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1. Commits on Oct 10, 2026

   • gh-133998: Fix tarfile error on out-of-range mtime in streaming gzip mode (#151828)

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     harjothkhara

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     vstinner

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   • gh-159137: Skip redundant GC resurrection analysis (#159138)

     pablogsal

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   • gh-141276: Avoid compiling zipimport source in get_filename (#153799)

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     harjothkhara

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   • gh-158929: Fix subinterpreter thread safety issues in `syslog` (GH-159000)

     ZeroIntensity

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     224b4b0View commit details

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2. Commits on Oct 9, 2026

   • gh-129040: Use wasm-gc to handle pointer casts in wasi (GH-158617)

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     hoodmane

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   • gh-87720 Fix additional header refolding-quoting edge case (#134271)

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     bitdancer

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   • gh-158918: Reduce C stack usage of `_PyModule_IsPossiblyShadowing`. (GH-158919)

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     Yhg1s

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   • gh-158820: Add null checks to avoid segfaults with lazy imports at shutdown (GH-158821)

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     brittanyrey

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   • gh-158683: Fix missing source files for _zstd in Modules/Setup (GH-158672)

     maxyz

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3. Commits on Oct 8, 2026

   • gh-158803: Fix crash in bytes.join() on a concurrently mutated list (#158910)

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     christianaurichzm

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   • gh-158824: Fix `__getattr__` blocking reification of lazy imports (GH-158825)

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     brittanyrey

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   • gh-150751: validate http.client Content-Length and chunk-size (GH-150752)

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     metsw24-max

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   • gh-158886: Add INCREF/DECREF macros to stable_abi.toml (GH-158941)

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     vstinner

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     encukou

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4. Commits on Oct 7, 2026

   • gh-158592: Skip reallocation when shrinking a small list (gh-158787)

     corona10

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   • gh-158592: Reallocate the list's array when deleting by index (gh-158602)

     x42005e1f

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   • gh-157176: Move blurb for gh-157176 to correct section (#158983)

     StanFromIreland

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   • gh-157364: Fix use-after-free in io.TextIOWrapper during reentrant detach (#157370)

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     ashm-dev

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     vstinner

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   • gh-136872: Build pymalloc in sanitizer builds, but disable it by default (GH-157934)

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     vasiliyk

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   • gh-157176: Make time.struct_time type immutable (#157179)

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     ashm-dev

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     vstinner

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   • gh-158897: Optimize io.BufferedReader.readline() by calling memchr() (#158944)

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     vstinner

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   • gh-158790: Improve performance for list.insert() and del list[i] free-threaded builds (gh-158791)

     hetaozdh

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   • gh-149044: Avoid C++ warnings in PySlot_END macro (GH-158866)

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     vstinner

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   • gh-153354: Fix bool conversion in generated __annotate__ (#153360)

     BHUVANSH855

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   • gh-158936: Resolve lazy imports consistently for dataclass annotations (#158939)

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     brittanyrey

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5. Commits on Oct 6, 2026

   • gh-158893: Make os.strerror() thread-safe (#158927)

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     vstinner

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   • gh-158842: Add Py_SETREF() and Py_XSETREF() to the limited C API (#158843)

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     vstinner

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   • gh-156049: Add support for building with HWAsan (#156721)

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   • gh-157789: Use compiler option ``-Og`` in case of clang-cl debug builds (#157791)

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     chris-eibl

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6. Commits on Oct 5, 2026

   • GH-158878: Stop creating `Modules/Setup.local` as part of building for WASI (GH-158879)

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     brettcannon

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   • gh-156545, gh-158539: Fix deep flamegraph export on small C stacks and macOS runtime lookup (#158874)

     pablogsal

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   • gh-154062: Stop normalizing differential flamegraph duration (#154082)

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     pablogsal

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   • gh-158522: Fix truncated stack for a task whose coroutine recurses (#158526)

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     Timofei Ivankov

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     maurycy

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   • gh-158486: Fix PowerSort mask calculation for very large lists (#158487)

     neelsomani

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   • gh-158539: Fix exception mode missing handlers in generators/coroutines (#158581)

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     hetaozdh

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     pablogsal

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   • gh-79459 tempfile: Raise a ValueError if the prefix or suffix contains a directory (#150477)

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