bpo-43795: Note Stable ABI PEP in What's New (GH-26479) (GH-26603)

(cherry picked from commit 257e400a19b34c7da6e2aa500d80b54e4c4dbf6f)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index af67582533dd183c021dc952bf36f9495e1d93b0..9b2847da58601773243a3d0a68a0dbcaac47d9ab 100644 (file)
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -1798,6 +1798,16 @@ Build Changes
 C API Changes
 =============
 
+PEP 652: Maintaining the Stable ABI
+-----------------------------------
+
+The Stable ABI (Application Binary Interface) for extension modules or
+embedding Python is now explicitly defined.
+:ref:`stable` describes C API and ABI stability guarantees along with best
+practices for using the Stable ABI.
+
+(Contributed by Petr Viktorin in :pep:`652` and :issue:`43795`.)
+
 New Features
 ------------