diff --git a/README.md b/README.md
index a0b7d61532490742ec4e7eeef4d057e046f5b61c..38102d53476c19cd9a6e34c2858c35a2b19383e1 100644
--- a/README.md
+++ b/README.md
@@ -4,67 +4,67 @@ This project supports documentation and meta-activities for release-management.
 
 ## Release Plans
 
-| Name   | Development/Alpha Period | RC/Beta Period  | Release Date   | Stable Period |
-| ------ | ------------------------ | --------------- |----------------| ------------- |
-| 5.58.x | Dec 2022                 | Jan 2023        | Feb 1, 2023    | Feb 2023      |
-| 5.57.x | Nov 2022                 | Dec 2022        | Jan 4, 2023    | Jan 2023 (tentative [ESR](https://civicrm.org/esr))      |
-| 5.56.x | Oct 2022                 | Nov 2022        | Dec 7, 2022    | Dec 2022      |
-| 5.55.x | Sep 2022                 | Oct 2022        | Nov 2, 2022    | Nov 2022      |
-| 5.54.x | Aug 2022                 | Sep 2022        | Oct 5, 2022    | Oct 2022      |
-| 5.53.x | Jul 2022                 | Aug 2022        | Sep 7, 2022    | Sep 2022      |
-| 5.52.x | Jun 2022                 | Jul 2022        | Aug 3, 2022    | Aug 2022      |
-| 5.51.x | May 2022                 | Jun 2022        | Jul 6, 2022    | Jul 2022 plus [ESR](https://civicrm.org/esr)  |
-| 5.50.x | Apr 2022                 | May 2022        | Jun 1, 2022    | Jun 2022      |
-| 5.49.x | Mar 2022                 | Apr 2022        | May 4, 2022    | May 2022      |
-| 5.48.x | Feb 2022                 | Mar 2022        | Apr 6, 2022    | Apr 2022      |
-| 5.47.x | Jan 2022                 | Feb 2022        | Mar 2, 2022    | Mar 2022      |
-| 5.46.x | Dec 2021                 | Jan 2022        | Feb 2, 2022    | Feb 2022      |
-| 5.45.x | Nov 2021                 | Dec 2021        | Jan 5, 2022    | Jan 2022 plus [ESR](https://civicrm.org/esr) |
-| 5.44.x | Oct 2021                 | Nov 2021        | Dec 1, 2021    | Dec 2021      |
-| 5.43.x | Sep 2021                 | Oct 2021        | Nov 3, 2021    | Nov 2021      |
-| 5.42.x | Aug 2021                 | Sep 2021        | Oct 6, 2021    | Oct 2021      |
-| 5.41.x | Jul 2021                 | Aug 2021        | Sep 1, 2021    | Sep 2021      |
-| 5.40.x | Jun 2021                 | Jul 2021        | Aug 4, 2021    | Aug 2021      |
-| 5.39.x | May 2021                 | Jun 2021        | Jul 7, 2021    | Jul 2021 plus [ESR](https://civicrm.org/esr) |
-| 5.38.x | Apr 2021                 | May 2021        | Jun 2, 2021    | Jun 2021      |
-| 5.37.x | Mar 2021                 | Apr 2021        | May 5, 2021    | May 2021      |
-| 5.36.x | Feb 2021                 | Mar 2021        | Apr 7, 2021    | Apr 2021      |
-| 5.35.x | Jan 2021                 | Feb 2021        | Mar 3, 2021    | Mar 2021      |
-| 5.34.x | Dec 2020                 | Jan 2021        | Feb 3, 2021    | Feb 2021      |
-| 5.33.x | Nov 2020                 | Dec 2020        | Jan 6, 2021    | Jan 2021 plus [ESR](https://civicrm.org/esr) |
-| 5.32.x | Oct 2020                 | Nov 2020        | Dec 2, 2020    | Dec 2020      |
