39 Pull requests merged by 21 people

• GH-132732: Use pure op machinery to optimize COMPARE_OP_INT/FLOAT/STR

  #137062 merged Jul 26, 2025

• [3.14] gh-137090: Remove redundant statement in Doc/library/concurrent.interpreters.rst (GH-137091)

  #137108 merged Jul 25, 2025

• gh-137090: Remove redundant statement in Doc/library/concurrent.interpreters.rst

  #137091 merged Jul 25, 2025

• gh-134698: Hold a lock when the thread state is detached in ssl

  #134724 merged Jul 25, 2025

• [3.13] gh-130522: Fix unraisable TypeError in threading at interpreter shutdown (GH-131537)

  #137106 merged Jul 25, 2025

• gh-130522: Fix threading errors during garbage collection

  #131537 merged Jul 25, 2025

• gh-136929: ensure that hashlib.<name> does not raise AttributeError

  #136933 merged Jul 25, 2025

• [3.13] Fix Queue.shutdown docs for condition to unblock a join (gh-137088)

  #137102 merged Jul 25, 2025

• Fix Queue.shutdown docs for condition to unblock a join

  #137088 merged Jul 25, 2025

• gh-137084: Do not call get_gc_state from inside loop in expand_region_transitivly_reachable

  #137085 merged Jul 25, 2025

• gh-137093: Fix race condition in test_embed.test_bpo20891

  #137094 merged Jul 25, 2025

• gh-136914: Use inspect.isroutine() in DocTest's lineno computation

  #136930 merged Jul 25, 2025

• [3.14] gh-132983: Add missing references to Zstandard in shutil docstrings (GH-136617)

  #137052 merged Jul 25, 2025

• [3.14] Exclude _testclinic_depr.c.h from c-analyzer (GH-137086)

  #137089 merged Jul 24, 2025

• Exclude _testclinic_depr.c.h from c-analyzer

  #137086 merged Jul 24, 2025

• gh-136870: fix data races in instrumentation of bytecode

  #136994 merged Jul 24, 2025

• [3.13] Fix docs for Queue.shutdown (gh-137028)

  #137081 merged Jul 24, 2025

• Fix docs for Queue.shutdown

  #137028 merged Jul 24, 2025

• [3.13] gh-136759: rename lock.h to pylock.h (GH-137041)

  #137075 merged Jul 24, 2025

• gh-132551: add missing critical sections on BytesIO methods

  #137073 merged Jul 24, 2025

• gh-137054: Remove obsolete counting of objects in young generation

  #137055 merged Jul 24, 2025

• gh-136759: Rename lock.h to pylock.h

  #137041 merged Jul 24, 2025

• [3.13] gh-136516: Mention installation artifacts as de-facto resources (GH-136419)

  #137039 merged Jul 24, 2025

• gh-124621: Emscripten: Add smoke test for using pyrepl in Chrome

  #137004 merged Jul 24, 2025

• gh-136976: Emscripten: Add _decimal and libmpdec

  #136997 merged Jul 24, 2025

• gh-136980: Remove unused C tracing code in bdb

  #136981 merged Jul 24, 2025

• [3.14] GH-136975: Emend a spelling error (algorthm -> algorithm) (GH-136999)

  #137003 merged Jul 23, 2025

• Touch up Setup.local handling in Tools/wasm/wasi

  #137051 merged Jul 23, 2025

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

  #136617 merged Jul 23, 2025

• [3.14] gh-137043: mention PyList_GET_ITEM as unsafe borrowed API in free-threading docs (GH-137042)

  #137045 merged Jul 23, 2025

• [3.14] gh-135676: Lexical analysis: Reword String literals and related sections (GH-135942)

  #137048 merged Jul 23, 2025

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

  #135942 merged Jul 23, 2025

• Revert "gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (#136893)"

  #137014 merged Jul 23, 2025

• [3.13] gh-137043: mention PyList_GET_ITEM as unsafe borrowed API in free-threading docs (GH-137042)

