2.4.0.4 release notes
2.4.0.4 Issue 2951 - Added first-class support for UI Bundles and Salesforce Multi-Framework . Note that this feature requires native IDE JavaScript/TypeScript/CSS/React support, so you'll need to pair Illuminated Cloud with either a commercial JetBrains IDE or a free 2026.1+ JetBrains IDE. A demonstration video is available here. As part of this work, the Illuminated Cloud application-level settings tab LWC has been renamed UI Frameworks and now includes options for configuration of both Lightning Web Components and UI Bundles behavior. The new/changed options are: LWC Enable LWC local development - LWC local development support has existed for some time, but it wasn't possible to disable it. Now it can be disabled if desired, but it is enabled by default . Disable deploy-on-save of LWC source files when the local development server is running - This option was moved from the Deployment tab (previously called Validation and Deployment ) to be closer to its related setti...