Install from PyPI: https://pypi.org/project/jupyterlab/4.5.0rc0/ or conda-forge https://anaconda.org/conda-forge/jupyterlab/files?version=4.5.0rc0 pip install --pre --upgrade jupyterlab==4.5.0rc0 Try it on Interactive Binder Preview | Changes compared to beta1 | Full release notes Release Notes …

Second JupyterLab 4.5.0 RC is out: PyPI Changes since RC0 pip install --pre --upgrade jupyterlab==4.5.0rc1

JupyterLab 4.5.0 Release Candidate available

krassowski November 13, 2025, 10:32pm 2

Second JupyterLab 4.5.0 RC is out:

pip install --pre --upgrade jupyterlab==4.5.0rc1

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