  #137046 merged Jul 23, 2025

• gh-137043: DOC: Free-threading howto should mention PyList_GET_ITEM

  #137042 merged Jul 23, 2025

• Fix typos in Doc/extending/extending.rst and Doc/library/shelve.rst

  #136890 merged Jul 23, 2025

• gh-136516: Mention installation artifacts as de-facto resources

  #136419 merged Jul 23, 2025

• gh-136437: Make several functions in os.path pos-only

  #136949 merged Jul 23, 2025

• gh-136459: Use platform-specific type in perf_jit_trampoline

  #137031 merged Jul 23, 2025

24 Pull requests opened by 17 people

• gh-123441: Correct the supported languages of the `iso-8859-4` codec

  #137034 opened Jul 23, 2025

• Add What's New entry about Emscripten changes

  #137035 opened Jul 23, 2025

• gh-136520: Clarify docs for _pack_ & _align_

  #137036 opened Jul 23, 2025

• [3.14] gh-136516: Mention installation artifacts as de-facto resources (GH-136419)

  #137038 opened Jul 23, 2025

• gh-136992: Add 'None' as valid SameSite value as per RFC6265bis

  #137040 opened Jul 23, 2025

• gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (take 2)

  #137047 opened Jul 23, 2025

• [3.14] Touch up `Setup.local` handling in `Tools/wasm/wasi` (GH-137051)

  #137053 opened Jul 23, 2025

• gh-137056: Fix DTrace build support on NetBSD

  #137057 opened Jul 23, 2025

• GH-137059: `url2pathname()`: fix support for drive letter in netloc

  #137060 opened Jul 23, 2025

• gh-137063: Remove notice about ast node types no longer available

  #137064 opened Jul 24, 2025

• [3.14] gh-136976: Emscripten: Add _decimal and libmpdec (GH-136997)

  #137066 opened Jul 24, 2025

• [3.14] gh-124621: Emscripten: Add smoke test for using pyrepl in Chrome (GH-137004)

  #137067 opened Jul 24, 2025

• gh-137065: Unmerge types.UnionType and typing.Union

  #137069 opened Jul 24, 2025

• [3.14] gh-136759: rename `lock.h` to `pylock.h` (GH-137041)

  #137072 opened Jul 24, 2025

• gh-137078: Fix keyword typo recognition when executed over files

  #137079 opened Jul 24, 2025

• [3.14] Fix docs for Queue.shutdown (gh-137028)

  #137080 opened Jul 24, 2025

• [3.14] gh-136870: fix data races in instrumentation of bytecode (GH-136994)

  #137082 opened Jul 24, 2025

• gh-116111: Clarify DST behaviour in datetime arithmetic and zoneinfo docs

  #137092 opened Jul 24, 2025

• GH-132532: Add new DSL macros to better declare semantics of exits at ends of instructions/uops.

  #137098 opened Jul 25, 2025

• gh-81719: Add private members to zipfileZipFile to make it easier to subclass

  #137101 opened Jul 25, 2025

• gh-137103: A better circular check for json.dump()

  #137104 opened Jul 25, 2025

• [3.14] gh-130522: Fix unraisable TypeError in threading at interpreter shutdown (GH-131537)

  #137105 opened Jul 25, 2025

• [3.14] gh-134698: Hold a lock when the thread state is detached in `ssl` (GH-134724)

  #137107 opened Jul 25, 2025

• gh-137110: Untrack immortal objects from expand_region_transitivity_reachable

  #137111 opened Jul 25, 2025

23 Issues closed by 13 people

• Reorganize WASI-related files in `Tools/wasm`

  #133600 closed Jul 25, 2025

• threading.Event().wait() not interruptable with Ctrl-C on Windows

  #80116 closed Jul 25, 2025

• threading.Lock.acquire() not interruptible on Windows

  #74157 closed Jul 25, 2025

• data races in instrumentation when running coverage under TSAN

  #136870 closed Jul 25, 2025

• <lock.h> filename is too generic

  #136759 closed Jul 25, 2025

• threading: Exception at shutdown on musllinux_1_2_i686

  #130522 closed Jul 25, 2025

• OS permission error should indicate which of the files caused the issue

  #137077 closed Jul 25, 2025

• Ensure that `hashlib.<name>` does not raise `AttributeError`

  #136929 closed Jul 25, 2025

• Accept more hexstring formats in `binascii.unhexlify` and `bytes.fromhex`

  #137083 closed Jul 25, 2025

• [refactoring] Do not call get_gc_state from inside loop in expand_region_transitively_reachable