-| 5.31.x | Sep 2020                 | Oct 2020        | Nov 4, 2020    | Nov 2020      |
-| 5.30.x | Aug 2020                 | Sep 2020        | Oct 7, 2020    | Oct 2020      |
-| 5.29.x | Jul 2020                 | Aug 2020        | Sep 2, 2020    | Sep 2020      |
-| 5.28.x | Jun 2020                 | Jul 2020        | Aug 5, 2020    | Aug 2020      |
-| 5.27.x | May 2020                 | Jun 2020        | Jul 1, 2020    | Jul 2020 plus [ESR](https://civicrm.org/esr)  |
-| 5.26.x | Apr 2020                 | May 2020        | Jun 3, 2020    | Jun 2020      |
-| 5.25.x | Mar 2020                 | Apr 2020        | May 6, 2020    | May 2020      |
-| 5.24.x | Feb 2020                 | Mar 2020        | Apr 1, 2020    | Apr 2020      |
-| 5.23.x | Jan 2020                 | Feb 2020        | Mar 4, 2020    | Mar 2020      |
-| 5.22.x | Dec 2019                 | Jan 2020        | Feb 5, 2020    | Feb 2020      |
-| 5.21.x | Nov 2019                 | Dec 2019        | Jan 1, 2020    | Jan 2020 plus [ESR](https://civicrm.org/esr) |
-| 5.20.x | Oct 2019                 | Nov 2019        | Dec 4, 2019    | Dec 2019      |
-| 5.19.x | Sep 2019                 | Oct 2019        | Nov 6, 2019    | Nov 2019      |
-| 5.18.x | Aug 2019                 | Sep 2019        | Oct 2, 2019    | Oct 2019      |
-| 5.17.x | Jul 2019                 | Aug 2019        | Sep 4, 2019    | Sep 2019      |
-| 5.16.x | Jun 2019                 | Jul 2019        | Aug 7, 2019    | Aug 2019      |
-| 5.15.x | May 2019                 | Jun 2019        | Jul 3, 2019    | Jul 2019      |
-| 5.14.x | Apr 2019                 | May 2019        | Jun 5, 2019    | Jun 2019      |
-| 5.13.x | Mar 2019                 | Apr 2019        | May 1, 2019    | May 2019 plus [ESR](https://civicrm.org/esr) |
-| 5.12.x | Feb 2019                 | Mar 2019        | Apr 3, 2019    | Apr 2019      |
-| 5.11.x | Jan 2019                 | Feb 2019        | Mar 6, 2019    | Mar 2019      |
-| 5.10.x | Dec 2018                 | Jan 2019        | Feb 7, 2019    | Feb 2019      |
-| 5.9.x  | Nov 2018                 | Dec 2018        | Jan 2, 2019    | Jan 2019      |
-| 5.8.x  | Oct 2018                 | Nov 2018        | Dec 5, 2018    | Dec 2018      |
-| 5.7.x  | Sep 2018                 | Oct 2018        | Nov 7, 2018    | Nov 2018 plus [ESR](https://civicrm.org/esr) |
-| 5.6.x  | Aug 2018                 | Sep 2018        | Oct 3, 2018    | Oct 2018      |
-| 5.5.x  | Jul 2018                 | Aug 2018        | Sep 5, 2018    | Sep 2018      |
-| 5.4.x  | Jun 2018                 | Jul 2018        | Aug 1, 2018    | Aug 2018      |
-| 5.3.x  | May 2018                 | Jun 2018        | Jul 3, 2018    | Jul 2018      |
-| 5.2.x  | Apr 2018                 | May 2018        | Jun 6, 2018    | Jun 2018      |
-| 5.1.x  | Mar 2018                 | Apr 2018        | May 2, 2018    | May 2018      |
-| 5.0.x  | Feb 2018                 | Mar 2018        | Apr 4, 2018    | Apr 2018      |
+| Name   | Development/Alpha Period | RC/Beta Period  | Release Date   | Stable Period | [Extended Security Period](https://civicrm.org/esr) |
