Merge branch 'main' into issue-133875

python · sobolevn · Jul 19, 2025 · May 11, 2025 · May 11, 2025 · Jun 27, 2025
commit 0e1745372bb4a43938077b4690c3ca3bef65c836
diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
@@ -373,6 +373,14 @@ http.server
   (Contributed by Bénédikt Tran in :gh:`133810`.)
 
 
+pathlib
+-------
+
+* Removed deprecated :meth:`!pathlib.PurePath.is_reserved`.
+  Use :func:`os.path.isreserved` to detect reserved paths on Windows.
+  (Contributed by Nikita Sobolev in :gh:`133875`.)
+
+
 platform
 --------
 
@@ -475,9 +483,13 @@ Porting to Python 3.15
 
   (Contributed by Serhiy Storchaka in :gh:`133595`.)
 
-* Removed deprecated :meth:`!pathlib.PurePath.is_reserved`.
-  Use :func:`os.path.isreserved` to detect reserved paths on Windows.
-  (Contributed by Nikita Sobolev in :gh:`133875`.)
+* Private functions promoted to public C APIs:
+
+  * ``PyMutex_IsLocked()`` : :c:func:`PyMutex_IsLocked`
+
+  The |pythoncapi_compat_project| can be used to get most of these new
+  functions on Python 3.14 and older.
+
 
 Deprecated C APIs
 -----------------