  #137084 closed Jul 25, 2025

• `test_embed.test_bpo20891` is racy under free-threading

  #137093 closed Jul 25, 2025

• false result with datetime week and isocalendar()

  #137097 closed Jul 25, 2025

• Optimize heapq.nlargest/nsmallest by switching to sorting when k is large relative to n

  #137095 closed Jul 25, 2025

• Spam

  #137096 closed Jul 25, 2025

• Undefined symbol in C++ extension when using Python 3.11 and PyTorch-based C++/CUDA module (`selective_scan_cuda`)

  #137071 closed Jul 24, 2025

• Remove obsolete counting of objects in young generation of GC

  #137054 closed Jul 24, 2025

• Unused C tracing code in bdb

  #136980 closed Jul 24, 2025

• spam

  #137061 closed Jul 23, 2025

• `url2pathname()` doesn't handle URL query or fragment components

  #136874 closed Jul 23, 2025

• Stop creating `Modules/Setup.local` when doing WASI builds

  #137049 closed Jul 23, 2025

• Free-threading documentation should mention PyList_GET_ITEM

  #137043 closed Jul 23, 2025

• Document ob_refcnt, ob_type, ob_size

  #135913 closed Jul 23, 2025

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

  #136437 closed Jul 23, 2025

21 Issues opened by 18 people

• The docstring of `bytes()` and `bytearray()` should show `source` and show the default values for `source`, `encoding` and `errors` and should say `bytes-like object`

  #137114 opened Jul 26, 2025

• The docstring of `str()` should show the default values for `object`, `encoding` and `errors` and should say `bytes-like object`

  #137112 opened Jul 25, 2025

• Docs: update GNU readline interface documentation to reflect that it is no longer supported

  #137113 opened Jul 25, 2025

• Inconsistency handling of immortal objects in gc

  #137110 opened Jul 25, 2025

• multi-threading + fork warning when threads are stopped before fork

  #137109 opened Jul 25, 2025

• A better JSON check_circular

  #137103 opened Jul 25, 2025

• `bytes()` and `bytearray()` should have the default values for `errors` for string sources

  #137100 opened Jul 25, 2025

• The built-in functions `bytearray()`, `bytes()`, `dict()`, `frozenset()`, `memoryview()`, `range()`, `set()`, `str()` and `tuple()` should have anchor tags

  #137099 opened Jul 25, 2025

• Remove redundant statement

  #137090 opened Jul 24, 2025

• The keyword typo error messages work inconsistently when executed over files

  #137078 opened Jul 24, 2025

• shutil.copyfile should use ReFS block-level linking on Windows (by invoking CopyFileW)

  #137074 opened Jul 24, 2025

• Clarify which parameters are accepted by Traversable.open

  #137070 opened Jul 24, 2025

• Merge 'types.UnionType' with `typing._UnionGenericAlias`, not `typing.Union`

  #137065 opened Jul 24, 2025

• Documentation indicates presence of removed `ast` members

  #137063 opened Jul 24, 2025

• `url2pathname()` mishandles URL with Windows drive in netloc

  #137059 opened Jul 23, 2025

• `pyport.h`: use `__STDC_VERSION__ >= 202311L` instead of `__STDC_VERSION__ > 201710L`

  #137058 opened Jul 23, 2025

• DTrace Build Fails on NetBSD

  #137056 opened Jul 23, 2025

• resource library (getrlimit, setrlimit) interprets resource limits as signed integers instead of unsigned

  #137044 opened Jul 23, 2025

• Segmentation fault in _ctypes when _type_ can't be converted to UTF-8

  #137037 opened Jul 23, 2025

• Unable to attach pdb remote debugger on MacOS

  #137033 opened Jul 23, 2025

• Assertion failure in _PyEval_EvalFrameDefault due to unexpected opcode

  #137030 opened Jul 23, 2025

73 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-128942: make arraymodule.c free-thread safe (lock-free)

