184 Pull requests merged by 51 people

• Fix a minor indentation error

  #136661 merged Jul 15, 2025

• gh-116738: Make grp module thread-safe

  #135434 merged Jul 14, 2025

• gh-136396: Include instrumentation when creating new copies of the bytecode

  #136525 merged Jul 14, 2025

• GH-135904: Improve the JIT's performance on macOS

  #136528 merged Jul 14, 2025

• [3.13] gh-130664: support '_' (just as ',') in Decimal's formatting (GH-132155)

  #136649 merged Jul 14, 2025

• gh-90733: improve hashlib.scrypt interface

  #136100 merged Jul 14, 2025

• gh-134567: Move unittest What’s New entry

  #136630 merged Jul 14, 2025

• [3.13] Partially revert "gh-101100: Fix sphinx warnings in library/email.parser.rst (GH-136475)" (GH-136629)

  #136647 merged Jul 14, 2025

• [3.14] Partially revert "gh-101100: Fix sphinx warnings in library/email.parser.rst (GH-136475)" (GH-136629)

  #136646 merged Jul 14, 2025

• [3.13] gh-127971: fix off-by-one read beyond the end of a string during search (#132574)

  #136648 merged Jul 14, 2025

• Partially revert "gh-101100: Fix sphinx warnings in library/email.parser.rst (#136475)"

  #136629 merged Jul 14, 2025

• [3.13] gh-109700: fix memory error handling in PyDict_SetDefault (#136338)

  #136642 merged Jul 14, 2025

• gh-67341: fix comment about windows link stat mapping

  #136049 merged Jul 14, 2025

• [3.14] gh-127146: Emscripten: Fix test_open_undecodable_uri by setting -sTEXTDECODER=2 (GH-136624)

  #136631 merged Jul 14, 2025

• [3.14] gh-135256: Simplify parsing parameters in Argument Clinic (GH-135257)

  #136635 merged Jul 13, 2025

• gh-135256: Simplify parsing parameters in Argument Clinic

  #135257 merged Jul 13, 2025

• gh-127146: Emscripten: Fix test_open_undecodable_uri by setting -sTEXTDECODER=2

  #136624 merged Jul 13, 2025

• gh-121914: Change the names of the symbol tables for lambda and genexpr

  #135288 merged Jul 13, 2025

• [3.14] gh-127971: fix off-by-one read beyond the end of a string during search (GH-132574)

  #136628 merged Jul 13, 2025

• gh-127971: fix off-by-one read beyond the end of a string during search

  #132574 merged Jul 13, 2025

• [3.13] gh-42237: Link to complete list of codec aliases (GH-136625)

  #136627 merged Jul 13, 2025

• [3.14] gh-42237: Link to complete list of codec aliases (GH-136625)

  #136626 merged Jul 13, 2025

• gh-42237: Link to complete list of codec aliases

  #136625 merged Jul 13, 2025

• gh-132629: Deprecate acception out of range values for unsigned integers in PyArg_Parse

  #132630 merged Jul 13, 2025

• [3.13] gh-132346: Docs: Clarify that reference counts aren't stable between versions (GH-132352)

  #136614 merged Jul 13, 2025

• [3.14] gh-132346: Docs: Clarify that reference counts aren't stable between versions (GH-132352)

  #136613 merged Jul 13, 2025

• gh-132346: Docs: Clarify that reference counts aren't stable between versions

  #132352 merged Jul 13, 2025

• gh-136547: allow to temporarily disable hash algorithms in tests

  #136570 merged Jul 13, 2025

• [3.14] gh-134833: improve docs for del s[i:j] in Mutable Sequence Types (GH-134834)

  #136608 merged Jul 13, 2025

• [3.14] Docs: Fix and improve the PyUnstable_Object_EnableDeferredRefcount documentation (GH-135323)

  #136610 merged Jul 13, 2025

• Docs: Fix and improve the PyUnstable_Object_EnableDeferredRefcount documentation

  #135323 merged Jul 13, 2025

• [3.13] gh-136523: Fix wave.Wave_write emitting an unraisable when open raises (GH-136529)

  #136607 merged Jul 13, 2025

• [3.13] gh-134833: improve docs for del s[i:j] in Mutable Sequence Types (GH-134834)

  #136609 merged Jul 13, 2025

• gh-134833: Detail del s[i:j] in Mutable Sequence Types

  #134834 merged Jul 13, 2025

• gh-132969: ACKS file update was missed in gh-133222

  #136144 merged Jul 13, 2025

• gh-136523: fix wave.Wave_write emitting an unraisable when open raises

  #136529 merged Jul 13, 2025

• [3.14] gh-134939: Correct concurrent.interpreters source code link (GH-136564)

  #136605 merged Jul 13, 2025

• gh-134939: Correct concurrent.interpreters source code link

  #136564 merged Jul 13, 2025

• [3.13] gh-101100: Fix sphinx warnings in Doc/library/platform.rst (GH-136562)

  #136598 merged Jul 12, 2025

• [3.14] gh-101100: Fix sphinx warnings in Doc/library/platform.rst (GH-136562)

  #136597 merged Jul 12, 2025

• gh-101100: Fix sphinx warnings in Doc/library/platform.rst

  #136562 merged Jul 12, 2025

• gh-136591: avoid using deprecated features for OpenSSL 3.0+

  #136592 merged Jul 12, 2025

• [3.14] gh-136549: Fix signature of threading.excepthook() (GH-136559)

  #136589 merged Jul 12, 2025

• [3.13] gh-136549: Fix signature of threading.excepthook() (GH-136559)

  #136590 merged Jul 12, 2025

• gh-136549: Fix signature of threading.excepthook()

  #136559 merged Jul 12, 2025

• [3.14] gh-91153: prevent a crash in bytearray.__setitem__(ind, ...) when ind.__index__ has side-effects (GH-132379)

  #136581 merged Jul 12, 2025

• [3.13] gh-91153: prevent a crash in bytearray.__setitem__(ind, ...) when ind.__index__ has side-effects (GH-132379)

  #136582 merged Jul 12, 2025

• [3.14] gh-134759: fix UnboundLocalError in email.message.Message.get_payload (GH-136071)

  #136579 merged Jul 12, 2025

• [3.13] gh-134759: fix UnboundLocalError in email.message.Message.get_payload (GH-136071)

  #136580 merged Jul 12, 2025

• gh-91153: Fix bytearray holding a reference to its internal buffer when calling into potentially mutating __index__ methods

  #132379 merged Jul 12, 2025

• gh-134759: UnboundLocalError in email.message.Message.get_payload

  #136071 merged Jul 12, 2025

• gh-99813: Start using SSL_sendfile when available

  #99907 merged Jul 12, 2025

• [3.14] gh-89083: Add CLI tests for UUIDv{6,7,8} (GH-136548)

  #136576 merged Jul 12, 2025

• gh-99631: Add custom loads and dumps support for the shelve module

  #118065 merged Jul 12, 2025

• [3.9] gh-135661: Fix parsing start and end tags in HTMLParser according to the HTML5 standard (GH-135930) (GH-136268)

  #136293 merged Jul 12, 2025

• [3.10] gh-135661: Fix parsing start and end tags in HTMLParser according to the HTML5 standard (GH-135930) (GH-136268)

  #136292 merged Jul 12, 2025

• [3.11] gh-135661: Fix parsing start and end tags in HTMLParser according to the HTML5 standard (GH-135930) (GH-136268)

  #136291 merged Jul 12, 2025

• [3.12] gh-102555: Fix comment parsing in HTMLParser according to the HTML5 standard (GH-135664)

  #136273 merged Jul 12, 2025

• [3.11] gh-102555: Fix comment parsing in HTMLParser according to the HTML5 standard (GH-135664)

  #136274 merged Jul 12, 2025

• [3.10] gh-102555: Fix comment parsing in HTMLParser according to the HTML5 standard (GH-135664)

  #136275 merged Jul 12, 2025

• [3.9] gh-102555: Fix comment parsing in HTMLParser according to the HTML5 standard (GH-135664)

  #136276 merged Jul 12, 2025

• gh-89083: Add CLI tests for UUIDv{6,7,8}

  #136548 merged Jul 12, 2025

• gh-135853: add math.fmax and math.fmin

  #135888 merged Jul 12, 2025

• gh-136565: Improve and amend hashlib.__doc__

  #136566 merged Jul 12, 2025

• gh-111506: Add _Py_OPAQUE_PYOBJECT to hide PyObject layout & related API

  #136505 merged Jul 12, 2025

• gh-135401: Test AWS-LC as a cryptography library in CI

  #135402 merged Jul 11, 2025

• Minor edit: Improve comment readability and ordering

  #136557 merged Jul 11, 2025

• Doc: More duplicate word fix

  #136299 merged Jul 11, 2025

• [3.13] gh-101100: Fix sphinx warnings in Doc/library/functools.rst (GH-136424)

