JupyterHub 0.9

Min RK
Jupyter Blog
Published in
1 min readJun 18, 2018

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We are pleased to announce the latest release of JupyterHub. JupyterHub is the multi-user server for Jupyter notebooks, allowing students or researchers to have their own workspace. This release has lots of improvements, especially for stability and performance with large numbers of users.

The biggest change is probably the adoption of asyncio coroutines throughout instead of tornado coroutines and improved support for asyncio coroutines in general, adopting async def coroutine syntax. This means that JupyterHub 0.9 requires Python ≥ 3.5 and tornado ≥ 5.0.

There are lots of improvements to the REST API, including more detailed time information and token management.

There are also several improvements to the ability to customize JupyterHub’s HTML templates.

See the changelog for a more detailed list of changes.

Make sure to backup your jupyterhub database prior to upgrade, and then upgrade with pip:

python3 -m pip install --upgrade 'jupyterhub==0.9.*'

or conda:

conda install -c conda-forge jupyterhub=0.9

For Kubernetes users, we will have an 0.7 release of the helm chart before too long.

Thanks to everyone who has contributed to JupyterHub!

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