Issues

Fix "truthy"/"falsy" in documentation

python/cpython#161077 · opened

on Nov 1, 2026

asyncio: a failure in setsockopt(TCP_NODELAY) during transport creation leaves a zombie transport, so the fd is poisoned and Server.wait_closed() hangs

python/cpython#161076 · opened

on Nov 1, 2026

Optimize `long_bitwise`: eliminate temporary allocations for negative ints and fast-path non-negative ops

python/cpython#161075 · opened

on Nov 1, 2026

Windows: debug allocator failure during audit-hook cleanup

python/cpython#161074 · opened

on Nov 1, 2026

sqlite3: deadlock when threads share a connection that has Python callbacks

python/cpython#161065 · opened

on Nov 1, 2026

Crash on concurrent first read of Element.text or Element.tail on the free-threaded build

python/cpython#161062 · opened

on Nov 1, 2026

`xml.parsers.expat` crashes when `DefaultHandler` raises on a long non-UTF-8 token

python/cpython#161060 · opened

on Nov 1, 2026

`TextIOWrapper.tell()` returns a wrong position after `next()` and `flush()`

python/cpython#161055 · opened

on Nov 1, 2026

1

`TextIOWrapper.tell()` reads past the decoder snapshot after `seek()`

python/cpython#161053 · opened

on Nov 1, 2026

`tarfile` writes a member's old pax records after its name or other attributes are changed

python/cpython#161045 · opened

on Oct 31, 2026

pyrepl.pager: less detection is broken with less >= 706

python/cpython#161039 · opened

on Oct 31, 2026

asyncio: compute the event loop's clock resolution once, in `asyncio.constants`

python/cpython#161032 · opened

on Oct 31, 2026

winreg.ExpandEnvironmentStrings() passes the buffer size as the error code on failure

python/cpython#161021 · opened

on Oct 31, 2026

Heatmap replay shows zero duration and sample rate

python/cpython#161008 · opened

on Oct 31, 2026

Glossary doesn't have an entry for "virtual subclass"

python/cpython#161007 · opened

on Oct 31, 2026

2

Improve styling of repl blocks in `pydoc`'s HTML output

python/cpython#160998 · opened

on Oct 31, 2026

Speed up tarfile.calc_chksums()

python/cpython#160991 · opened

on Oct 31, 2026

7

test_popping_python_frame_is_not_native fails randomly on buildbots

python/cpython#160986 · opened

on Oct 30, 2026

ctypes array cache can return distinct types when types are created concurrently

python/cpython#160978 · opened

on Oct 30, 2026

profiling.sampling (Tachyon) gecko output: Only source file basename is shown

python/cpython#160976 · opened

on Oct 30, 2026

1

asyncio: SSL transport raises AttributeError after close() in connection_lost()

python/cpython#160964 · opened

on Oct 30, 2026

1

Null dereferencing of a pointer in initconfig.c

python/cpython#160962 · opened

on Oct 30, 2026

4

annotationlib.ForwardRef.evaluate() ignores explicit globals/locals when the reference holds a closure cell

python/cpython#160948 · opened

on Oct 30, 2026

4

_pydecimal loses companion signal flags when a signal is trapped

python/cpython#160945 · opened

on Oct 30, 2026

logging: Logger.setLevel() and logging.disable() are O(number of loggers)

python/cpython#160936 · opened

on Oct 30, 2026

1

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Issues

Fix "truthy"/"falsy" in documentation

asyncio: a failure in setsockopt(TCP_NODELAY) during transport creation leaves a zombie transport, so the fd is poisoned and Server.wait_closed() hangs

Optimize `long_bitwise`: eliminate temporary allocations for negative ints and fast-path non-negative ops

Windows: debug allocator failure during audit-hook cleanup

sqlite3: deadlock when threads share a connection that has Python callbacks

Crash on concurrent first read of Element.text or Element.tail on the free-threaded build

`xml.parsers.expat` crashes when `DefaultHandler` raises on a long non-UTF-8 token

`TextIOWrapper.tell()` returns a wrong position after `next()` and `flush()`

`TextIOWrapper.tell()` reads past the decoder snapshot after `seek()`

`tarfile` writes a member's old pax records after its name or other attributes are changed

pyrepl.pager: less detection is broken with less >= 706

asyncio: compute the event loop's clock resolution once, in `asyncio.constants`

winreg.ExpandEnvironmentStrings() passes the buffer size as the error code on failure

Heatmap replay shows zero duration and sample rate

Glossary doesn't have an entry for "virtual subclass"

Improve styling of repl blocks in `pydoc`'s HTML output

Speed up tarfile.calc_chksums()

test_popping_python_frame_is_not_native fails randomly on buildbots

ctypes array cache can return distinct types when types are created concurrently

profiling.sampling (Tachyon) gecko output: Only source file basename is shown

asyncio: SSL transport raises AttributeError after close() in connection_lost()

Null dereferencing of a pointer in initconfig.c

annotationlib.ForwardRef.evaluate() ignores explicit globals/locals when the reference holds a closure cell

_pydecimal loses companion signal flags when a signal is trapped

logging: Logger.setLevel() and logging.disable() are O(number of loggers)