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Remove support for Python 3.9 after its EOL#1437

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Carreau merged 1 commit intojupyter-server:mainfrom
lresende:remove-py-39
Feb 12, 2026
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Remove support for Python 3.9 after its EOL#1437
Carreau merged 1 commit intojupyter-server:mainfrom
lresende:remove-py-39

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@lresende lresende commented Feb 11, 2026

We have limited our pyzmq version to below 25 due to the requirements of the Jupyter client version 6. This restriction limits our support to Python 3.11, as Python 3.12 is only supported in pyzmq 25.1.1.

Co-authored-by: M Bussonnier bussonniermatthias@gmail.com

Closes #1436

@lresende lresende force-pushed the remove-py-39 branch 2 times, most recently from a70f574 to a21670f Compare February 11, 2026 22:26
We have limited our pyzmq version to below 25 due to
the requirements of the Jupyter client version 6.
This restriction limits our support to Python 3.11,
as Python 3.12 is only supported in pyzmq 25.1.1.

Co-authored-by: M Bussonnier <bussonniermatthias@gmail.com>
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lresende commented Feb 11, 2026

@Carreau, this seems to accomplish the removal of Python 3.9 as proposed in #1436.
I also added you as co-author as I was having issues modifying your pr.

@lresende lresende requested a review from Carreau February 11, 2026 22:47
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Carreau commented Feb 12, 2026

Works for me !

@Carreau Carreau merged commit d92dc07 into jupyter-server:main Feb 12, 2026
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@lresende lresende deleted the remove-py-39 branch February 12, 2026 05:17
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2 participants