  #136554 merged Jul 11, 2025

• [3.14] gh-101100: Fix sphinx warnings in Doc/library/functools.rst (GH-136424)

  #136552 merged Jul 11, 2025

• [3.13] gh-130160: use .. program:: directive for documenting venv CLI (GH-130699)

  #136551 merged Jul 11, 2025

• gh-101100: Fix sphinx warnings in Doc/library/functools.rst

  #136424 merged Jul 11, 2025

• [3.14] gh-130160: use .. program:: directive for documenting venv CLI (GH-130699)

  #136550 merged Jul 11, 2025

• [3.14] gh-130478: fix HACL* build for macOS Silicon (GH-134188)

  #135009 merged Jul 11, 2025

• gh-135906: Test the internal C API in test_cext

  #136247 merged Jul 11, 2025

• gh-136156: Remove tempfile test_link_tmpfile()

  #136534 merged Jul 11, 2025

• [3.14] gh-136517: Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set (GH-136518)

  #136522 merged Jul 11, 2025

• [3.14] gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500)

  #136544 merged Jul 11, 2025

• [3.13] gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500)

  #136545 merged Jul 11, 2025

• gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64

  #136500 merged Jul 11, 2025

• gh-136300: Modify C tests to conform to PEP-737

  #136301 merged Jul 11, 2025

• [3.14] gh-136434: Fix docs generation of UnboundItem in subinterpreters (GH-136435)

  #136540 merged Jul 11, 2025

• gh-136434: Fix docs generation of UnboundItem in subinterpreters

  #136435 merged Jul 11, 2025

• [3.13] gh-76637: Note that undefined Codec is for testing (GH-136531)

  #136537 merged Jul 11, 2025

• [3.14] gh-76637: Note that undefined Codec is for testing (GH-136531)

  #136536 merged Jul 11, 2025

• gh-76637: Note that undefined Codec is for testing

  #136531 merged Jul 11, 2025

• [3.13] gh-101100: Fix sphinx warnings in library/email.parser.rst (GH-136475)

  #136533 merged Jul 11, 2025

• [3.14] gh-101100: Fix sphinx warnings in library/email.parser.rst (GH-136475)

  #136532 merged Jul 11, 2025

• gh-101100: Fix sphinx warnings in library/email.parser.rst

  #136475 merged Jul 11, 2025

• gh-107538: [Enum] fix handling of inverted/negative values

  #132273 merged Jul 10, 2025

• Omit Python/perf_jit_trampoline.c from the **/*jit* CODEOWNERS rule

  #136519 merged Jul 10, 2025

• gh-136517: Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set

  #136518 merged Jul 10, 2025

• gh-135953: Implement sampling tool under profile.sample

  #135998 merged Jul 10, 2025

• [3.14] gh-52876: Implement missing parameter in codecs.StreamReaderWriter functions (GH-136498)

  #136514 merged Jul 10, 2025

• [3.13] gh-52876: Implement missing parameter in codecs.StreamReaderWriter functions (GH-136498)

  #136515 merged Jul 10, 2025

• gh-52876: Implement missing parameter in codecs.StreamReaderWriter functions

  #136498 merged Jul 10, 2025

• [3.14] gh-82663: Clarify codecs.iterdecode/encode docs (GH-136497)

  #136513 merged Jul 10, 2025

• [3.13] gh-82663: Clarify codecs.iterdecode/encode docs (GH-136497)

  #136512 merged Jul 10, 2025

• gh-82663: Clarify codecs.iterdecode/encode docs

  #136497 merged Jul 10, 2025

• [3.14] gh-132661: Add default value (of "") for Interpolation.expression (GH-136441)

  #136511 merged Jul 10, 2025

• gh-132661: Add default value (of "") for Interpolation.expression

  #136441 merged Jul 10, 2025

• [3.14] gh-136394: Fix race condition in test_zstd (GH-136432)

  #136506 merged Jul 10, 2025

• [3.13] gh-136209: Add .. c:var:: declarations for C exception types (GH-136210)

  #136503 merged Jul 10, 2025

• [3.14] gh-136209: Add .. c:var:: declarations for C exception types (GH-136210)

  #136504 merged Jul 10, 2025

• gh-136394: Fix race condition in test_zstd

  #136432 merged Jul 10, 2025

• [3.13] gh-136438: Make sure test_builtins pass with all optimization levels (GH-136474)

  #136502 merged Jul 10, 2025

• gh-82088: Improve performance of PyLong_As*() for multi-digit ints

  #135585 merged Jul 10, 2025

• gh-136209: Add .. c:var:: declarations for C exception types

  #136210 merged Jul 10, 2025

• [3.12] gh-128605: Add branch protections for x86_64 in asm_trampolineS (#128606)

  #135094 merged Jul 10, 2025

• [3.14] gh-136438: Make sure test_builtins pass with all optimization levels (GH-136474)

  #136496 merged Jul 10, 2025

• gh-136438: Make sure test_builtins pass with all optimization levels

  #136474 merged Jul 10, 2025

• [3.14] gh-136476: Remove creation of unused list (GH-136494)

  #136495 merged Jul 10, 2025

• gh-136476: Remove creation of unused list

  #136494 merged Jul 10, 2025

• [3.14] gh-135846: Add zstd dependency to Android build script (GH-136253)

  #136491 merged Jul 10, 2025

• [3.14] gh-136476: Show the full stack in get_async_stack_trace in _remote_debugging (GH-136483)

  #136490 merged Jul 9, 2025

• gh-135846: Add zstd dependency to Android build script

  #136253 merged Jul 9, 2025

• [3.13] gh-102740: Clarify time.monotonic() "system-wide" in the doc (GH-136431)

  #136489 merged Jul 9, 2025

• [3.14] gh-102740: Clarify time.monotonic() "system-wide" in the doc (GH-136431)

  #136488 merged Jul 9, 2025

• gh-136476: Show the full stack in get_async_stack_trace in _remote_debugging

  #136483 merged Jul 9, 2025

• gh-102740: Clarify time.monotonic() "system-wide" in the doc

  #136431 merged Jul 9, 2025

• gh-136156: Skip test_tempfile.test_link_tmpfile() on Android

  #136430 merged Jul 9, 2025

• [3.13] gh-136145: Define 'standard library' and 'stdlib' in the glossary (GH-136146)

  #136486 merged Jul 9, 2025

• [3.14] gh-136145: Define 'standard library' and 'stdlib' in the glossary (GH-136146)

  #136485 merged Jul 9, 2025

• gh-136145: Define 'standard library' and 'stdlib' in the glossary

  #136146 merged Jul 9, 2025

• Add Diego as code owner of the JIT

  #136460 merged Jul 9, 2025

• GH-115802: Optimize JIT stencils for size

  #136393 merged Jul 9, 2025

• Minor edit: Move comments closer to the code they describe

  #136477 merged Jul 9, 2025

• [3.13] gh-81520: Document unexpected os.path.ismount behaviour with btrfs subvolumes (GH-136058)

  #136473 merged Jul 9, 2025

• [3.14] gh-81520: Document unexpected os.path.ismount behaviour with btrfs subvolumes (GH-136058)

  #136471 merged Jul 9, 2025

• gh-81520: Add documentatoion about unexpected os.path.ismount() behaviour

  #136058 merged Jul 9, 2025

• [3.13] gh-131825: Fix sqlite3 timezone-naive adapter recipe (GH-136270)

  #136468 merged Jul 9, 2025

• [3.14] gh-131825: Fix sqlite3 timezone-naive adapter recipe (GH-136270)

  #136467 merged Jul 9, 2025

• gh-131825: Fixed sqlite timezone-naive adapter recipe

  #136270 merged Jul 9, 2025

• [3.13] Docs: unittest.enterModuleContext is not a classmethod (GH-136464)

  #136466 merged Jul 9, 2025

• [3.14] Docs: unittest.enterModuleContext is not a classmethod (GH-136464)

  #136465 merged Jul 9, 2025

• Docs: unittest.enterModuleContext is not a classmethod

  #136464 merged Jul 9, 2025

• [3.14] gh-136447: Use self.loop instead of global loop variable in asyncio REPL (GH-136448)

  #136458 merged Jul 9, 2025

• [3.13] gh-136447: Use self.loop instead of global loop variable in asyncio REPL (GH-136448)

  #136457 merged Jul 9, 2025

• gh-136447: Use self.loop instead of global loop variable in asyncio REPL

  #136448 merged Jul 9, 2025

• [3.13] gh-136162: Clean up encodings package documentation

  #136456 merged Jul 9, 2025

• [3.14] gh-134657: Remove newly added private names from asyncio.__all__ (GH-134665)

  #136455 merged Jul 9, 2025

• [3.14] gh-136162: Document encodings package functions (GH-136164)

  #136454 merged Jul 9, 2025

• [3.13] gh-136162: Document encodings package functions (GH-136164)

  #136453 merged Jul 9, 2025

• [3.14] gh-53243: Document codecs.readbuffer_encode() (GH-136284)

  #136452 merged Jul 9, 2025

• [3.13] gh-53243: Document codecs.readbuffer_encode() (GH-136284)

  #136451 merged Jul 9, 2025

• [3.14] gh-94503: Update logging cookbook example with info on addressing log injection. (GH-136446)

  #136449 merged Jul 9, 2025

• [3.13] gh-94503: Update logging cookbook example with info on addressing log injection. (GH-136446)

  #136450 merged Jul 9, 2025

• gh-134657: Remove newly added private names from asyncio.__all__

  #134665 merged Jul 9, 2025

• gh-53243: Document codecs.readbuffer_encode()

  #136284 merged Jul 9, 2025

• gh-94503: Update logging cookbook example.

