Add release notes for 5.21.1

release-notes.md

@@ -26,6 +26,15 @@ Released February 5, 2020
 - **[Credits](release-notes/5.22.0.md#credits)**
 - **[Feedback](release-notes/5.22.0.md#feedback)**
 
+## CiviCRM 5.21.1
+
+Released January 10, 2019
+
+- **[Synopsis](release-notes/5.21.1.md#synopsis)**
+- **[Bugs resolved](release-notes/5.21.1.md#bugs)**
+- **[Credits](release-notes/5.21.1.md#credits)**
+- **[Feedback](release-notes/5.21.1.md#feedback)**
+
 ## CiviCRM 5.21.0
 
 Released January 1, 2020

release-notes/5.21.1.md

+# CiviCRM 5.21.1
+
+Released January 10, 2019
+
+- **[Synopsis](#synopsis)**
+- **[Bugs resolved](#bugs)**
+- **[Credits](#credits)**
+- **[Feedback](#feedback)**
+
+## <a name="synopsis"></a>Synopsis
+
+| *Does this version...?*                                         |         |
+|:--------------------------------------------------------------- |:-------:|
+| Fix security vulnerabilities?                                   |   no    |
+| Change the database schema?                                     |   no    |
+| Alter the API?                                                  |   no    |
+| Require attention to configuration options?                     |   no    |
+| Fix problems installing or upgrading to a previous version?     |   no    |
+| Introduce features?                                             |   no    |
+| **Fix bugs?**                                                   | **yes** |
+
+## <a name="bugs"></a>Bugs resolved
+
+* **_CiviContribute_: Restore display of "Payment Summary" table ([dev/core#1508](https://lab.civicrm.org/dev/core/issues/1508): [#16225](https://github.com/civicrm/civicrm-core/pull/16225))**
+* **_CiviMail_: Restore support for "Enable multiple bulk emails" ([dev/mail#60](https://lab.civicrm.org/dev/mail/issues/60): [#16239](https://github.com/civicrm/civicrm-core/pull/16239))**
+
+## <a name="credits"></a>Credits
+
+This release was developed by the following authors and reviewers:
+
+Wikimedia Foundation - Eileen McNaughton; Megaphone Technology Consulting -
+Jon Goldberg; JMA Consulting - Seamus Lee; Dave D
+
+## <a name="feedback"></a>Feedback
+
+These release notes are edited by Tim Otten and Andrew Hunt.  If you'd like to
+provide feedback on them, please login to https://chat.civicrm.org/civicrm and
+contact `@agh1`.