11.9.1

Stable

April 17, 2026

Mendix Studio Pro is our low-code IDE for professional developers. It's a powerful visual model-driven development environment to build apps on the Mendix Platform. With Studio Pro you can easily create, change, integrate, test and deploy your applications, all in one place. Moreover, you can manage branch lines and security as well as extend your app with custom code using the built-in editors. Click 'Download Studio Pro' to get the installer for free (Windows OS required*). Learn more about the installation and the Studio Pro capabilities in our documentation. Not a professional developer? Learn How Mendix supports different developer profiles .Before installing, please read the Release Notes to learn about improvements, bug fixes, backwards compatibility, breaking changes and known issues. *If you are using a Mac, check out these instructions first.

Release Notes - **Release date: April 17 , 2026** ### Fixes - We fixed a [known issue](https://docs.mendix.com/releasenotes/studio-pro/11.9/#known-issues) where subsequent imports of widget-containing modules silently failed. - We significantly improved the load times for microflows in the Extensibility API. - We fixed a bug where wrong type name was returned for **Custom Blob** documents during the rename event payload in the Extensibility API. - We made Event sub-process start activity in workflow not draggable. - We made main start activity in Workflow not draggable to prevent users from accidentally dragging it and losing their progress. This change will help improve the user experience and prevent frustration caused by accidental drags.