  #136446 merged Jul 9, 2025

• gh-119109: improve functools.partial vectorcall with keywords

  #124584 merged Jul 9, 2025

• [3.14] gh-136229: Remove Platform Emscripten is not supported warning (GH-136230)

  #136445 merged Jul 9, 2025

• gh-136229: Remove Platform Emscripten is not supported warning

  #136230 merged Jul 9, 2025

• [3.14] gh-91048: Revert the memory cache removal for remote debugging (GH-136440)

  #136443 merged Jul 9, 2025

• gh-91048: Revert the memory cache removal for remote debugging

  #136440 merged Jul 9, 2025

• [3.12] gh-130077: Properly match full soft keywords in the parser (GH-135317)

  #135400 merged Jul 8, 2025

• Fix comment about number of unicode string types

  #136439 merged Jul 8, 2025

• gh-136162: Document encodings

  #136164 merged Jul 8, 2025

• GH-91636: Clear weakrefs created by finalizers.

  #136401 merged Jul 8, 2025

• [3.14] GH-133136: Revise QSBR to reduce excess memory held (gh-135473)

  #135912 merged Jul 8, 2025

• [3.14] Update bytecode magic number in tests for the 3.14 release candidate (GH-136427)

  #136429 merged Jul 8, 2025

• Update bytecode magic number in tests for the 3.14 release candidate

  #136427 merged Jul 8, 2025

• gh-136156: Allow using linkat() with TemporaryFile

  #136281 merged Jul 8, 2025

• [3.14] gh-136380: Fix import behavior for concurrent.futures.InterpreterPoolExecutor (GH-136381)

  #136420 merged Jul 8, 2025

• gh-136380: Fix import behavior for concurrent.futures.InterpreterPoolExecutor

  #136381 merged Jul 8, 2025

• [3.14] gh-136186: Fix race condition in test_external_inspection.test_only_active_thread (GH-136347)

  #136416 merged Jul 8, 2025

• gh-136186: Fix race condition in test_external_inspection.test_only_active_thread

  #136347 merged Jul 8, 2025

• [3.13] gh-101100: Fix sphinx warnings in Doc/library/exceptions.rst (GH-136309)

  #136415 merged Jul 8, 2025

• [3.14] gh-101100: Fix sphinx warnings in Doc/library/exceptions.rst (GH-136309)

  #136414 merged Jul 8, 2025

• gh-101100: Fix sphinx warnings in Doc/library/exceptions.rst

  #136309 merged Jul 8, 2025

• [3.14] gh-120713: Make _Py_NORMALIZE_CENTURY private (GH-135933)

  #136387 merged Jul 8, 2025

• [3.14] gh-136297: Fix hypothesis and subTest usage in test_zoneinfo_property.py (GH-136384)

  #136407 merged Jul 8, 2025

• [3.13] gh-136297: Fix hypothesis and subTest usage in test_zoneinfo_property.py (GH-136384)

  #136408 merged Jul 8, 2025

• gh-136297: Fix hypothesis and subTest usage in test_zoneinfo_property.py

  #136384 merged Jul 8, 2025

• gh-117657: enable test_capi under TSAN

  #136269 merged Jul 8, 2025

• gh-134043: use _PyObject_GetMethodStackRef in pattern matching

  #136356 merged Jul 8, 2025

• [3.13] gh-136155: Docs: only add custom OpenGraph protocol meta tags for HTML builds (GH-136187)

  #136383 merged Jul 8, 2025

• [3.14] gh-136155: Docs: only add custom OpenGraph protocol meta tags for HTML builds (GH-136187)

  #136382 merged Jul 8, 2025

• [3.14] gh-101100: Fix sphinx warnings in whatsnew/3.11.rst (GH-136402)

  #136405 merged Jul 8, 2025

• [3.13] gh-101100: Fix sphinx warnings in whatsnew/3.11.rst (GH-136402)

  #136404 merged Jul 8, 2025

• gh-101100: Fix sphinx warnings in whatsnew/3.11.rst

  #136402 merged Jul 8, 2025

• [3.14] gh-102567: Add missing newline to --help-all (GH-136391)

  #136403 merged Jul 8, 2025

• [3.14] gh-135913: Document ob_refcnt, ob_type, ob_size (GH-135914)

  #136377 merged Jul 8, 2025

• gh-102567: Add missing newline to --help-all

  #136391 merged Jul 8, 2025

52 Pull requests opened by 35 people

• [3.12] gh-136155: Docs: only add custom OpenGraph protocol meta tags for HTML builds (GH-136187)

  #136406 opened Jul 8, 2025

• GH-136410: Faster side exits

  #136411 opened Jul 8, 2025

• gh-134043: use `_Py_dict_lookup_threadsafe_stackref` for dict lookup in `_PyObject_GetMethodStackRef`

  #136412 opened Jul 8, 2025

• gh-88992: Mention installation artifacts as de-facto resources

  #136419 opened Jul 8, 2025

• gh-136421: Fix crash when _datetime is been initialized in multiple sub-interpreters

  #136422 opened Jul 8, 2025

• gh-85222: Document the side effect in multiprocessing

  #136426 opened Jul 8, 2025

• gh-136459: Add perf trampoline support for macOS

  #136461 opened Jul 9, 2025

• gh-121028: Soft-deprecate sys.api_version

  #136463 opened Jul 9, 2025

• gh-136470: Correct InterpreterPoolExecutor's default thread name

  #136472 opened Jul 9, 2025

• gh-136438: Make sure `test_compile` pass with all optimization levels

  #136478 opened Jul 9, 2025

• gh-136438: Make sure test.test_pydoc.test_pydoc pass with all optimization levels

  #136479 opened Jul 9, 2025

• [3.13] GH-133136: Revise QSBR to reduce excess memory held (gh-135473)

  #136480 opened Jul 9, 2025

• gh-136231: Document xml.etree.ElementTree.iselement behavior when used with types

  #136484 opened Jul 9, 2025

• gh-136442: Fix unittest to return exit code 5 when setUpClass raises an exception

  #136487 opened Jul 9, 2025

• gh-136438: Make sure `test_interpreters` pass with all optimization levels

  #136499 opened Jul 10, 2025

• gh-111704: Add `stdtypes.rst` to doctests

  #136501 opened Jul 10, 2025

• gh-136507: Fix mimetypes CLI cannot handle multiple file parameters

  #136508 opened Jul 10, 2025

• gh-127146: Report uid in Emscripten + node as native uid

  #136509 opened Jul 10, 2025

• gh-135559: [Enum] dir() on a Flag now shows aliases

  #136527 opened Jul 11, 2025

• gh-83336: Add alias for consistency to `utf-8-sig`

  #136530 opened Jul 11, 2025

• gh-136535: Tests: Correct `Py_TPFLAGS_MANAGED_DICT` in `test_class.py`

  #136538 opened Jul 11, 2025

• gh-135700: Fix instructions in __annotate__ have incorrect code positions

  #136543 opened Jul 11, 2025

• gh-136492: Add `FrameLocalsProxy` to `types`

  #136546 opened Jul 11, 2025

• GH-116738: document thread-safety of bisect

  #136555 opened Jul 11, 2025

• gh-136571: Convert more code in datetime to Argument Clinic

  #136573 opened Jul 12, 2025

• gh-136006: fix `Py_NAN` expansion on Solaris systems

  #136575 opened Jul 12, 2025

• gh-136421: Load `_datetime` static types during interpreter initialization

  #136583 opened Jul 12, 2025

• DOC: fix grammar typo in `Doc/library/logging.rst`

  #136584 opened Jul 12, 2025

• gh-136586: Improve winreg's module docstring

  #136587 opened Jul 12, 2025

• gh-130425: Add "Did you mean [...]" suggestions for `del obj.attr`

  #136588 opened Jul 12, 2025

• gh-136438: Make sure `test_dis` pass with all optimization levels

  #136593 opened Jul 12, 2025

• gh-136438: Make sure `test_generated_cases` pass with all optimization levels

  #136594 opened Jul 12, 2025

• gh-136438: Make sure `test_ast` pass with all optimization levels

  #136596 opened Jul 12, 2025

• gh-136599: Improve long_hash

  #136600 opened Jul 12, 2025

• [3.14] gh-136523: Fix wave.Wave_write emitting an unraisable when open raises (GH-136529)

