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

[Victor Stinner]

https://github.com/python/cpython/commit/337d3103a2344e1fec75985e85fabcbdedac7d26
commit: 337d3103a2344e1fec75985e85fabcbdedac7d26
branch: master
author: Victor Stinner <vstinner at python.org>
committer: GitHub <noreply at github.com>
date: 2020-06-02T12:02:58+02:00
summary:

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

files:
M Doc/whatsnew/3.9.rst

diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index ccc84cced1090..b20cd14565ae1 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
 -------