cattrs
Composable complex class support for attrs and dataclasses.
26.1.0
74M downloads/mo
#455 most downloaded on PyPI
python-attrs/cattrs
What this package is like to depend on
Last release 6 months ago
18 Feb 2026
Release timing varies
gaps range from 2 weeks to 9 months
No release notes found
nothing matched a version
4 versions withdrawn
withdrawn after publishing
9 years old
42 releases · first in 2017
3 releases in the last 12 months
see the full history below
Release timeline
42 releases · Dec 2017 to Feb 2026Releases
latest 42-
26.1.018 Feb 2026Nothing published for this version
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25.3.007 Oct 2025Nothing published for this version
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25.2.031 Aug 2025Nothing published for this version
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25.1.104 Jun 2025Nothing published for this version
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25.1.031 May 2025Nothing published for this version
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24.1.325 Mar 2025Nothing published for this version
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24.1.222 Sep 2024Nothing published for this version
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24.1.111 Sep 2024Nothing published for this version
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24.1.028 Aug 2024Nothing published for this version
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23.2.330 Nov 2023Nothing published for this version
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23.2.221 Nov 2023Nothing published for this version
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23.2.118 Nov 2023Nothing published for this version
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23.2.017 Nov 2023 withdrawnAn import bug on 3.11
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23.1.202 Jun 2023Nothing published for this version
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23.1.130 May 2023Nothing published for this version
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23.1.030 May 2023 withdrawnMissing dependency (typing_extensions) on Python 3.10
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23.1.0rc025 May 2023 pre-releaseNothing published for this version
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22.2.003 Oct 2022Nothing published for this version
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22.1.003 Apr 2022Nothing published for this version
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1.10.003 Jan 2022Nothing published for this version
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1.9.006 Dec 2021Nothing published for this version
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1.8.012 Aug 2021Nothing published for this version
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1.7.128 May 2021Nothing published for this version
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1.7.026 May 2021Nothing published for this version
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1.6.028 Apr 2021 withdrawnWrong dependency metadata
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1.5.015 Apr 2021Nothing published for this version
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1.4.021 Mar 2021Nothing published for this version
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1.3.025 Feb 2021Nothing published for this version
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1.2.030 Jan 2021Nothing published for this version
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1.1.229 Nov 2020Nothing published for this version
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1.1.130 Oct 2020Nothing published for this version
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1.1.029 Oct 2020 withdrawn1.1.1 is the same release but with more correct metadata
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1.0.003 Jan 2020Nothing published for this version
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1.0.0rc012 Nov 2018 pre-releaseNothing published for this version
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0.9.220 Apr 2020Nothing published for this version
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0.9.022 Jul 2018Nothing published for this version
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0.8.118 Jun 2018Nothing published for this version
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0.8.014 Apr 2018Nothing published for this version
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0.8.0.dev014 Apr 2018 pre-releaseNothing published for this version
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0.7.012 Apr 2018Nothing published for this version
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0.6.025 Dec 2017Nothing published for this version
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0.5.011 Dec 2017Nothing published for this version