🪐 JupyterLab Hot Reload Example JupyterLab Hot Reload Example. Hot Reload with JupyterLab yarn start Hot Reload and HMR (Hot Module Replacement) with JupyterLab Headless yarn start:hmr Develop yarn && yarn build pip install -e .[test] jupyter labextension develop . --overwrite jupyter labextension list jupyter server extension list yarn jupyterlab