotfix Version (2020.2.9) | | :--- | :--- | :--- | | | 20.2.80.95 | 20.2.90.12 | | RevitCloudModel.dll | 20.2.8.0 | 20.2.9.105 | | AdWindows.dll (UI) | 20.2.8.451 | 20.2.9.451 (No UI change) | | DBHost.dll (Family hosting) | 20.2.8.32 | 20.2.9.78 |
Addressed path resolution errors for Cloud Worksharing links. Security Vulnerabilities Updated components used for importing files to mitigate potential security risks.
This article explores everything you need to know about this late-stage hotfix: what it fixes, why you need it, how to install it, and whether it should be your final stop before a full version upgrade. revit 2020.2.9 hotfix
As Revit 2020 has now reached its official end-of-support life cycle , this hotfix is the definitive version for users maintaining legacy projects.
Given that this is a hotfix (not a major update), it intentionally lacks feature additions. Do not expect: | Component | Pre-Hotfix Version (2020
Autodesk typically stops issuing hotfixes for versions older than three years. However, security patches often force extended maintenance. The 2020.2.9 hotfix was released primarily to address maliciously crafted DLL files and unsafe loading of XML libraries that could allow remote code execution.
Due to Autodesk’s legacy policies, you cannot find this hotfix via the Autodesk Desktop App (which usually only supports the current version + one back). You must access: As Revit 2020 has now reached its official
The Revit 2020.2.9 Hotfix is a testament to the longevity of BIM software. While Autodesk has moved on to AI-driven features in Revit 2026, thousands of real-world projects—power plants, government buildings, and schools—are still managed in Revit 2020.
Note: A valid maintenace plan or subscription license for Revit 2020 is required to legally download this file.