gh-155515: Use GC track for HAMT iterators - #155517
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kumaraditya303 merged 1 commit intoAug 13, 2026
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Track the internal HAMT iterators, which back iteration over a contextvars.Context. A reference cycle running through such an iterator was never collected, leaking the whole context it iterated over.
kumaraditya303
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Aug 13, 2026
kumaraditya303
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needs backport to 3.13
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Thanks @nascheme for the PR, and @kumaraditya303 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14, 3.15. |
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GH-155697 is a backport of this pull request to the 3.15 branch. |
bedevere-app
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the
needs backport to 3.15
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Sorry, @nascheme and @kumaraditya303, I could not cleanly backport this to |
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GH-155698 is a backport of this pull request to the 3.14 branch. |
mbeijen
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Aug 14, 2026
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Track the internal HAMT iterators, which back iteration over a contextvars.Context. A reference cycle running through such an iterator was never collected, leaking the whole context it iterated over.