2023.1.7 Update

The Revit LT 2023 updates and hotfixes are cumulative and include all changes from previously released Revit LT 2023 updates.

Release Date: April 24, 2025

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

Software embedded in the update executable:
Revit LT 2023 - version 23.1.70.22
Revit Unit Schemas 2023 - version 23.1.70.22
REX Framework 2023 HF1 - version 23.0.1.4951
Cloud Models for Revit 2023 - version 23.1.70.22
Colorbooks for Revit LT 2023 - version 23.1.70.22
FormIt Converter for Revit 2023 - version 23.1.70.22
Personal Accelerator for Revit 2023 - version 24.4.21.0
Product Feedback for Revit 2023 - version 23.1.70.22

Issues Resolved

General
Addressed potential SKP File Parsing Heap Corruption Vulnerability in Revit. More details.
Addressed potential PDF Vulnerabilities in Certain Autodesk Desktop Products. More details.
Addressed potential JPG Vulnerability in Certain Autodesk Desktop Products. More details.

Export PDF
Fixed an issue where Revit exported PDF measured incorrectly when viewed through Autodesk Viewer.

User Interface
Improved the stability when working with user.config file to store and retrieve dialog size data.

Installation
Revit LT 2023.1 and newer updates do not support uninstall, once Revit LT 2023.1 or newer update is applied Revit LT 2023 can not be reverted to its pre-update state.
In some scenarios you may be prompted for the RLT.msi, this occurs when the Update detects an unexpected version of an existing file and needs to determine the next course of action. Please provide the location to the RLT.msi used during initial installation of Revit LT 2023 to continue installing the update.
“Could not access network location Revit LT 2023” message or "Autodesk Revit LT 2023 is already installed" message may occur after uninstalling Revit LT 2023 and attempting to reinstall Revit LT 2023. This issue can be resolved by running the Autodesk Revit LT 2023 Install Cleanup Utility.