  #136606 opened Jul 13, 2025

• gh-62040: Raise `ValueError` on invalid *errors* argument in several codecs

  #136611 opened Jul 13, 2025

• gh-101100: Fix sphinx warnings in `library/xml.sax.handler.rst`

  #136612 opened Jul 13, 2025

• gh-136134: imaplib: fix CRAM-MD5 on FIPS-only environments

  #136615 opened Jul 13, 2025

• gh-132983: Add missing references to Zstandard in shutil docstrings

  #136617 opened Jul 13, 2025

• gh-136618: lookbehind assertions doc at regex

  #136619 opened Jul 13, 2025

• gh-136421: Fix crash in _datetime when initialized/finalized concurrently

  #136620 opened Jul 13, 2025

• gh-136602: Fix wrong `offset_data` being used for sparse files with an additional `size` PAX keyword

  #136621 opened Jul 13, 2025

• gh-136601: Always set `TarInfo.size` to the real file size for sparse files

  #136622 opened Jul 13, 2025

• gh-136134: smtplib: fix CRAM-MD5 on FIPS-only environments

  #136623 opened Jul 13, 2025

• gh-136632: use support.captured_std* in test_pyrepl/test_interact.py

  #136633 opened Jul 13, 2025

• gh-136595: Normalize surrogate pairs in REPL input to fix UnicodeEnco…

  #136639 opened Jul 14, 2025

• gh-55531: Implement `normalize_encoding` in C

  #136643 opened Jul 14, 2025

• gh-136616: Improve `assert` syntax error messages

  #136653 opened Jul 14, 2025

• [3.14] gh-136396: Include instrumentation when creating new copies of the bytecode (GH-136525)

  #136657 opened Jul 14, 2025

• [3.14] gh-116738: Make grp module thread-safe (GH-135434)

  #136658 opened Jul 14, 2025

• gh-136663: fix signatures of PyFloat_Pack/Unpack[248] in docs

  #136664 opened Jul 15, 2025

• Update What's new in Python 3.14: typos and misplaced item.

  #136665 opened Jul 15, 2025

99 Issues closed by 32 people

• InterpreterPoolExecutor does not work as replacement of ThreadPoolExecutor.

  #136603 closed Jul 14, 2025

• Unit test test_incremental_gc_handles_fast_cycle_creation sometimes fails

  #133532 closed Jul 14, 2025

• Not all types have "trashcan" protection and tp_dealloc can overflow stack

  #124715 closed Jul 14, 2025

• `,` works with `Decimal()` against the doc of **Format Specification Mini-Language**

  #136636 closed Jul 14, 2025

• Optionally run Python regression tests in parallel

  #127933 closed Jul 14, 2025

• Off-by-one errors in hashlib.scrypt error messages

  #90733 closed Jul 14, 2025

• ASan: heap-buffer-overflow in ucs2lib_default_find

  #127971 closed Jul 14, 2025

• spam

  #136644 closed Jul 14, 2025

• Mention of importlib.metadata.PackageNotFoundError in docs

  #116981 closed Jul 14, 2025

• encoding problem: coding:gbk cause syntaxError

  #79321 closed Jul 14, 2025

• Simplify parsing parameters in Argument Clinic

  #135256 closed Jul 13, 2025

• Ambiguous symbol table names

  #121914 closed Jul 13, 2025

• Use ipaddress.ip_address instead of regex to detect IPv4 string in http.cookiejar

  #135500 closed Jul 13, 2025

• Encodings and aliases do not match runtime

  #42237 closed Jul 13, 2025

• BlockingIOError: [Errno 11] Resource temporarily unavailable when performing SSL handshake on Solaris

  #89785 closed Jul 13, 2025

• [PATCH] python socket module fails to build on Solaris when -zignore is in LDFLAGS

  #68083 closed Jul 13, 2025

• Rewrite & cleanup HACL*-based extension modules

  #135532 closed Jul 13, 2025

• ftplib `retrbinary(rest=...)` seems to send incorrect data

  #127561 closed Jul 13, 2025

• Difference between open and codecs.open

  #61639 closed Jul 13, 2025

• locale.nl_langinfo(locale.ERA) is broken

  #125411 closed Jul 13, 2025

• Allow tests to temporarily disable specific hash algorithms

  #136547 closed Jul 13, 2025

• Detail `del s[i:j]` in `Mutable Sequence Types`

  #134833 closed Jul 13, 2025

• Exception raised from `Wave_write.__del__()` after failed attempt to open file for write operation

  #136523 closed Jul 13, 2025

• EUC-JP codec fails to properly decode the "㎝" character

  #95734 closed Jul 13, 2025

• Why does codecs.StreamWriter accept text data stream?

  #108428 closed Jul 13, 2025

• Support zstd on Android

  #135846 closed Jul 12, 2025

• Avoid using `ERR_func_error_string` and `EVP_MD_CTX_md` with OpenSSL 3.0+

  #136591 closed Jul 12, 2025

• test_opcache fails randomly (failure or crash)

  #132942 closed Jul 12, 2025

• Py_TYPE(lhs)->tp_as_mapping->mp_subscript is not the same as Dict_Type.tp_as_mapping->mp_subscript when it should be

  #132284 closed Jul 12, 2025

• Leak test of test_descr fails Base2 != Base

  #133122 closed Jul 12, 2025

• Py_DECREF() in interpreter doesn't call `_PyReftracerTrack(op, PyRefTracer_DESTROY)`

  #130382 closed Jul 12, 2025

• Clean up "lltrace"

  #129763 closed Jul 12, 2025

• Find a way to handle branch events in `async for`

  #128534 closed Jul 12, 2025

• avoid bare except: in stdlib

  #125522 closed Jul 12, 2025

• `UnboundLocalError` in `email.message.Message.get_payload`

  #134759 closed Jul 12, 2025

• Failure when running `test_inspect` locally

  #136549 closed Jul 12, 2025

• UAF when writing to a bytearray with an element implementing `__index__` with side-effects

  #91153 closed Jul 12, 2025

• Numbers

  #136577 closed Jul 12, 2025

• Compilation of HACL fails under macOS Silicon for version 3.14

  #130478 closed Jul 12, 2025

• Add ssl module test for AWS-LC

  #135401 closed Jul 12, 2025

• Some comments on concurrent.interpreters documentation

  #136569 closed Jul 12, 2025

• REPL: Prompt obscures chars for print with end=","

  #136553 closed Jul 12, 2025

• Fix `IndexError` in `pydoc.replace`

  #136572 closed Jul 12, 2025

• Custom unpickler and pickler for the shelve module

  #99631 closed Jul 12, 2025

• XSS in html.parser library

  #102555 closed Jul 12, 2025

• Decide the fate of missing C99 functions in `math`

  #135853 closed Jul 12, 2025

• Improve and amend `hashlib.__doc__`

  #136565 closed Jul 12, 2025

• concurrent.interpreters - buggy code leads to a crash during finalization

  #136568 closed Jul 12, 2025

• Unexpected UnicodeError instead of UnicodeDecodeError within codec.readline() only for 'utf-16' encoding

  #112812 closed Jul 12, 2025

• Assertion failure when func_repr is called on an already tp_clear-ed object

  #91636 closed Jul 11, 2025

• `test_perf_profiler` fails under Windows Subsystem for Linux

  #134986 closed Jul 11, 2025

• Multicore benchmark did not work

  #136526 closed Jul 11, 2025

• perf trampolines are not reliable in aarch64

  #136541 closed Jul 11, 2025

• Not all C tests conform to PEP-737

  #136300 closed Jul 11, 2025

• Snake Bug

  #136542 closed Jul 11, 2025

• `./python.exe -OO -m test test_concurrent_futures` fails

  #136434 closed Jul 11, 2025

• [Fun Idea] Can we call Python 3.14 "πthon" as a joke?