  #130771 commented on Jul 24, 2025 • 22 new comments

• gh-132661: PEP 750 documentation: second pass

  #137020 commented on Jul 24, 2025 • 19 new comments

• gh-136843: Document how multiple inheritance works

  #136844 commented on Jul 24, 2025 • 9 new comments

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

  #136611 commented on Jul 24, 2025 • 8 new comments

• gh-80744: do not read .pdbrc twice when cwd == $home

  #136816 commented on Jul 24, 2025 • 6 new comments

• gh-133125: Clarify ZipInfo.date_time attribute documentation

  #136082 commented on Jul 24, 2025 • 4 new comments

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

  #136305 commented on Jul 24, 2025 • 4 new comments

• gh-133158: Adjust c-analyzer max_sizes for typeobject.c

  #133159 commented on Jul 23, 2025 • 4 new comments

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

  #136004 commented on Jul 24, 2025 • 1 new comment

• gh-136507: Fix mimetypes CLI to handle multiple file parameters

  #136508 commented on Jul 23, 2025 • 1 new comment

• GH-116738: document thread-safety of bisect

  #136555 commented on Jul 24, 2025 • 1 new comment

• gh-136599: Improve long_hash

  #136600 commented on Jul 25, 2025 • 1 new comment

• gh-135427: Fix DeprecationWarning for os.fork when run in threads with -Werror

  #136796 commented on Jul 24, 2025 • 1 new comment

• Replace workflow with project automations

  #136831 commented on Jul 23, 2025 • 1 new comment

• gh-130693: Add options of the tkinter.Text.search method: -nolinestop -all -overlap -strictlimits

  #130848 commented on Jul 25, 2025 • 1 new comment

• gh-106318: Add example for str.format()

  #137018 commented on Jul 23, 2025 • 1 new comment

• gh-134261: ZipFile - Don't rely on local time for reproducible builds & tests

  #134264 commented on Jul 23, 2025 • 0 new comments

• gh-133146: Add the old public `get_value` method to documentation and refactor code.

  #133301 commented on Jul 25, 2025 • 0 new comments

• gh-135336: Add fast path to json string encoding

  #133239 commented on Jul 25, 2025 • 0 new comments

• gh-132416: document behavior of Path.symlink_to() when link or/and target already exist

  #132704 commented on Jul 23, 2025 • 0 new comments

• gh-134291: Add `unguarded-availability` check to JIT builds

  #134292 commented on Jul 25, 2025 • 0 new comments

• gh-131338: Disable new stack size code for non-glibc on linux.

  #134336 commented on Jul 25, 2025 • 0 new comments

• gh-131725: Generate GNU hash table in `msgfmt.py`

  #131727 commented on Jul 23, 2025 • 0 new comments

• gh-136065: Fix quadratic complexity in os.path.expandvars()

  #134952 commented on Jul 25, 2025 • 0 new comments

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

  #135488 commented on Jul 25, 2025 • 0 new comments

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

  #136165 commented on Jul 25, 2025 • 0 new comments

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

  #136189 commented on Jul 23, 2025 • 0 new comments

• gh-136306: Add support for SSL groups

  #136307 commented on Jul 25, 2025 • 0 new comments

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

  #136412 commented on Jul 24, 2025 • 0 new comments

• gh-74185: repr() of ImportError now contains attributes name and path

  #136770 commented on Jul 23, 2025 • 0 new comments

• gh-73065: Add Date header if missing in smtplib send_message

  #136850 commented on Jul 23, 2025 • 0 new comments

• gh-87112: Ensure that only ASCII digits are accepted as section number in MIME header parameter

  #136877 commented on Jul 23, 2025 • 0 new comments

• gh-136912: fix handling of `OverflowError` in `hmac.digest`

  #136917 commented on Jul 25, 2025 • 0 new comments

• gh-136968: fortify macro usage in cryptographic modules

  #136973 commented on Jul 25, 2025 • 0 new comments

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

  #136995 commented on Jul 25, 2025 • 0 new comments

• gh-124503: simplified ast.literal_eval

  #137010 commented on Jul 23, 2025 • 0 new comments

• gh-130577: tarfile now validates archives to ensure member offsets are non-negative

