Import upstream CPython branch '3.14'

Summary:
Python `3.14.0rc2+` (`3.14`) was **published** on 2025-08-20 17:19:45+00:00.

# Commit Info

Base: (`3.14.0rc2+`) - `3fa5a4beb4b5fa7ad7e55351b07a2e8f8f4263f5` (commit date: 2025-08-19 11:27:36+00:00)
Imported: (`3.14.0rc2+`) - `3.14` (commit date: 2025-08-20 17:19:45+00:00)

Reviewed By: itamaro

Differential Revision: D80699929

fbshipit-source-id: ec8dd6db1df848443d954d9a0ef010640722e3f8

Author: generatedunixname1734921407115435

Doc/library/dataclasses.rst

@@ -161,9 +161,11 @@ Module contents
      :class:`object`, this means it will fall back to id-based hashing).
 
    - *frozen*: If true (the default is ``False``), assigning to fields will
-     generate an exception.  This emulates read-only frozen instances.  If
-     :meth:`~object.__setattr__` or :meth:`~object.__delattr__` is defined in the class, then
-     :exc:`TypeError` is raised.  See the discussion below.
+     generate an exception.  This emulates read-only frozen instances.
+     See the :ref:`discussion <dataclasses-frozen>` below.
+
+     If :meth:`~object.__setattr__` or :meth:`~object.__delattr__` is defined in the class
+     and *frozen* is true, then :exc:`TypeError` is raised.
 
    - *match_args*: If true (the default is ``True``), the
      :attr:`~object.__match_args__` tuple will be created from the list of

Tools/msi/bundle/Default.wxl

@@ -92,7 +92,7 @@ Select Customize to review current options.</String>
   <String Id="PrecompileLabel">&amp;Precompile standard library</String>
   <String Id="Include_symbolsLabel">Download debugging &amp;symbols</String>
   <String Id="Include_debugLabel">Download debu&amp;g binaries (requires VS 2017 or later)</String>
-  <String Id="Include_freethreadedLabel">Download &amp;free-threaded binaries (experimental)</String>
+  <String Id="Include_freethreadedLabel">Download &amp;free-threaded binaries</String>
 
   <String Id="ProgressHeader">[ActionLikeInstallation] Progress</String>
   <String Id="ProgressLabel">[ActionLikeInstalling]:</String>