  #136539 closed Jul 11, 2025

• asyncio has underscored names in its `__all__`

  #134657 closed Jul 11, 2025

• PYTHONIOENCODING=undefined doesn't work in Python 3

  #76637 closed Jul 11, 2025

• Document encodings.idna limitations

  #86699 closed Jul 11, 2025

• Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set

  #136517 closed Jul 11, 2025

• Attribute resolution of an Enum member that is an instance of a subclass of the mixin class does not follow MRO

  #116487 closed Jul 11, 2025

• Inverted enum.Flag

  #107538 closed Jul 11, 2025

• `enum.Enum.__dir__` docs do not mention enum members in return value

  #104235 closed Jul 11, 2025

• Python should have RESERVED WORDS ... example "sorted"

  #136524 closed Jul 10, 2025

• Keepends param in codec readline(s)

  #52876 closed Jul 10, 2025

• Improve `codecs.BufferedIncrementalDecoder` documentation

  #82663 closed Jul 10, 2025

• Data race on `tp_flags` with subinterpreters and static types

  #129817 closed Jul 10, 2025

• No Sphinx markup for PyExc_*

  #136209 closed Jul 10, 2025

• compression.zstd tests: test_compress_locking sometimes fail on free-threading builds

  #136394 closed Jul 10, 2025

• Enhance critical section held assertions for objects in free-threading

  #135380 closed Jul 10, 2025

• Race condition in subinterpreters during subinterpreter creation on Windows debug build

  #100711 closed Jul 10, 2025

• get_async_stack_trace is missing part of the graph

  #136476 closed Jul 10, 2025

• Inconsistent argparse ArgumentParser parse_known_args() behavior when '--' is present in argument list

  #136462 closed Jul 10, 2025

• codecs should raise specific UnicodeDecodeError/UnicodeEncodeError rather than just UnicodeError

  #70068 closed Jul 10, 2025

• Clarify "system-wide" in docs for time.monotonic()

  #102740 closed Jul 9, 2025

• Define "standard library" and "stdlib" in the glossary

  #136145 closed Jul 9, 2025

• issue using urljoin from urllib.parse

  #136481 closed Jul 9, 2025

• Show how to clear a `@functools.cached_property`

  #135936 closed Jul 9, 2025

• Document that os.path.ismount() returns true for nested btrfs subvolumes

  #81520 closed Jul 9, 2025

• Fix sqlite timezone-naive adapter recipe

  #131825 closed Jul 9, 2025

• asyncio REPL: Use `self.loop` instead of global `loop` variable in `AsyncIOInteractiveConsole`

  #136447 closed Jul 9, 2025

• Misspelled freethreading in 3.14.0b3

  #136055 closed Jul 9, 2025

• Write documentation for codecs.readbuffer_encode()

  #53243 closed Jul 9, 2025

• functools.partial does not re-set vector call.

  #119109 closed Jul 9, 2025

• Race between `partial_vectorcall_fallback` and `_PyVectorcall_FunctionInline` under free-threading

  #128050 closed Jul 9, 2025

• Remove Platform Emscripten is not supported warning

  #136229 closed Jul 9, 2025

• venv with `include-system-site-packages=true` not finding system modules when Python comes from Homebrew on Linux

  #136425 closed Jul 8, 2025

• Make Fraction more subclassing-friendly

  #136096 closed Jul 8, 2025

• Give python-isal a mention in the zlib/gzip documentation

  #98347 closed Jul 8, 2025

• Weakly Referenceable Object

  #130062 closed Jul 8, 2025

• `encodings` module is not documented

  #136162 closed Jul 8, 2025

• random.vonmisesvariate() and random.lognormvariate() accept invalid parameters despite docs constraints

  #135647 closed Jul 8, 2025

• seems that time.get_clock_info('time').resolution report wrong result with actually comparing

  #92295 closed Jul 8, 2025

• Inconsistent import behavior when concurrent.futures.InterpreterPoolExecutor not exist

  #136380 closed Jul 8, 2025

• strptime and week numbers without week days

  #88421 closed Jul 8, 2025

• _TIER2_RESUME_CHECK is costly in the JIT

  #134728 closed Jul 8, 2025

• `test_zoneinfo_property.py` misses tests with all `pickle` protocols

  #136297 closed Jul 8, 2025

• assertion failures and a crash when using an uninitialized struct.Struct object

  #75960 closed Jul 8, 2025

42 Issues opened by 34 people

• Signature of `PyFloat_Pack{2,4,8}` inconsistent with documentation

  #136663 opened Jul 15, 2025

• Undefined Behavior triggered in dictobject

  #136660 opened Jul 14, 2025

• InterpreterPoolExecutor Failure When `__name__ == '__main__'`: Idiom Not Used

  #136659 opened Jul 14, 2025

• Add asterisk tag to `moudle_globals` in `library/linecache.rst`

  #136656 opened Jul 14, 2025

• `ProcessPoolExecutor` fails to notify when called with `shutdown(cancel_futures=True)`

  #136655 opened Jul 14, 2025

• `self_converter` used in a `METH_O` function doesn't support `unused` parameter

  #136654 opened Jul 14, 2025

• Improve example of pickle "Handling Stateful Objects"

  #136641 opened Jul 14, 2025

• Inaccurate description of `ast.AST` location attributes

  #136640 opened Jul 14, 2025

• Update tests to use test.support.captured_std*

  #136632 opened Jul 13, 2025

• Add Lookbehind Assertions doc

  #136618 opened Jul 13, 2025

• `assert` does not have `=` -> `==` suggestion

  #136616 opened Jul 13, 2025

• Unable to compile Python 3.13.5 on Solaris 10 SPARC

  #136604 opened Jul 13, 2025

• Next TAR header offset recomputation is wrong for GNU sparse 1.0 file combined with 'size' PAX header key

  #136602 opened Jul 12, 2025

• tarfile indeterminate TarInfo.size when PAX headers contain `size` and `GNU.sparse.realsize` keys at the same time

  #136601 opened Jul 12, 2025

• Improve long_hash

  #136599 opened Jul 12, 2025

• Unicode characters ≥ 0x10000 cannot be inputted/behaves unusually at the REPL terminal.

  #136595 opened Jul 12, 2025

• `winreg`'s docstring is not up to date

  #136586 opened Jul 12, 2025

• Dropping concurrent.futures.Executor.map result cancels pending futures

  #136578 opened Jul 12, 2025

• Convert more datetime constructors and methods to Argument Clinic

  #136571 opened Jul 12, 2025

• `Tools/cases_generator/interpreter_definition.md` lacks information about some prefixes

  #136567 opened Jul 12, 2025

• concurrent.interpreters queue documentation doesn't match reality

  #136563 opened Jul 12, 2025

• Helper function for constructing URIs for `sqlite3.connect()`

  #136560 opened Jul 11, 2025

• Modernize Code In IDLELib Editor Backspace (and potentially deprecate handling of tabs in IDLE)

  #136556 opened Jul 11, 2025

• Incorrect value for `Py_TPFLAGS_MANAGED_DICT` in `Lib/test/test_class.py`

  #136535 opened Jul 11, 2025

• `inspect.get_source(lambda)` improvement

  #136521 opened Jul 10, 2025

• ctypes _pack_ & _align_ documentation needs elaboration

  #136520 opened Jul 10, 2025

• importlib.resources opens Windows device names

  #136516 opened Jul 10, 2025

• mimetypes CLI cannot handle multiple file parameters

  #136507 opened Jul 10, 2025

• FrameLocalsProxy (PEP 667) is not registered as a subclass of abc.Mapping

  #136492 opened Jul 10, 2025

• `InterpreterPoolExecutor`'s default thread name prefix is invalid

  #136470 opened Jul 9, 2025

• Consider enabling perf trampoline on macOS

  #136459 opened Jul 9, 2025

• `unittest` may incorrectly return exit code 5 when `setUpClass` raises an exception

  #136442 opened Jul 9, 2025

• Multiple tests fail with `-OO`

  #136438 opened Jul 8, 2025

• Different parameter names in `os.path` documentation vs. runtime

  #136437 opened Jul 8, 2025

• `test_int_literal` failed on WASI: `tempfile` issue

  #136436 opened Jul 8, 2025

• `test_shutdown_timeout_handler_not_set` failed locally

  #136433 opened Jul 8, 2025

• Performance improvement to uuid8 on “What’s New” page

  #136428 opened Jul 8, 2025

• Destructing `_datetime` in sub-interpreters in the same time may crash the process

  #136423 opened Jul 8, 2025

• Import `_datetime` in sub-interpreters in the same time may crash the process

  #136421 opened Jul 8, 2025

• Add os.linkat() function to create a hard link with flags

  #136413 opened Jul 8, 2025

• Switching between the JIT and interpreter is too slow.

  #136410 opened Jul 8, 2025

• Consider running `Hypothesis` tests with `-We`

  #136409 opened Jul 8, 2025

215 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• gh-132661: Document t-strings and `templatelib`

  #135229 commented on Jul 13, 2025 • 39 new comments

• gh-132661: Disallow `Template`/`str` concatenation after PEP 750 spec update

  #135996 commented on Jul 13, 2025 • 22 new comments

• gh-135056: Add a --cors CLI argument to http.server

  #135057 commented on Jul 15, 2025 • 18 new comments

• gh-136306: Add support for SSL groups

  #136307 commented on Jul 12, 2025 • 18 new comments

• gh-107545: Fix misleading setsockopt error message

  #107546 commented on Jul 11, 2025 • 17 new comments

• gh-136251: Improvements to WASM demo REPL

  #136252 commented on Jul 14, 2025 • 15 new comments

• gh-135552: Make the GC clear weakrefs later.