+| ------ | ------------------------ | --------------- |----------------| ------------- | ----------------------- |
+| 5.58.x | Dec 2022                 | Jan 2023        | Feb 1, 2023    | Feb 2023      |      |
+| 5.57.x | Nov 2022                 | Dec 2022        | Jan 4, 2023    | Jan 2023      | Feb 2023 - Jul 2023 (incl) <br/>(tentative) |
+| 5.56.x | Oct 2022                 | Nov 2022        | Dec 7, 2022    | Dec 2022      |      |
+| 5.55.x | Sep 2022                 | Oct 2022        | Nov 2, 2022    | Nov 2022      |      |
+| 5.54.x | Aug 2022                 | Sep 2022        | Oct 5, 2022    | Oct 2022      |      |
+| 5.53.x | Jul 2022                 | Aug 2022        | Sep 7, 2022    | Sep 2022      |      |
+| 5.52.x | Jun 2022                 | Jul 2022        | Aug 3, 2022    | Aug 2022      |      |
+| 5.51.x | May 2022                 | Jun 2022        | Jul 6, 2022    | Jul 2022      | Aug 2022 - Jan 2023 (incl) |
+| 5.50.x | Apr 2022                 | May 2022        | Jun 1, 2022    | Jun 2022      |      |
+| 5.49.x | Mar 2022                 | Apr 2022        | May 4, 2022    | May 2022      |      |
+| 5.48.x | Feb 2022                 | Mar 2022        | Apr 6, 2022    | Apr 2022      |      |
+| 5.47.x | Jan 2022                 | Feb 2022        | Mar 2, 2022    | Mar 2022      |      |
+| 5.46.x | Dec 2021                 | Jan 2022        | Feb 2, 2022    | Feb 2022      |      |
+| 5.45.x | Nov 2021                 | Dec 2021        | Jan 5, 2022    | Jan 2022      | Feb 2022 - Jul 2022 (incl) |
+| 5.44.x | Oct 2021                 | Nov 2021        | Dec 1, 2021    | Dec 2021      |      |
+| 5.43.x | Sep 2021                 | Oct 2021        | Nov 3, 2021    | Nov 2021      |      |
+| 5.42.x | Aug 2021                 | Sep 2021        | Oct 6, 2021    | Oct 2021      |      |
+| 5.41.x | Jul 2021                 | Aug 2021        | Sep 1, 2021    | Sep 2021      |      |
+| 5.40.x | Jun 2021                 | Jul 2021        | Aug 4, 2021    | Aug 2021      |      |
+| 5.39.x | May 2021                 | Jun 2021        | Jul 7, 2021    | Jul 2021      | Aug 2021 - Jan 2022 (incl) |
+| 5.38.x | Apr 2021                 | May 2021        | Jun 2, 2021    | Jun 2021      |      |
+| 5.37.x | Mar 2021                 | Apr 2021        | May 5, 2021    | May 2021      |      |
+| 5.36.x | Feb 2021                 | Mar 2021        | Apr 7, 2021    | Apr 2021      |      |
+| 5.35.x | Jan 2021                 | Feb 2021        | Mar 3, 2021    | Mar 2021      |      |
+| 5.34.x | Dec 2020                 | Jan 2021        | Feb 3, 2021    | Feb 2021      |      |
+| 5.33.x | Nov 2020                 | Dec 2020        | Jan 6, 2021    | Jan 2021      | Feb 2021 - Jul 2021 (incl) |
+| 5.32.x | Oct 2020                 | Nov 2020        | Dec 2, 2020    | Dec 2020      |      |
+| 5.31.x | Sep 2020                 | Oct 2020        | Nov 4, 2020    | Nov 2020      |      |
