SymPY 1.9rc1 released

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Oscar Benjamin

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Sep 20, 2021, 6:06:00 PM9/20/21

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Hi all,

I've just put up SymPy 1.9rc1 which is the release candidate for SymPy 1.9. This is a pre-release intended for testing rather than production use.

You can find the release files on GitHub here:

https://github.com/sympy/sympy/releases/tag/sympy-1.9rc1

The release notes for 1.9 are here (although I still intend to edit them over the next week):

https://github.com/sympy/sympy/wiki/Release-Notes-for-1.9

The release is also uploaded to PyPI but as a prerelease will not be installed by default so you need to run pip with the --pre flag:

pip install --pre sympy

Please test the release and report any issues to GitHub (or here in the mailing list):

https://github.com/sympy/sympy/issues

The final version of SymPy 1.9 is expected to be released over the weekend (in 5 days time). Unless any issues are reported now no changes are expected from 1.9rc1 to 1.9.