ci: stop testing 3.13t - #5865
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Tpt
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Mar 7, 2026
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Makes sense to me! Do you want to still allow builds? I can see arguments going both ways. |
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That's a good question, I'd suggest we drop support? I will update this pr if so. I realise I also forgot to remove 3.13t from the clippy runs... |
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(drop support meaning prevent builds, unless the version check is disabled by the env var) |
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I think it's fine to drop support. 3.14t has many safety fixes that couldn't be backported. It's also about 30% faster than 3.13t. |
ngoldbaum
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Mar 8, 2026
gaborbernat
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Jun 13, 2026
PyO3 0.29 dropped support for the free-threaded build of CPython below 3.14 (CPython declared free-threading supported starting with 3.14, see PyO3/pyo3#5865). Building against 3.13t now fails with "PyO3 does not support the free-threaded build of CPython versions below 3.14". Remove 3.13t from the wheel build and test matrices; regular 3.13 and free-threaded 3.14t/3.15t remain.
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Given that 3.13t was an experimental platform, 3.14t has been out for a while and is significantly better, I suspect nobody has reason to use 3.13t any more.
Let's lighten CI load a little.