Import CPython 3.14.5+ stable branch (2026-06-04)

Summary:
Imported python/cpython `3.14.5+` from upstream rev [`045bc6b`](https://www.github.com/python/cpython/commit/045bc6bcbf16a229500ce029a333314654916866) (committed 2026-06-04 00:21:15+00:00).

# Commit Info

- Base: (`3.14.5+`) - [`861ab65`](https://www.github.com/python/cpython/commit/861ab650c9dc3ac01cd9390d4d68df2a5b4aa51f) (commit date: 2026-06-02 13:05:49+00:00)
- Imported: (`3.14.5+`) - [`045bc6b`](https://www.github.com/python/cpython/commit/045bc6bcbf16a229500ce029a333314654916866) (commit date: 2026-06-04 00:21:15+00:00)

# Noteworthy file changes

- Low-signal files (4 added) (NEWS.d, docs, .github)

Complete list of added/removed files: https://www.internalfb.com/intern/everpaste/?color=0&handle=GG2SMSNU3M9r_kkFAN47iY9qk0AAbr0LAAAz

Reviewed By: itamaro

Differential Revision: D107509434

fbshipit-source-id: eea177d48a34abd39aa27a98ff463b7edd6e9bb6

Author: generatedunixname1734921407115435

Doc/c-api/typehints.rst

@@ -31,7 +31,7 @@ two types exist -- :ref:`GenericAlias <types-genericalias>` and
       static PyMethodDef my_obj_methods[] = {
           // Other methods.
           ...
-          {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, "See PEP 585"}
+          {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, "my_obj is generic over its contained type"}
           ...
       }
 

Doc/conf.py

@@ -8,15 +8,13 @@
 
 import os
 import sys
-from importlib import import_module
 from importlib.util import find_spec
 
 # Make our custom extensions available to Sphinx
 sys.path.append(os.path.abspath('tools/extensions'))
 sys.path.append(os.path.abspath('includes'))
 
-# Python specific content from Doc/Tools/extensions/pyspecific.py
-from pyspecific import SOURCE_URI
+from patchlevel import get_header_version_info, get_version_info
 
 # General configuration
 # ---------------------
@@ -77,7 +75,7 @@
 # We look for the Include/patchlevel.h file in the current Python source tree
 # and replace the values accordingly.
 # See Doc/tools/extensions/patchlevel.py
-version, release = import_module('patchlevel').get_version_info()
+version, release = get_version_info()
 
 rst_epilog = f"""
 .. |python_version_literal| replace:: ``Python {version}``
@@ -555,16 +553,20 @@
     r'https://unix.org/version2/whatsnew/lp64_wp.html',
 ]
 
+
 # Options for sphinx.ext.extlinks
 # -------------------------------
 
+v = get_header_version_info()
+branch = "main" if v.releaselevel == "alpha" else f"{v.major}.{v.minor}"
+
 # This config is a dictionary of external sites,
 # mapping unique short aliases to a base URL and a prefix.
 # https://www.sphinx-doc.org/en/master/usage/extensions/extlinks.html
 extlinks = {
     "oss-fuzz": ("https://issues.oss-fuzz.com/issues/%s", "#%s"),
     "pypi": ("https://pypi.org/project/%s/", "%s"),
-    "source": (SOURCE_URI, "%s"),
+    "source": (f"https://github.com/python/cpython/tree/{branch}/%s", "%s"),
 }
 extlinks_detect_hardcoded_links = True
 

Doc/library/array.rst

@@ -106,6 +106,8 @@ The module defines the following type:
    :exc:`TypeError` is raised. Array objects also implement the buffer interface,
    and may be used wherever :term:`bytes-like objects <bytes-like object>` are supported.
 
+   Arrays are :ref:`generic <generics>` over the type of their contents.
+
    .. audit-event:: array.__new__ typecode,initializer array.array
 
 

Doc/library/asyncio-future.rst

@@ -101,6 +101,8 @@ Future Object
    implementations can inject their own optimized implementations
    of a Future object.
 
+   Futures are :ref:`generic <generics>` over the type of their results.
+
    .. versionchanged:: 3.7
       Added support for the :mod:`contextvars` module.
 

Doc/library/asyncio-task.rst

@@ -1248,6 +1248,9 @@ Task object
    blocks. If the coroutine returns or raises without blocking, the task
    will be finished eagerly and will skip scheduling to the event loop.
 
+   Tasks are :ref:`generic <generics>` over the return type of their wrapped
+   coroutines.
+
    .. versionchanged:: 3.7
       Added support for the :mod:`contextvars` module.
 

Doc/library/collections.rst

@@ -480,6 +480,8 @@ or subtracting from an empty counter.
     Unix. They are also useful for tracking transactions and other pools of data
     where only the most recent activity is of interest.
 
+    Deques are :ref:`generic <generics>` over the type of their contents.
+
 
     Deque objects support the following methods:
 
@@ -735,6 +737,9 @@ stack manipulations such as ``dup``, ``drop``, ``swap``, ``over``, ``pick``,
     as if they were passed to the :class:`dict` constructor, including keyword
     arguments.
 
+    :class:`!defaultdict`\s are :ref:`generic <generics>` over two types,
+    signifying (respectively) the types of the dictionary's keys and values.
+
 
     :class:`defaultdict` objects support the following method in addition to the
     standard :class:`dict` operations:

Doc/library/contextvars.rst

@@ -44,6 +44,9 @@ Context Variables
    references to context variables which prevents context variables
    from being properly garbage collected.
 
+   :class:`!ContextVar`\s are :ref:`generic <generics>` over the type of
+   their contained value.
+
    .. attribute:: ContextVar.name
 
       The name of the variable.  This is a read-only property.
@@ -132,6 +135,9 @@ Context Variables
    Tokens support the :ref:`context manager protocol <context-managers>`
    to automatically reset context variables. See :meth:`ContextVar.set`.
 
+   Tokens are :ref:`generic <generics>` over the same type as the
+   :class:`ContextVar` which created them.
+
    .. versionadded:: 3.14
 
       Added support for usage as a context manager.

Doc/library/ctypes.rst

@@ -3167,6 +3167,8 @@ Arrays and pointers
    subscript and slice accesses; for slice reads, the resulting object is
    *not* itself an :class:`Array`.
 
+   Arrays are :ref:`generic <generics>` over the type of their elements.
+
 
    .. attribute:: _length_
 

Doc/library/exceptions.rst

@@ -971,6 +971,9 @@ their subgroups based on the types of the contained exceptions.
    raises a :exc:`TypeError` if any contained exception is not an
    :exc:`Exception` subclass.
 
+   Exception groups are :ref:`generic <generics>` over the type of their
+   contained exceptions.
+
    .. impl-detail::
 
       The ``excs`` parameter may be any sequence, but lists and tuples are

Doc/library/io.rst

@@ -829,9 +829,9 @@ than raw I/O does.
 
 .. class:: BufferedRandom(raw, buffer_size=DEFAULT_BUFFER_SIZE)
 
-   A buffered binary stream providing higher-level access to a seekable
-   :class:`RawIOBase` raw binary stream.  It inherits from :class:`BufferedReader`
-   and :class:`BufferedWriter`.
+   A buffered binary stream implementing :class:`BufferedIOBase` interfaces
+   providing higher-level access to a seekable :class:`RawIOBase` raw binary
+   stream.
 
    The constructor creates a reader and writer for a seekable raw stream, given
    in the first argument.  If the *buffer_size* is omitted it defaults to