# CiviCRM 5.43.1 Released November 11, 2021 - **[Synopsis](#synopsis)** - **[Bugs resolved](#bugs)** - **[Credits](#credits)** - **[Feedback](#feedback)** ## Synopsis | *Does this version...?* | | | --------------------------------------------------------------- | -------- | | Change the database schema? | no | | Alter the API? | no | | Require attention to configuration options? | no | | **Fix problems installing or upgrading to a previous version?** | **yes** | | Introduce features? | no | | **Fix bugs?** | **yes** | ## Bugs resolved * **_Upgrader_: Upgrader crashes when migrating some smart groups ([dev/core#2550](https://lab.civicrm.org/dev/core/-/issues/2550): [#21997](https://github.com/civicrm/civicrm-core/pull/21997))** * **_Maps_: Map link displays critical error ([dev/core#2942](https://lab.civicrm.org/dev/core/-/issues/2942): [#21980](https://github.com/civicrm/civicrm-core/pull/21980))** * **_CiviEvent_: `{event.*}` tokens do not render in PDFs for participants ([dev/core#2947](https://lab.civicrm.org/dev/core/-/issues/2947): [#22046](https://github.com/civicrm/civicrm-core/pull/22046))** * **_APIv4_: Fix failure when joining unusual custom-field-sets. ([dev/mail#103](https://lab.civicrm.org/dev/mail/-/issues/103): [#22051](https://github.com/civicrm/civicrm-core/pull/22051))** Note: This bug manifested as a crash when loading CiviMail tokens via APIv4. It only affects custom-field-sets where the _internal machine name_ is unusual. ## Credits This release was developed by the following authors and reviewers: Wikimedia Foundation - Eileen McNaughton; PeaceWorks Technology Solutions - Martin Hansen; JMA Consulting - Monish Deb, Seamus Lee; Dave D; Coop SymbioTIC - Mathieu Lutfy; CiviCRM - Coleman Watts, Tim Otten; lishaw1968; @treasurer ## Feedback These release notes are edited by Tim Otten and Andie Hunt. If you'd like to provide feedback on them, please login to https://chat.civicrm.org/civicrm and contact `@agh1`.