The hotfix improved software stability when connecting mechanical, electrical, and plumbing (MEP) parts that require connector adjustments.
Note that Autodesk typically supports the current version plus five previous years. As of 2025/2026, finding direct downloads for Revit 2020 updates may require reaching out to Autodesk Support directly if they are no longer visible in the standard portal. 202029 hotfix 2021
It resolved a bug where Revit Cloud Worksharing models could not be opened due to missing metadata, a critical fix for teams collaborating in the cloud. 202029 hotfix 2021