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1. Commits on Oct 1, 2026

   • Promote retained GC objects and batch generation updates (#8930)

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     1ndahous3

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   • Add a native _zoneinfo module (#8915)

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     youknowone

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2. Commits on Sep 30, 2026

   • zlib: clear unconsumed_tail when a bounded decompress reaches stream end (#8908)

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     JMLX42

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   • Preserve list mutation progress and release removed items outside locks (#8894)

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     1ndahous3

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   • Bound AST nesting so deep source raises instead of crashing (#8827)

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     sigmaith

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3. Commits on Sep 29, 2026

   • Update concurrent.futures for Python 3.14 (#8904)

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     1ndahous3

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   • Cache parsed struct formats per interpreter (#8903)

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     1ndahous3

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   • fix(gc): traverse annotate name and qualname fields in PyFunction (#8839)

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     kairosci

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   • Add native _datetime module (#8872)

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     1ndahous3

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4. Commits on Sep 28, 2026

   • Compact sparse dictionary and set copies (#8879)

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     1ndahous3

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   • Choose smaller difference scans and install completed intersections (#8881)

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     1ndahous3

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   • Preallocate binary joins and preserve buffer lifetimes (#8880)

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     1ndahous3

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   • Reuse unchanged strings and fix mixed-representation stripping (#8878)

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     1ndahous3

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   • Fix percent-format precision and integer conversion (#8876)

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     1ndahous3

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   • Release deque items outside locks during clear and assignment (#8875)

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     1ndahous3

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   • Preallocate dictionary storage in dict.fromkeys (#8874)

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     1ndahous3

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   • Floor and ceil exact floats directly in math.floor/math.ceil (#8834)

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     1ndahous3

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   • Specialize module attribute loads (#8864)

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     1ndahous3

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   • fix(core): align hashability of dict views, namespace, and typing builtins (#8844)

     kairosci

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5. Commits on Sep 27, 2026

   • Fix array search equality and reentrant callbacks (#8870)

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     1ndahous3

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   • Avoid redundant work in set difference operations (#8869)

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     1ndahous3

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   • Match common encoding names before normalizing them (#8862)

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     1ndahous3

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   • Fix recursive sequence repetition fallback (#8865)

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     1ndahous3

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   • Look up attributes without raising before calling __getattr__ (#8863)

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     1ndahous3

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   • fix(contextvars): isolate context stack per interpreter and thread on VirtualMachine (#8838)

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     kairosci

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   • Reuse stored hashes for frozenset hashing and in-place set union (#8859)

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     1ndahous3

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   • Reuse stored hashes when merging dictionaries (#8858)

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     1ndahous3

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   • Collect cycles through deque iterators and cmp_to_key wrappers (#8861)

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     1ndahous3

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   • fix(csv): quote non-numeric objects in writer QUOTE_NONNUMERIC mode (#8843)

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     kairosci

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   • Stream deque inputs and release evicted items outside locks (#8860)

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     1ndahous3

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   • Read live list elements during repr without copying the list (#8853)

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     1ndahous3

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   • Reuse set hashes and fix stored key comparison order (#8852)

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     1ndahous3

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   • Collect functools cycles and release replaced state outside locks (#8851)

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     1ndahous3

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   • Fix dict view comparisons and avoid temporary sets (#8849)

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     1ndahous3

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   • Raise `MemoryError` on impossible allocations and reuse list/tuple buffers (#8840)

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     youknowone

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