+| 5.30.x | Aug 2020                 | Sep 2020        | Oct 7, 2020    | Oct 2020      |      |
+| 5.29.x | Jul 2020                 | Aug 2020        | Sep 2, 2020    | Sep 2020      |      |
+| 5.28.x | Jun 2020                 | Jul 2020        | Aug 5, 2020    | Aug 2020      |      |
+| 5.27.x | May 2020                 | Jun 2020        | Jul 1, 2020    | Jul 2020      | Aug 2020 - Jan 2021 (incl) |
+| 5.26.x | Apr 2020                 | May 2020        | Jun 3, 2020    | Jun 2020      |      |
+| 5.25.x | Mar 2020                 | Apr 2020        | May 6, 2020    | May 2020      |      |
+| 5.24.x | Feb 2020                 | Mar 2020        | Apr 1, 2020    | Apr 2020      |      |
+| 5.23.x | Jan 2020                 | Feb 2020        | Mar 4, 2020    | Mar 2020      |      |
+| 5.22.x | Dec 2019                 | Jan 2020        | Feb 5, 2020    | Feb 2020      |      |
+| 5.21.x | Nov 2019                 | Dec 2019        | Jan 1, 2020    | Jan 2020      | Feb 2020 - Jul 2020 (incl) |
+| 5.20.x | Oct 2019                 | Nov 2019        | Dec 4, 2019    | Dec 2019      |      |
+| 5.19.x | Sep 2019                 | Oct 2019        | Nov 6, 2019    | Nov 2019      |      |
+| 5.18.x | Aug 2019                 | Sep 2019        | Oct 2, 2019    | Oct 2019      |      |
+| 5.17.x | Jul 2019                 | Aug 2019        | Sep 4, 2019    | Sep 2019      |      |
+| 5.16.x | Jun 2019                 | Jul 2019        | Aug 7, 2019    | Aug 2019      |      |
+| 5.15.x | May 2019                 | Jun 2019        | Jul 3, 2019    | Jul 2019      |      |
+| 5.14.x | Apr 2019                 | May 2019        | Jun 5, 2019    | Jun 2019      |      |
+| 5.13.x | Mar 2019                 | Apr 2019        | May 1, 2019    | May 2019      | Jun 2019 - Jan 2020 (incl) |
+| 5.12.x | Feb 2019                 | Mar 2019        | Apr 3, 2019    | Apr 2019      |      |
+| 5.11.x | Jan 2019                 | Feb 2019        | Mar 6, 2019    | Mar 2019      |      |
+| 5.10.x | Dec 2018                 | Jan 2019        | Feb 7, 2019    | Feb 2019      |      |
+| 5.9.x  | Nov 2018                 | Dec 2018        | Jan 2, 2019    | Jan 2019      |      |
+| 5.8.x  | Oct 2018                 | Nov 2018        | Dec 5, 2018    | Dec 2018      |      |
+| 5.7.x  | Sep 2018                 | Oct 2018        | Nov 7, 2018    | Nov 2018      | Dec 2018 - May 2019 (incl) |
+| 5.6.x  | Aug 2018                 | Sep 2018        | Oct 3, 2018    | Oct 2018      |      |
+| 5.5.x  | Jul 2018                 | Aug 2018        | Sep 5, 2018    | Sep 2018      |      |
+| 5.4.x  | Jun 2018                 | Jul 2018        | Aug 1, 2018    | Aug 2018      |      |
+| 5.3.x  | May 2018                 | Jun 2018        | Jul 3, 2018    | Jul 2018      |      |
+| 5.2.x  | Apr 2018                 | May 2018        | Jun 6, 2018    | Jun 2018      |      |
+| 5.1.x  | Mar 2018                 | Apr 2018        | May 2, 2018    | May 2018      |      |
+| 5.0.x  | Feb 2018                 | Mar 2018        | Apr 4, 2018    | Apr 2018      |      |
 
 ## Release Lifecycle