  #137027 commented on Jul 25, 2025 • 0 new comments

• datetime arithmetic during DST transitions is incorrect

  #116111 commented on Jul 24, 2025 • 0 new comments

• importlib.metadata lacks reference documentation

  #110937 commented on Jul 24, 2025 • 0 new comments

• Code object comparison could lead to monitoring issue

  #136223 commented on Jul 24, 2025 • 0 new comments

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

  #136578 commented on Jul 24, 2025 • 0 new comments

• Add notes to `ImportError` for common issues

  #127598 commented on Jul 24, 2025 • 0 new comments

• Emscripten build doesn't include `_decimal`, `_uuid`, `_ssl` or `_hashlib`

  #136976 commented on Jul 24, 2025 • 0 new comments

• Constant evaluate/propagate pure ops automatically

  #132732 commented on Jul 24, 2025 • 0 new comments

• `test_free_threading.test_monitoring` flaky (occasional reference leak)

  #136692 commented on Jul 24, 2025 • 0 new comments

• 3.14 regression: slot dataclasses classes leak original class

  #135228 commented on Jul 23, 2025 • 0 new comments

• Reword the Lexical Analysis chapter of the docs

  #135676 commented on Jul 23, 2025 • 0 new comments

• `http.cookies` should mention that `samesite=None` is valid as per RFC6265bis

  #136992 commented on Jul 23, 2025 • 0 new comments

• JIT: `executor->vm_data.valid` assertion failure in `unlink_executor`

  #136996 commented on Jul 23, 2025 • 0 new comments

• importlib.resources opens Windows device names

  #136516 commented on Jul 23, 2025 • 0 new comments

• ctypes _pack_ & _align_ documentation needs elaboration

  #136520 commented on Jul 23, 2025 • 0 new comments

• docs: fix codecs table data

  #123441 commented on Jul 23, 2025 • 0 new comments

• msgfmt: Generate GNU hash table

  #131725 commented on Jul 23, 2025 • 0 new comments

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

  #55531 commented on Jul 23, 2025 • 0 new comments

• Documentation enhancement proposal: explainer for asyncio

  #137026 commented on Jul 23, 2025 • 0 new comments

• gh-128862: use importlib.resources to acquire doctest resources

  #128865 commented on Jul 25, 2025 • 0 new comments

• gh-87646: Make `tempfile.NamedTemporaryFile` and `TemporaryDirectory` path-like

  #114765 commented on Jul 25, 2025 • 0 new comments

• `inspect.get_source(lambda)` improvement

  #136521 commented on Jul 25, 2025 • 0 new comments

• Stack overflow test errors in Alpine after GH-130398

  #131338 commented on Jul 25, 2025 • 0 new comments

• Crash on _ssl__SSLContext_load_cert_chain_impl (requests running w/ cert in multi-threading)

  #134698 commented on Jul 25, 2025 • 0 new comments

• Implement `reprlib.repr_args`

  #136808 commented on Jul 25, 2025 • 0 new comments

• Make it easier to extend zipfile code

  #136741 commented on Jul 25, 2025 • 0 new comments

• Refactor zipfile to ease subclassing and enhancement

  #81719 commented on Jul 25, 2025 • 0 new comments

• Allow applications to tune the condition that triggers a GIL release and implementation choice in hashlib

  #91331 commented on Jul 25, 2025 • 0 new comments

• class _IPv6Constants._reserved_networks should include fec0::/10

  #136832 commented on Jul 25, 2025 • 0 new comments

• Embedded Python creates a large number of memory leaks when trying to load a non-existent module

  #137005 commented on Jul 25, 2025 • 0 new comments

• `test_perf_profiler` fails on aarch64 Fedora Stable buildbots

  #131038 commented on Jul 25, 2025 • 0 new comments

• Make it possible for the jit to deopt to tier1 upon interrupts

  #132532 commented on Jul 25, 2025 • 0 new comments

• [3.14] change in behaviour in gc.get_referrers(some_local)

  #125603 commented on Jul 25, 2025 • 0 new comments

• strxfrm fails on macOS 15 with OSError: [Errno 22] Invalid argument

  #130567 commented on Jul 25, 2025 • 0 new comments

• Docstrings for some methods in the datetime module are not very clear or helpful

  #97517 commented on Jul 25, 2025 • 0 new comments

• possible race-condition with python-doc

  #130979 commented on Jul 25, 2025 • 0 new comments

• Segfault in gc while finalizing

  #135115 commented on Jul 24, 2025 • 0 new comments