Open serverless-workflow-combined-editor. Enable edit mode in DiagramEditor.java : Change readOnly mode to false: "stunnerEditor.setReadOnly(false);" To use the editor you can run the following commands in kie-tools repo: pnpm bootstrap pnpm -r -F @kie-tools/serverless-workflow-diagram-editor... build:prod pnpm -r -F serverless-workflow-combined-editor... build:prod (cd $KIE_TOOLS_HOME/packages/serverless-workflow-combined-editor && pnpm run start) Open http://localhost:9002/ in a browser. Open any workflow and change the node's layout manually from diagram. Create a state using Toolbox. Actual result Custom layout is changed to automatic for the whole diagram. Expected result Custom layout is preserved where possible. Only affected states are changed.