  #136189 commented on Jul 14, 2025 • 9 new comments

• gh-135993: Fix IPv6 bug in `set_ok_port` and `return_ok_port`

  #136076 commented on Jul 14, 2025 • 8 new comments

• gh-135386: Fix "unable to open database file" errors on readonly DB

  #135566 commented on Jul 10, 2025 • 7 new comments

• gh-136336: add tests for PySys_Audit() and PySys_AuditTuple()

  #136337 commented on Jul 12, 2025 • 6 new comments

• gh-136155: Docs: check for EPUB fatal errors in CI

  #134074 commented on Jul 14, 2025 • 6 new comments

• gh-72327: Suggest using system terminal for pip install in PyREPL

  #136328 commented on Jul 14, 2025 • 5 new comments

• gh-135307: Fix email error when policy max_line_length is set to 0 or None

  #135367 commented on Jul 12, 2025 • 4 new comments

• gh-89341: Support creation of a link to the file by fd

  #136302 commented on Jul 8, 2025 • 4 new comments

• GH-132657: Add lock-free set contains implementation

  #132290 commented on Jul 14, 2025 • 4 new comments

• gh-136327: Fix inconsistent TypeError messages regarding invalid values after * and **

  #136395 commented on Jul 10, 2025 • 3 new comments

• gh-121577: fix compileall always recompiling pyc files with hash based invalidation

  #121960 commented on Jul 13, 2025 • 3 new comments

• gh-81148: Eliminate unnecessary check in _strptime when determining AM/PM

  #13428 commented on Jul 8, 2025 • 2 new comments

• bpo-41839: Fix error checking in sched_get_priority_ functions

  #22374 commented on Jul 14, 2025 • 2 new comments

• gh-136278: Document codecs.escape_encode() and codecs.escape_decode()

  #136314 commented on Jul 12, 2025 • 2 new comments

• gh-135552: Add tests that check if weakref for tp_subclasses cleared after finalization

  #136304 commented on Jul 8, 2025 • 2 new comments

• gh-125893: Add type check for category argument in warnings.simplefilter and warnings.filterwarning

  #136305 commented on Jul 10, 2025 • 2 new comments

• Implement PEP 788

  #133110 commented on Jul 9, 2025 • 1 new comment

• gh-130536: Added details to `os.path` documentation

  #130557 commented on Jul 14, 2025 • 1 new comment

• gh-129926: Speed up sqlite3.Row item access

  #129927 commented on Jul 12, 2025 • 1 new comment

• gh-75229: make ensurepip honour value of --prefix option

  #135488 commented on Jul 8, 2025 • 1 new comment

• Docs: a start on an 'improve this page' feature

  #136246 commented on Jul 13, 2025 • 1 new comment

• Undocumented handling of thousands separator for floats and differences wrt Decimal

  #130664 commented on Jul 14, 2025 • 0 new comments

• FTBFS on Solaris due to missing space

  #98901 commented on Jul 14, 2025 • 0 new comments

• test_interpreters Failing Intermittently Under Py_DISABLE_GIL

  #118731 commented on Jul 14, 2025 • 0 new comments

• Give better errors for OS commands, like 'pip', in REPL, script

  #72327 commented on Jul 14, 2025 • 0 new comments

• Unclear intention of deprecating Py_UNICODE_TOLOWER / Py_UNICODE_TOUPPER

  #76535 commented on Jul 14, 2025 • 0 new comments

• HTMLParser does not support escapable raw text mode (<textarea> and <title>)

  #118350 commented on Jul 14, 2025 • 0 new comments

• Bug with per-thread bytecode and profiling/instrumentation in freethreading

  #136396 commented on Jul 14, 2025 • 0 new comments

• Audit all built-in modules for thread safety

  #116738 commented on Jul 14, 2025 • 0 new comments

• Memory keeps increasing with fixed-size dict during multi-threaded set/delete in 3.13.3t

  #133136 commented on Jul 14, 2025 • 0 new comments

• Performance regression with cyclic GC vs 3.13

  #129210 commented on Jul 14, 2025 • 0 new comments

• deepcopy memoryview raises TypeError

  #95081 commented on Jul 14, 2025 • 0 new comments

• Random segfaults on Python 3.12.10 during CI testing

  #134193 commented on Jul 15, 2025 • 0 new comments

• [3.13] gh-135755: Document __future__.* and CO_* as proper Sphinx objects (GH-135980)

  #136371 commented on Jul 8, 2025 • 0 new comments

• bpo-40893: Add TkDND support to tkinter

  #20896 commented on Jul 8, 2025 • 0 new comments

• gh-89979: Sync C/Python `datetime` implementations positional arguments

  #136366 commented on Jul 12, 2025 • 0 new comments

• gh-84683: Check in `<prefix>/share/zoneinfo` for zoneinfo files on Windows

  #28495 commented on Jul 8, 2025 • 0 new comments

• gh-102494: fix MemoryError when using selectors on Solaris

  #102495 commented on Jul 14, 2025 • 0 new comments

• gh-83714: Use statx on Linux 4.11 and later in os.stat

  #136334 commented on Jul 8, 2025 • 0 new comments

• gh-115988: Add missing ARM64 and RISCV filter in lzma module

  #115989 commented on Jul 13, 2025 • 0 new comments

• gh-135312: Use positional-only arguments in dunder methods and abstract methods in `collections.abc`.

  #136324 commented on Jul 8, 2025 • 0 new comments

• Subinterpreters don't properly clean up threads

  #128639 commented on Jul 8, 2025 • 0 new comments

• Remove deprecated `importlib.load_module`

  #133882 commented on Jul 13, 2025 • 0 new comments

• Add a CI job for testing OpenSSL 1.1.1 bindings

  #135261 commented on Jul 13, 2025 • 0 new comments

• compileall shouldn't recompile up-to-date files with hash-based invalidation mode

  #121577 commented on Jul 13, 2025 • 0 new comments

• `importlib.reload` is not thread-safe

  #126548 commented on Jul 13, 2025 • 0 new comments

• Extraneous error output when process exits after using subinterpreters

  #135729 commented on Jul 13, 2025 • 0 new comments

• Improve Turtle graphics documentation

  #106996 commented on Jul 13, 2025 • 0 new comments

• Segfault in gc while finalizing

  #135115 commented on Jul 13, 2025 • 0 new comments

• Python does not support the GEORGIAN-PS charset

  #63658 commented on Jul 13, 2025 • 0 new comments

• Revisit adding lexical normalization support to `pathlib`

  #124825 commented on Jul 13, 2025 • 0 new comments

• Bad encoding alias cp936 -> gbk: euro sign

  #72530 commented on Jul 13, 2025 • 0 new comments

• Emscripten: Get test suite passing

  #127146 commented on Jul 13, 2025 • 0 new comments

• importlib.metadata lacks reference documentation

  #110937 commented on Jul 13, 2025 • 0 new comments

• PEP-739 build-details generation is broken when --relative-paths is specified

  #136264 commented on Jul 13, 2025 • 0 new comments

• PEP-739 build-details generation is incorrect when cross-building

  #136267 commented on Jul 13, 2025 • 0 new comments

• 'ImportError: DLL load failed while importing xxxxxxx: The filename or extension is too long' with LongPathsEnabled

  #126929 commented on Jul 13, 2025 • 0 new comments

• Docs: EPUB builds are broken

  #136155 commented on Jul 14, 2025 • 0 new comments

• test_interpreters: test_create_many_threaded() failed on FreeBSD: log: RuntimeError: interpreter creation failed

  #109700 commented on Jul 14, 2025 • 0 new comments

• encoding package's normalize_encoding() function is too slow

  #55531 commented on Jul 14, 2025 • 0 new comments

• Documentation of sys.base_prefix is unclear when a virtual environment is created from another virtual environment

  #95469 commented on Jul 14, 2025 • 0 new comments

• Fix all Sphinx reference warnings in the documentation

  #101100 commented on Jul 14, 2025 • 0 new comments

• gh-134070: Prevent out-of-bounds read in mi_clz32 and mi_ctz32

  #134149 commented on Jul 13, 2025 • 0 new comments

• gh-131178: Add CLI tests for cProfile

  #134269 commented on Jul 12, 2025 • 0 new comments

• [3.13] gh-132124: improve safety nets for creating AF_UNIX socket files (GH-134085)

  #134448 commented on Jul 12, 2025 • 0 new comments

• gh-51067: Add `remove()` and `repack()` to `ZipFile`

  #134627 commented on Jul 8, 2025 • 0 new comments

• [3.13] gh-132710: only use stable `_uuid.generate_time_safe()` to deduce MAC address (GH-132901)

  #134704 commented on Jul 12, 2025 • 0 new comments

• gh-136061: IDLE - update code in editor.Editor.load_extension

  #134874 commented on Jul 11, 2025 • 0 new comments

• gh-123681: Check NORMALIZE_CENTURY behavior at runtime; require C99

  #136022 commented on Jul 10, 2025 • 0 new comments

• gh-133438: Fix the use of the terms "argument" and "parameter" in the documentation

