2026.4.1 Update
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: April 16, 2026
After this update is applied successfully, the build number specified on the Help > About dialog will be:
- 26.4.10.51
- 20260406_1515(x64)
- 2026.4.1
| Software embedded in the update executable: |
| ADP Desktop SDK - version 5.5.54.0 |
| FormIt Converter For Revit 2026 - version 26.4.10.51 |
| 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 26.4.10.51 |
| Personal Accelerator for Revit 2026 - version 24.4.42.0 |
| Core Package Component for Revit 2026 - version 26.4.10.51 |
| ATF for Revit 2026 - version 26.4.10.51 |
| Core Package Component - Cloud for Revit 2026 - version 26.4.10.51 |
| Core Package Component - Shared for Revit 2026 - version 26.4.10.51 |
| Dynamo Core for Revit 2026 - version 26.4.10.51 |
| Dynamo Documentation for Revit 2026 - version 26.4.10.51 |
| Core Component for Revit 2026 - version 26.4.10.51 |
| TwinMotion Package Component for Revit 2026 - version 26.4.10.51 |
| Unit Schemas for Revit 2026 - version 26.4.10.51 |
| Product Feedback for Revit 2026 - version 26.4.10.51 |
| Carbon Insights for Revit 2026 - version 26.4.10.51 |
Issues Resolved
| General |
| Addressed potential security vulnerabilities. |
| Addressed RFA File Parsing Vulnerability. More details. |
| Beam System |
| Improved stability when adding Beam Systems. |
| Improved stability when editing beam system boundaries. |
| Beams and Braces |
| Fixed an issue with changing Design Options by addressing the circular dependency error message. |
| Coordination Model |
| Improved performance when opening models with cloud Coordination Model links and removing Coordination Model links that contain several Coordination Model parameters. |
| Improved stability of Revit models containing cloud Coordination Models when they are being handled via Revit Core Engine and the user is not signed in. |
| Design Option |
| Fixed an issue in Design Options where the Active Only/Exclude Options checkbox is not visible after clicking on a control. |
| Dynamo for Revit |
| Upgraded Dynamo Core version to 3.6.2. See the release notes for details. |
| Electrical Miscellaneous |
| Fixed an issue where an electrical panel could not be copied and pasted from the clipboard. |
| Family |
| Improved stability when selecting references that include shaft opening geometry. |
| Improved stability when some dialogs are accessed during element placement. |
| Improved stability when interacting with the Line Weights dialog. |
| File Open/Save |
| Fixed an issue that prevented cloud models from Desktop Connector to be loaded as groups into models. |
| Graphics |
| Improved stability when using two tiled accelerated views. |
| IFC |
| Improved IFC import handling of nested IfcBuildingStorey elements. |
| Improved positioning of linked IFC files when true north does not equal project north. |
| Lighting Analysis |
| Solved an issue where API function returns an incorrect number of light types. |
| Link RVT Files |
| Improved stability for cases where Revit Link Display Settings have been modified and there is an invalid or missing value for the View Discipline. |
| MEP Fabrication |
| Improved stability when opening Fabrication Settings when multiple models are open. |
| Fixed an issue where straights are being set to "Value" when optimizing straights over 100 feet. |
| Improved stability when attempting to copy fabrication parts from one model to another. |
| Print |
| Fixed an issue during vector exporting and printing to PDF where a background raster image would incorrectly show through the model in areas with overlapping elements that include a sloped floor. |
| Fixed an issue where solid fill on transparent elements below a floor that is 100% transparent did not print and export, while settings of 99% transparent and below would behave correctly. |
| Properties Dialog |
| Fixed an issue where parameter values reverted when they were input simultaneously in the Properties palette using the down arrow key. |
| Revit Cloud Model (workshared) |
| Improved stability when signing out of Autodesk account while initiating a cloud model. |
| Revit Home |
| Fixed an issue that limited hub visibility in Autodesk Projects for accounts with more than 100 hubs. |
| Schedules |
| Fixed an issue where the value of a shared parameter from an electrical equipment family didn't transfer from the key schedule to the element properties. |
| Fixed an issue where Revit closed unexpectedly when editing the format of a specific schedule title. |
| Improved stability when adding a shared parameter to a schedule. |
| Sheets |
| Resolved an issue where it was possible to delete the default viewport type, which resulted in the inability to select a placed view. |
| Site |
| Fix an issue that caused "reset shape" errors when linking topography. |
| Steel Connections |
| Improved stability in custom .NET API Steel Connections in a scenario where the locale is set to German. |
| Twinmotion for Revit |
| Improved the stability of Twinmotion Connections command. |
| User Interface |
| Improved stability and performance when interacting with the user interface during modal states or long operations such as project upgrade or regeneration. |
| Improved stability when switching from editing one model to another in the same session. |
| Fixed an issue where the Show command was not enabled for DWG links and imports in the Manage Links dialog. |
Important Notes
| Uninstall |
| Revit 2026 updates cannot be uninstalled to revert Autodesk Revit 2026 to its pre-update state. |