add What's New entry

Author: picnixz

Doc/whatsnew/3.14.rst

@@ -216,6 +216,13 @@ ast
   (Contributed by Irit Katriel in :gh:`123958`.)
 
 
+codecs
+------
+
+* Added :func:`codecs.unregister_error` to un-register custom error handlers.
+  (Contributed by Bénédikt Tran in :gh:`124665`.)
+
+
 ctypes
 ------
 
@@ -672,6 +679,10 @@ New Features
   <https://peps.python.org/pep-0630/#type-checking>`__ mentioned in :pep:`630`
   (:gh:`124153`).
 
+* Add :c:func:`PyCodec_UnregisterError` to the limited C API to un-register
+  custom error handlers.
+  (Contributed by Bénédikt Tran in :gh:`124665`.)
+
 
 Porting to Python 3.14
 ----------------------