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Commits on Aug 16, 2026
gh-154196: Improve `AttributeError` messages from unresolved lazy imports (#154688)
johnslavik
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125ca26
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gh-148817: Fold long lists/sets of constant elements into constant tuples/frozensets (#149016)
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Eclips4
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iritkatriel
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084230e
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gh-155888: Fix asyncio writelines() hanging on an empty chunk (#155889)
deadlovelll
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b2c2993
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gh-155717: use `spawn` as the default start method for read-only filesystems (#155827)
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picnixz
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gh-154002: Do not wrap a constructor TypeError in pickle._Unpickler (GH-154003)
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fedonman
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76ac2de
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gh-129382: Match venv API symlink defaults to the CLI (#155759)
zanieb
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70b2b0a
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gh-155504: Set the interpreter before fallible thread state initialization (#155590)
abdulm5
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94a75f7
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Commits on Aug 15, 2026
gh-155869: Fix data loss in dbm.dumb.reorganize() (GH-155872)
lkk7
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e3287f6
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gh-83869: tarfile: compute next header offset using pax size for sparse file (GH-18562)
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nitmir
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serhiy-storchaka
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1a52eae
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gh-155319: Fix the source line of a warning issued with module_globals (GH-155320)
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serhiy-storchaka
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c92e2fd
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gh-155519: fix data-race for Context.ctx_vars (#155522)
nascheme
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9ee248c
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gh-155400: Fix deadlock with type_lock_prevent_release() (#155401)
nascheme
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50fcb91
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gh-155143: Fix asyncio.shield() leaking tasks via await-graph (#155144)
pteromys
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fbd2e01
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gh-151377: Fix races updating type slots and subclasses (#155370)
nascheme
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07624ef
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Commits on Aug 14, 2026
gh-135736: call exception handler for all BaseExceptions in asyncio.TaskGroup (#154538)
sreehariannam
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a7b2e1f
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gh-139314: Add support for linking against `zlib-rs` and `libbzip2-rs` (#155119)
StanFromIreland
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5d91cf6
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gh-150449: Support negative steps in sqlite3.Blob slices (GH-150450)
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ever0de
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serhiy-storchaka
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c72ea53
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gh-111331: Allow closing BytesIO with exported buffers (GH-155383)
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serhiy-storchaka
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7385f48
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gh-155752: Do not crash when GenericAlias parameters change during substitution (#155761)
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dariushoule
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c0006fa
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gh-155702: Fix sqlite3.Blob slice assignment with a step (GH-155703)
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serhiy-storchaka
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b758ff4
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Commits on Aug 13, 2026
gh-154566: Fix array.byteswap() corrupting 'Zd' arrays with more than one element (#154567)
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PhysicistJohn
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vstinner
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46c355f
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gh-153400: Add syscall fallbacks for copy_file_range/memfd_create (#155520)
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daandemeyer
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6e079e5
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gh-155515: Use GC tracking for HAMT iterators (#155517)
nascheme
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f056212
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gh-154701: prevent executor self-links in JIT cold exits (GH-155323)
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cocolato
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blurb-it[bot]
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716cbae
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gh-153400: Use glibc functions instead of syscall() (#155518)
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vstinner
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1c9521f
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gh-75008: Detect the lineterminator in csv.Sniffer.sniff() (GH-155061)
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serhiy-storchaka
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3157786
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gh-155040: Support copy.replace() for tarfile.TarInfo (GH-155046)
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serhiy-storchaka
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claude
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e75ef6a
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gh-155033: Support copy.replace() for csv dialects (GH-155035)
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serhiy-storchaka
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claude
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gh-155044: Support copy.replace() for optparse.Values (GH-155050)
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serhiy-storchaka
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claude
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gh-64660: Do not hardcode the name of the returned variable (GH-155268)
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serhiy-storchaka
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99b8847
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gh-102967: Don't pass None to seek(), simply truncate from the current position (GH-102968)
aaron-fl
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7586115
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gh-109817: Add --single-process-per-case option to libregrtest (GH-151689)
Aniketsy
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296f016
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gh-113329: Catch OSError in doctest finder and document that inspect.getsourcefile/getfile can raise OSError (GH-113335)
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stenwessel
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025e7d2
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gh-88178: Fix exploded IPv6 addresses with a scope ID (GH-25824)
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3 people
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a2104b7
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gh-90756: Fix the ElementTree XML declaration for utf-8-sig (GH-31043)
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8420052
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