From c30b55b96c0967e3a8b3b86f25eb012a97f360a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Mon, 16 Oct 2017 14:39:08 -0700
Subject: [PATCH] bpo-31558: Update NEWS and ACKS (#4013)

---
 Misc/ACKS                                                    | 1 +
 .../2017-10-16-14-27-25.bpo-31558.K-uRRm.rst                 | 5 +++++
 2 files changed, 6 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Core and Builtins/2017-10-16-14-27-25.bpo-31558.K-uRRm.rst

diff --git a/Misc/ACKS b/Misc/ACKS
index 0f6ac7d898a..38f68aca214 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -919,6 +919,7 @@ William Lewis
 Akira Li
 Robert Li
 Xuanji Li
+Zekun Li
 Robert van Liere
 Ross Light
 Shawn Ligocki
diff --git a/Misc/NEWS.d/next/Core and Builtins/2017-10-16-14-27-25.bpo-31558.K-uRRm.rst b/Misc/NEWS.d/next/Core and Builtins/2017-10-16-14-27-25.bpo-31558.K-uRRm.rst
new file mode 100644
index 00000000000..d502f15ad67
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2017-10-16-14-27-25.bpo-31558.K-uRRm.rst	
@@ -0,0 +1,5 @@
+``gc.freeze()`` is a new API that allows for moving all objects currently
+tracked by the garbage collector to a permanent generation, effectively
+removing them from future collection events. This can be used to protect
+those objects from having their PyGC_Head mutated. In effect, this enables
+great copy-on-write stability at fork().