cherry-pick changelog update for 1.3.21

diff --git a/doc/build/changelog/changelog_13.rst b/doc/build/changelog/changelog_13.rst
index b2b56d2daf214c00f2beb02c768cac69c8bb9a8f..47f14716380142fdc3d628d7c76b31d509c41cf3 100644 (file)
--- a/doc/build/changelog/changelog_13.rst
+++ b/doc/build/changelog/changelog_13.rst
@@ -10,6 +10,10 @@
     .. include:: changelog_11.rst
         :start-line: 5
 
+.. changelog::
+    :version: 1.3.21
+    :include_notes_from: unreleased_13
+
 .. changelog::
     :version: 1.3.20
     :released: October 12, 2020