Update README.md

README.md

@@ -6,6 +6,12 @@ This project supports documentation and meta-activities for release-management.
 
 | Name   | Development/Alpha Period | RC/Beta Period  | Release Date   | Stable Period | [Extended Security Period](https://civicrm.org/esr) |
 | ------ | ------------------------ | --------------- |----------------| ------------- | ----------------------- |
+| 5.81.x | Nov 2024                 | Dec 2024        | Jan 8, 2025    | Jan 2025      | Feb 2025 - Jul 2025 (incl) <br/>(tentative)     |
+| 5.80.x | Oct 2024                 | Nov 2024        | Dec 4, 2024    | Dec 2024      |      |
+| 5.79.x | Sep 2024                 | Oct 2024        | Nov 6, 2024    | Nov 2024      |      |
+| 5.78.x | Aug 2024                 | Sep 2024        | Oct 2, 2024    | Oct 2024      |      |
+| 5.77.x | Jul 2024                 | Aug 2024        | Sep 4, 2024    | Sep 2024      |      |
+| 5.76.x | Jun 2024                 | Jul 2024        | Aug 7, 2024    | Aug 2024      |      |
 | 5.75.x | May 2024                 | Jun 2024        | Jul 3, 2024    | Jul 2024      | Aug 2024 - Jan 2025 (incl) <br/>(tentative)     |
 | 5.74.x | Apr 2024                 | May 2024        | Jun 5, 2024    | Jun 2024      |      |
 | 5.73.x | Mar 2024                 | Apr 2024        | May 1, 2024    | May 2024      |      |