  #135160 commented on Jul 8, 2025 • 0 new comments

• gh-135148: Correctly handle f/t strings with comments and debug expressions

  #135198 commented on Jul 13, 2025 • 0 new comments

• GH-132661: Add ``string.templatelib.convert()``

  #135217 commented on Jul 11, 2025 • 0 new comments

• gh-136003: Execute pre-finalization callbacks in a loop

  #136004 commented on Jul 10, 2025 • 0 new comments

• gh-134531: use `EVP_MAC` API for `_hashlib.HMAC`

  #135235 commented on Jul 11, 2025 • 0 new comments

• gh-133244: TPen.pensize raises TurtleGraphicsError if called with a negative number

  #135268 commented on Jul 13, 2025 • 0 new comments

• gh-118350: Fix support of elements "textarea" and "title" in HTMLParser

  #135310 commented on Jul 15, 2025 • 0 new comments

• gh-131876: extract `_hashlib` helpers into a separate directory [WIP]

  #135341 commented on Jul 14, 2025 • 0 new comments

• gh-135959: Mark ast.ImportFrom.level as required

  #135960 commented on Jul 8, 2025 • 0 new comments

• [3.13] gh-130077: Properly match full soft keywords in the parser (GH-135317)

  #135399 commented on Jul 8, 2025 • 0 new comments

• gh-135676: Lexical analysis: Reword String literals and related sections

  #135942 commented on Jul 9, 2025 • 0 new comments

• gh-133296: Publicly expose critical section API that accepts PyMutex

  #135899 commented on Jul 10, 2025 • 0 new comments

• gh-135447: Document new bytecodes in 3.14

  #135803 commented on Jul 11, 2025 • 0 new comments

• gh-125022: add support for simple SIMD features detection

  #125011 commented on Jul 14, 2025 • 0 new comments

• gh-126028: Add more tests for msvcrt module

  #126029 commented on Jul 13, 2025 • 0 new comments

• Docs: promote the shelve module in the dbm docs introduction

  #126218 commented on Jul 11, 2025 • 0 new comments

• gh-126662: naming consistency for signal.ItimerError

  #126712 commented on Jul 9, 2025 • 0 new comments

• gh-127544: Ensure that AF_DECnet is part of socket.AddressFamily, when available

  #127548 commented on Jul 9, 2025 • 0 new comments

• gh-127930: use explicit imports in tkinter.simpledialog

  #127931 commented on Jul 9, 2025 • 0 new comments

• gh-123681: Check the strftime() behavior at runtime instead of at the compile time

  #128444 commented on Jul 8, 2025 • 0 new comments

• gh-133644: Remove `PySys_SetArgv*` for 3.15

  #136277 commented on Jul 8, 2025 • 0 new comments

• gh-131178: Add tests for `pickletools` command-line interface

  #131287 commented on Jul 13, 2025 • 0 new comments

• gh-76535: Make `PyUnicode_ToLowerFull` and friends public

  #136176 commented on Jul 14, 2025 • 0 new comments

• GH-115512: Optimize peak memory usage and runtime for large emails

  #132709 commented on Jul 11, 2025 • 0 new comments

• gh-130979: Doc: Generate ids for audit_events using docname

  #136165 commented on Jul 11, 2025 • 0 new comments

• gh-130160: Add anchors to CLI Usage section for `cmdline`

  #133182 commented on Jul 11, 2025 • 0 new comments

• gh-46927: Prevent readline from overriding environment

  #133585 commented on Jul 10, 2025 • 0 new comments

• gh-131093: Enforce -std=c11 for gcc at configure time rather than make time

  #133608 commented on Jul 14, 2025 • 0 new comments

• gh-133530: Differentiate between min/max heaps more

  #133613 commented on Jul 13, 2025 • 0 new comments

• GH-133711: Enable UTF-8 mode by default (PEP 686)

  #133712 commented on Jul 13, 2025 • 0 new comments

• gh-133829: Update zipimport example to not mention Python 2.3

  #133835 commented on Jul 9, 2025 • 0 new comments

• gh-124397: Add threading.iter_locked

  #133908 commented on Jul 9, 2025 • 0 new comments

• gh-132657: Avoid locks and refcounts in frozenset operations

  #136107 commented on Jul 13, 2025 • 0 new comments

• Async Call-Stack Reconstruction

  #91048 commented on Jul 9, 2025 • 0 new comments

• _SelectorSocketTransport.writelines does not protect against connection lost

  #136234 commented on Jul 9, 2025 • 0 new comments

• field "mro" behaves strangely in dataclass

  #89694 commented on Jul 9, 2025 • 0 new comments

• Reorganize `os.path` documentation

  #130536 commented on Jul 9, 2025 • 0 new comments

• Soft-deprecate `sys.api_version` and the C API's `PYTHON_API_VERSION`

  #121028 commented on Jul 9, 2025 • 0 new comments

• Inconsistency in datetime.utcfromtimestamp(Decimal)

  #67795 commented on Jul 9, 2025 • 0 new comments

• Python configure fails to detect tzname on platforms that have it.

  #72295 commented on Jul 9, 2025 • 0 new comments

• ElementTree.iselement() returns true for the Element type

  #136231 commented on Jul 9, 2025 • 0 new comments

• Subprocesses created with DETACHED_PROCESS can pop up a console window

  #85785 commented on Jul 10, 2025 • 0 new comments

• Write documentation for codecs.escape_encode() and codecs.escape_decode()

  #136278 commented on Jul 10, 2025 • 0 new comments

• Support linking unnamed temp files into filesystem on Linux

  #89341 commented on Jul 10, 2025 • 0 new comments

• unicode_escape codec does not escape quotes

  #51864 commented on Jul 10, 2025 • 0 new comments

• [regression] ZipFile fails to round trip on some files

  #84690 commented on Jul 10, 2025 • 0 new comments

• pyrepl fails with an ugly traceback when ioctls are not allowed on tty stdio

  #134466 commented on Jul 10, 2025 • 0 new comments

• modulefinder chokes on numpy - dereferencing None in spec.loader

  #84530 commented on Jul 10, 2025 • 0 new comments

• BufferedIncrementalEncoder violates IncrementalEncoder interface

  #64619 commented on Jul 10, 2025 • 0 new comments

• Decide what should we do with doctests in CI

  #111704 commented on Jul 10, 2025 • 0 new comments

• `test_strftime_y2k` fails on embedded Linux

  #123681 commented on Jul 10, 2025 • 0 new comments

• [subinterpreters] Make the PyGILState API compatible with subinterpreters

  #59956 commented on Jul 10, 2025 • 0 new comments

• `--disable-gil` builds are not compatible with the limited API

  #111506 commented on Jul 10, 2025 • 0 new comments

• Use system zoneinfo data on Android

  #127801 commented on Jul 10, 2025 • 0 new comments

• mimetypes raises UnicodeDecodeError when map files are not unicode encoded

  #117807 commented on Jul 10, 2025 • 0 new comments

• Use wasm-gc to handle pointer casts in wasi

  #129040 commented on Jul 10, 2025 • 0 new comments

• Implement PEP 750 – Template Strings

  #132661 commented on Jul 10, 2025 • 0 new comments

• zoneinfo.ZoneInfo does not check for Windows device names

  #88992 commented on Jul 10, 2025 • 0 new comments

• shutil.copytree(symlinks=True) fails when copying symlinks cross-device and there is no alternative

  #73702 commented on Jul 11, 2025 • 0 new comments

• _struct.Struct: calling functions without calling __init__ results in SystemError

  #78724 commented on Jul 8, 2025 • 0 new comments

• Embedding: TypeError: signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object

  #133402 commented on Jul 8, 2025 • 0 new comments

• use stackrefs in `_PyObject_GetMethod` and calling APIs

  #134043 commented on Jul 8, 2025 • 0 new comments

• test_external_inspection.test_only_active_thread is flaky

  #136186 commented on Jul 8, 2025 • 0 new comments

• `tracemalloc` aborts when run from threads in no-gil

  #126315 commented on Jul 8, 2025 • 0 new comments

• Python interpreter sometimes crashes when a pytest test access `socket.getfqdn` or `socket.getaddrinfo` on MacOS

  #136385 commented on Jul 8, 2025 • 0 new comments

• Make abstract/dunder methods positional-only.

