JupyterLab 4.0 is Here

JupyterLab 4.0 has been released with new features and performance improvements, such as faster rendering and an upgraded text editor. Real-time collaboration has been moved to a separate package, and there is a new extension manager. The update also includes UI improvements, accessibility enhancements, development tool updates, bug fixes, and backported features from JupyterLab 4 to JupyterLab 3.6.