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update python 3.13 blog #2425

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14 changes: 6 additions & 8 deletions blog/2024-09-26-python-313.md
Original file line number Diff line number Diff line change
Expand Up @@ -4,33 +4,31 @@ authors:
tags: [infrastructure]
---

# Python 3.13 Release candidate builds on conda-forge
# Python 3.13 builds on conda-forge

conda-forge now supports Python 3.13 release candidates on conda.
conda-forge now supports Python 3.13 on conda.
You can create a new environment with Python 3.13 by running the
command:

conda create -n py313 python=3.13 -c conda-forge/label/python_rc -c conda-forge
conda create -n py313 python=3.13 -c conda-forge

<!-- truncate -->

This will create a new environment with Python 3.13 with the global
interpreter lock (GIL) enabled. A migration is underway that builds
Python extensions like those included in `numpy` and `scipy` as conda packages. The migration
is [55% complete](/status/migration/?name=python313) at the time of writing. Once the first final release of
`python` 3.13 is available the `python_rc` label will not be needed
anymore.
is [55% complete](/status/migration/?name=python313) at the time of writing.

New in this Python release is the `python-freethreading` build which
removes the GIL and enables free threading. To install a `freethreading`
build, you can do:

conda create -n py313 python=3.13 python-freethreading -c conda-forge/label/python_rc -c conda-forge
conda create -n py313 python=3.13 python-freethreading -c conda-forge

Analogous to this package we also have a metapackage to explicitly
install the GIL variant:

conda create -n py313 python=3.13 python-gil -c conda-forge/label/python_rc -c conda-forge
conda create -n py313 python=3.13 python-gil -c conda-forge

Note that there are no conda packages for freethreading Python extensions yet and
we hope to start a migration for freethreading extensions in the
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