chore(python): drop Python 3.9, add 3.14 - #3109
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Simon Knott (Skn0tt) merged 2 commits intoJun 12, 2026
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Use an object sentinel for the Network.responseReceived leak marker so CPython interned-string dictionaries exposed on Python 3.14 do not look like leaked events. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Simon Knott (Skn0tt)
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Dmitry Gozman (dgozman)
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Jun 12, 2026
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This PR drops Python 3.9 support now that it's EOL.
It raises the package and tooling floor to Python 3.10, swaps the full CI matrix from 3.9/3.10 to 3.10/3.14, and removes the old Python 3.9-only Windows path workaround.