The Revit 2026 updates are cumulative and include all changes from previously released Revit 2026 updates. You can download Autodesk Revit 2026 updates from Autodesk Account or download and install automatically from the Autodesk Access.

Release Date: July 9, 2026

After this update is applied successfully, the build number specified on the Help > About dialog will be:

• 26.4.20.9
• 20260629_1515(x64)
• 2026.4.2

Software embedded in the update executable:
ADP Desktop SDK - version 5.5.54.0
FormIt Converter For Revit 2026 - version 26.4.20.9
Autodesk® Generative Design For Revit - version 26.5.6.0
Autodesk Interoperability Engine Manager - version 1.3.2.2
IFC Parameters for Revit 2026 - version 26.4.20.9
Personal Accelerator for Revit 2026 - version 24.4.54.0
Core Package Component for Revit 2026 - version 26.4.20.9
ATF for Revit 2026 - version 26.4.20.9
Core Package Component - Cloud for Revit 2026 - version 26.4.20.9
Core Package Component - Shared for Revit 2026 - version 26.4.20.9
Dynamo Core for Revit 2026 - version 26.4.20.9
Dynamo Documentation for Revit 2026 - version 26.4.20.9
Core Component for Revit 2026 - version 26.4.20.9
TwinMotion Package Component for Revit 2026 - version 26.4.20.9
Product Feedback for Revit 2026 - version 26.4.20.9
Carbon Insights for Revit 2026 - version 26.4.20.9

Issues Resolved

General
Addressed potential security vulnerabilities.

IFC
Fixed linking of IFC files after changing the name of Autodesk Docs to Autodesk Forma.

PDF Export
Fixed an issue where the Arial Narrow font was incorrectly exported as Italic to PDF.

Revit Cloud Models
Improved resiliency of Revit Accelerator when pre-fetching Cloud Models.

Tags
Fixed an issue that could prevent upgrading older models when certain tags were missing a host.
Fixed an issue that could prevent projects containing multi-category tags with hosts from linked Revit models from upgrading successfully.

Important Notes

Uninstall
Revit 2026 updates cannot be uninstalled to revert Autodesk Revit 2026 to its pre-update state.