JupyterLab Version Description

JupyterLab supports the following two versions. The default version is 3.2.3. User experience and version stability vary among the two versions.

3.2.3: A stable version that has been widely verified and is suitable for long-term use. Select this version if you need a stable working environment.
4.3.1: The latest version that includes multiple new functions and improvements, but may be unstable. Select this version to experience the latest functions. For details about JupyterLab 4.3.1, see JupyterLab 4.3.1.

JupyterLab 3.2.3 will be gradually brought offline. Select a version as required.

JupyterLab 4.3.1

This version has significantly improved user experience, functions, and performance. The following table lists the main updates. For more information, see JupyterLab Documentation.

**Table 1** Feature updates
Function Module	Description
Workspaces	You can create multiple workspaces to organize and manage different projects and files, improving project management efficiency.
Launcher creation toolbar	Added a toolbar for functional access and convenient operations.
Theme framework optimization	Optimized the theme framework to enhance the theme flexibility and compatibility. You can customize the GUI as required.
Configuration page optimization	Optimized user experience on the configuration page for easier use.
Performance optimization and debugging enhancement	Fully optimized the system performance and enhanced the debugging function to improve the development experience.
Code editor enhancement	Improved the code editor by adding more functions and optimizing performance to improve the code writing and editing experience.
Search function enhancement	Enhanced the search function for quicker and more accurate search.
Performance enhancement	Improved the overall performance, system response speed, and system stability.
Custom CSS style sheets	Custom CSS style sheets can be used to adjust the GUI appearance to meet personalized requirements.
Markdown charts	Charts can be used in Markdown to facilitate document writing.
Virtual scroll bar	Introduced the virtual scroll bar to improve the scrolling experience of large files or a large amount of content.
Workspace UI	Improved the workspace UI to provide better visual effect and operation experience and enhance UI friendliness.
File access records	You can view recently opened and closed files to quickly access common files and improve work efficiency.
Keyboard shortcuts improvement	Keyboard shortcuts are improved for higher operation efficiency and convenience.