diff --git a/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po b/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
index 5b8a4ff75..da8ed5415 100644
--- a/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
+++ b/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
@@ -10,11 +10,11 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Barbican Release Notes\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-17 15:31+0000\n"
+"POT-Creation-Date: 2024-08-27 18:34+0000\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"PO-Revision-Date: 2024-07-10 12:13+0000\n"
+"PO-Revision-Date: 2024-09-04 09:49+0000\n"
 "Last-Translator: Andi Chandler <andi@gowling.com>\n"
 "Language-Team: English (United Kingdom)\n"
 "Language: en_GB\n"
@@ -51,6 +51,9 @@ msgstr "11.0.0-24"
 msgid "12.0.0"
 msgstr "12.0.0"
 
+msgid "12.0.0.0rc1"
+msgstr "12.0.0.0rc1"
+
 msgid "12.0.1"
 msgstr "12.0.1"
 
@@ -72,8 +75,8 @@ msgstr "17.0.0"
 msgid "18.0.0"
 msgstr "18.0.0"
 
-msgid "18.0.0-15"
-msgstr "18.0.0-15"
+msgid "18.0.0-20"
+msgstr "18.0.0-20"
 
 msgid "2.0.0"
 msgstr "2.0.0"
@@ -349,6 +352,15 @@ msgstr ""
 "Fixed Story 2009664 - Fixed the Consumer controller to be able to use the "
 "associated Container's ownership information in policy checks."
 
+msgid ""
+"Fixed the response code for invalid subroutes for individual secrets.  The "
+"API was previously responding with the incorrect code \"405 - Method not "
+"allowed\", but now responds correctly with \"404 - Not Found\"."
+msgstr ""
+"Fixed the response code for invalid subroutes for individual secrets.  The "
+"API was previously responding with the incorrect code \"405 - Method not "
+"allowed\", but now responds correctly with \"404 - Not Found\"."
+
 msgid ""
 "Fixed the response code for invalid subroutes for individual secrets.  The "
 "API was previously responding with the incorrect code \"406 - Method not "
@@ -445,6 +457,29 @@ msgstr "Mitaka Series Release Notes"
 msgid "New Features"
 msgstr "New Features"
 
+msgid ""
+"New feature to support multiple secret store plugin backends. This feature "
+"is not enabled by default. To use this feature, the relevant feature flag "
+"needs to be enabled and supporting configuration needs to be added in the "
+"service configuration. Once enabled, a project administrator will be able to "
+"specify one of the available secret store backends as a preferred secret "
+"store for their project secrets. This secret store preference applies only "
+"to new secrets (key material) created or stored within that project. "
+"Existing secrets are not impacted. See http://docs.openstack.org/developer/"
+"barbican/setup/plugin_backends.html for instructions on how to setup "
+"Barbican multiple backends, and the API documentation for further details."
+msgstr ""
+"New feature to support multiple secret store plugin backends. This feature "
+"is not enabled by default. To use this feature, the relevant feature flag "
+"needs to be enabled and supporting configuration needs to be added in the "
+"service configuration. Once enabled, a project administrator will be able to "
+"specify one of the available secret store backends as a preferred secret "
+"store for their project secrets. This secret store preference applies only "
+"to new secrets (key material) created or stored within that project. "
+"Existing secrets are not impacted. See http://docs.openstack.org/developer/"
+"barbican/setup/plugin_backends.html for instructions on how to setup "
+"Barbican multiple backends, and the API documentation for further details."
+
 msgid ""
 "New feature to support multiple secret store plugin backends. This feature "
 "is not enabled by default. To use this feature, the relevant feature flag "
@@ -487,6 +522,17 @@ msgstr ""
 "Now Barbican uses oslo.db for database connection. The features implemented "
 "in oslo.db can be now leveraged in Barbican."
 
+msgid ""
+"Now within a single deployment, multiple secret store plugin backends can be "
+"configured and used. With this change, a project administrator can pre-"
+"define a preferred plugin backend for storing their secrets. New APIs are "
+"added to manage this project level secret store preference."
+msgstr ""
+"Now within a single deployment, multiple secret store plugin backends can be "
+"configured and used. With this change, a project administrator can pre-"
+"define a preferred plugin backend for storing their secrets. New APIs are "
+"added to manage this project level secret store preference."
+
 msgid ""
 "Now within a single deployment, multiple secret store plugin backends can be "
 "configured and used. With this change, a project adminstrator can pre-define "