Merge tag 'v9.18.20' into bind-9.18

diff --cc doc/arm/notes.rst
index bc18cea075abb85446f701e111f4faaa9345eb5c,d914e91c6b08711b50040f7061d6093120d5a006..7a51b557fad83245b25c602c1f6f460989ebfeae
--- 1/doc/arm/notes.rst
--- 2/doc/arm/notes.rst
+++ b/doc/arm/notes.rst
@@@ -35,7 -35,7 +35,8 @@@ information about each release, and sou
  
  .. include:: ../notes/notes-known-issues.rst
  
 +.. include:: ../notes/notes-current.rst
+ .. include:: ../notes/notes-9.18.20.rst
  .. include:: ../notes/notes-9.18.19.rst
  .. include:: ../notes/notes-9.18.18.rst
  .. include:: ../notes/notes-9.18.17.rst