Add news and whatsnew entries

Author: sergey-miryanov

Doc/whatsnew/3.14.rst

@@ -510,6 +510,11 @@ ctypes
   loaded by the current process.
   (Contributed by Brian Ward in :gh:`119349`.)
 
+* Move :func:`ctypes.POINTER` types cache from the global ``_pointer_type_cache``
+  to the corresponding :mod:`ctypes` types. This will stop the cache from
+  growing without limits in some situations.
+  (Contributed by Sergey Miryanov in :gh:`100926`).
+
 datetime
 --------
 

Misc/NEWS.d/next/Library/2025-03-17-23-07-57.gh-issue-100926.B8gcbz.rst

@@ -0,0 +1,2 @@
+Move :func:`ctypes.POINTER` types cache from the global ``_pointer_type_cache``
+to the corresponding :mod:`ctypes` types to avoid unlimited growth of the cache.