JupyterLab 4.4 and Notebook 7.4 have been available for a bit more than a month now, and we just published a blog post to highlight the new features in these latest releases 
- Code console improvements
- Settings import and export
- Workspace indicator
- Kernel subshells support
- Improved RTC experience
These new releases also include many bug fixes and other enhancements.
To install the new versions:
pip install -U jupyterlab notebook
Or with conda / mamba:
mamba install -c conda-forge jupyterlab notebook
Check out the blog post to learn more!