From: Victor Stinner <vstinner@python.org>
Date: Tue, 2 Jun 2020 10:02:58 +0000 (+0200)
Subject: bpo-40241: What's New in Python 3.9: opaque PyGC_Head (GH-20586)
X-Git-Tag: v3.10.0a1~743
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=337d3103a2344e1fec75985e85fabcbdedac7d26;p=thirdparty%2FPython%2Fcpython.git

bpo-40241: What's New in Python 3.9: opaque PyGC_Head (GH-20586)
---

diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index ccc84cced109..b20cd14565ae 100644
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -1098,6 +1098,10 @@ Porting to Python 3.9
   and refers to a constant string.
   (Contributed by Serhiy Storchaka in :issue:`38650`.)
 
+* The :c:type:`PyGC_Head` structure is now opaque. It is only defined in the
+  internal C API (``pycore_gc.h``).
+  (Contributed by Victor Stinner in :issue:`40241`.)
+
 
 Removed
 -------