  #135312 commented on Jul 8, 2025 • 0 new comments

• strptime() with year-weekday pair can produce invalid data

  #67905 commented on Jul 8, 2025 • 0 new comments

• Improve documentation about converting datetime.timedelta to scalars

  #80319 commented on Jul 8, 2025 • 0 new comments

• strftime fails on HP-UX

  #78583 commented on Jul 8, 2025 • 0 new comments

• datetime.strptime not accepts single-digit months and days for %m and %d

  #78122 commented on Jul 8, 2025 • 0 new comments

• `strptime`: `%U/%W` are not used without day of week

  #74985 commented on Jul 8, 2025 • 0 new comments

• Document the datetime capsule API

  #82246 commented on Jul 8, 2025 • 0 new comments

• Eliminate unnecessary check in _strptime when determining AM/PM

  #81148 commented on Jul 8, 2025 • 0 new comments

• class multiprocessing.Value calls set_start_method

  #85222 commented on Jul 8, 2025 • 0 new comments

• imaplib Time2Internaldate crashing with time.struct_time supplied from datetime.timetuple()

  #86165 commented on Jul 8, 2025 • 0 new comments

• perf_counter result does not count system sleep time in Mac OS

  #85475 commented on Jul 8, 2025 • 0 new comments

• Comparing datetime.time objects incorrect for TZ aware and unaware

  #82993 commented on Jul 8, 2025 • 0 new comments

• Potential Windows-specific lost event race in the implementation of time.sleep

  #135407 commented on Jul 8, 2025 • 0 new comments

• Reported resolution of `time.process_time` and `time.thread_time` is wrong on Windows

  #135304 commented on Jul 8, 2025 • 0 new comments

• Python 3.14 REPL blanks links above terminal rows when pasting

  #135055 commented on Jul 8, 2025 • 0 new comments

• JIT global-to-constant promotion doesn't properly validate the globals dictionary at runtime

  #136154 commented on Jul 8, 2025 • 0 new comments

• Undocumented 3.14 C API

  #135755 commented on Jul 8, 2025 • 0 new comments

• 3.13.2: cast in Py_XDECREF causes runtime failures with immortal objects

  #135746 commented on Jul 8, 2025 • 0 new comments

• Deprecate `-b` and `-bb` CLI flags

  #136355 commented on Jul 8, 2025 • 0 new comments

• SIGSEV in `datetime.timedelta` (possibly from datetime's C `delta_new`)

  #132413 commented on Jul 8, 2025 • 0 new comments

• Improve `unicodedata.numeric` return value

  #136398 commented on Jul 8, 2025 • 0 new comments

• Uncancellable, unscheduled `asyncio.Task` possible when cancel is issued from wrong thread and event loop debug is enabled

  #136399 commented on Jul 12, 2025 • 0 new comments

• Provide name suggestions for failed attribute deletions

  #130425 commented on Jul 12, 2025 • 0 new comments

• Need to keep traceback alive in WITH_EXCEPT_START

  #130595 commented on Jul 12, 2025 • 0 new comments

• `DECREF_INPUTS()` should be escaping

  #131688 commented on Jul 12, 2025 • 0 new comments

• JIT code has too many validity checks

  #131726 commented on Jul 12, 2025 • 0 new comments

• Grand unified tail-calling

  #129819 commented on Jul 12, 2025 • 0 new comments

• disallow the "surrogatepass" handler for non utf-* encodings

  #58124 commented on Jul 12, 2025 • 0 new comments

• when \\u in byte_string ,byte_string.decode('raw_unicode_escape') maybe has problem

  #83635 commented on Jul 12, 2025 • 0 new comments

• codecs.open doesn't support encoding='locale' in Python3.11

  #120406 commented on Jul 12, 2025 • 0 new comments

• The codecs module mostly but not fully supports non str<->bytes codecs

  #117325 commented on Jul 12, 2025 • 0 new comments

• Quadratic time internal base conversions

  #90716 commented on Jul 12, 2025 • 0 new comments

• OSError: [Errno 22] Invalid argument when serving files with last modified time before 1969-12-31 12:00 UTC on windows

  #101035 commented on Jul 12, 2025 • 0 new comments

• Stream encoder for zlib_codec doesn't use the incremental encoder

  #58089 commented on Jul 12, 2025 • 0 new comments

• Add utilities to "clean" surrogate code points from strings

  #63014 commented on Jul 12, 2025 • 0 new comments

• Add the interpreters Module, Implementing PEP 734

  #134939 commented on Jul 13, 2025 • 0 new comments

• MemoryError when using selectors on Solaris

  #102494 commented on Jul 13, 2025 • 0 new comments

• Skip tests failing on Solaris

  #91214 commented on Jul 13, 2025 • 0 new comments

• argparse has problem parsing option files containing empty rows

  #54732 commented on Jul 13, 2025 • 0 new comments

• codecs.open interprets FS, RS, GS as line ends

  #62491 commented on Jul 13, 2025 • 0 new comments

• use argument clinic for more socket functions

  #135748 commented on Jul 13, 2025 • 0 new comments

• codecs use `assert` for runtime validity checks

  #62040 commented on Jul 13, 2025 • 0 new comments

• codecs module doesn't support iso-8859-6-i, iso-8859-6-e, iso-8859-8-i or iso-8859-8-i

  #90079 commented on Jul 13, 2025 • 0 new comments

• Incremental cycle GC

  #108362 commented on Jul 13, 2025 • 0 new comments

• Make sure that `statvfs` is used correctly

  #116642 commented on Jul 13, 2025 • 0 new comments

• Expansion of NAN/HUGE_VAL is a function address on Solaris

  #136006 commented on Jul 13, 2025 • 0 new comments

• CRAM-MD5 fails if Python has been built without HMAC-MD5 support

  #136134 commented on Jul 13, 2025 • 0 new comments

• Inefficient ssl.SSLWantReadError exception slows down very common use-case

  #123954 commented on Jul 13, 2025 • 0 new comments

• enum: dir() of IntFlag instance excludes complex binary values

  #135559 commented on Jul 11, 2025 • 0 new comments

• Optimize the JIT's low-level assembly control flow

  #135904 commented on Jul 11, 2025 • 0 new comments

• codecs.StreamReader doesn't pass final=1 to the UTF-8 codec

  #56717 commented on Jul 11, 2025 • 0 new comments

• codecs error handler is called with a UnicodeDecodeError with the same args

  #58038 commented on Jul 11, 2025 • 0 new comments

• Codec name normalization breaks custom codecs

  #88886 commented on Jul 11, 2025 • 0 new comments

• "utf8-sig" missing from codecs (inconsistency)

  #83336 commented on Jul 11, 2025 • 0 new comments

• IDNA2008 encoding is missing

  #61507 commented on Jul 11, 2025 • 0 new comments

• ValueError: can't have unbuffered text I/O for io.open(1, 'wt', 0)

  #61606 commented on Jul 11, 2025 • 0 new comments

• Don't use O_EXCL when using O_TMPFILE

  #136156 commented on Jul 11, 2025 • 0 new comments

• We have run out of flags bits in `PyTypeObject`'s `tp_flags`

  #134860 commented on Jul 11, 2025 • 0 new comments

• some instructions in __annotate__ have incorrect code positions

  #135700 commented on Jul 11, 2025 • 0 new comments

• Remove deprecated C API objects slated for removal in 3.15

  #133644 commented on Jul 11, 2025 • 0 new comments

• Use `.. program::` and `.. option::` directives for modules with a documented CLI

  #130160 commented on Jul 11, 2025 • 0 new comments

• Increased memory usage with free-threaded build

  #135898 commented on Jul 11, 2025 • 0 new comments

• IDLE: Performance issue processing config-extensions.def

  #136061 commented on Jul 11, 2025 • 0 new comments

• sslcontext/urlopen on CA cert: Empty Subject Alternative Name extension

  #132210 commented on Jul 11, 2025 • 0 new comments

• copy.copy and copy.deepcopy scale poorly with free-threading

  #132657 commented on Jul 12, 2025 • 0 new comments

• Optimize math.lcm(*xs)

  #102221 commented on Jul 12, 2025 • 0 new comments

• Test `codecs.BufferedIncrementalDecoder`

  #57017 commented on Jul 12, 2025 • 0 new comments

• BUG Modules/_io/texio.c

  #82666 commented on Jul 12, 2025 • 0 new comments

• Python decodes EUC-JP 8FA2A7 as TILDE instead of FULLWIDTH TILDE

  #113274 commented on Jul 12, 2025 • 0 new comments

• shift_jisx0213 truncates null-terminator

  #101828 commented on Jul 12, 2025 • 0 new comments

• Consider deprecating and removing the "palmos" encoding

  #106326 commented on Jul 12, 2025 • 0 new comments

• _io.IncrementalNewlineDecoder doesn't inherit codecs.IncrementalDecoder

  #75903 commented on Jul 12, 2025 • 0 new comments

• socket module calls with long host names can fail with idna codec error

  #77139 commented on Jul 12, 2025 • 0 new comments

• [Windows] Python 3.13 New REPL prompt swallows characters with print(..., end=" ")

  #128067 commented on Jul 12, 2025 • 0 new comments

• REPL: AttributeError: module `__mp_main__` has no attribute `is_prime` in `ProcessPoolExecutor` example

  #132898 commented on Jul 12, 2025 • 0 new comments