# CiviCRM 5.66.1

Released October 25, 2023

- **[Synopsis](#synopsis)**
- **[Bugs resolved](#bugs)**
- **[Credits](#credits)**
- **[Feedback](#feedback)**

## <a name="synopsis"></a>Synopsis

| *Does this version...?*                                         |          |
| --------------------------------------------------------------- | -------- |
| **Change the database schema?**                                 | **yes**  |
| 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**  |
| Fix security vulnerabilities?                                   | no       |

## <a name="bugs"></a>Bugs resolved

* **_CiviEvent_: Custom data not displayed to administrator. May lead to overwrite/loss. ([dev/core#4706](https://lab.civicrm.org/dev/core/-/issues/4706): [#27868](https://github.com/civicrm/civicrm-core/pull/27868))**
* **_CiviPledge_: Error when deleting pledge ([#27878](https://github.com/civicrm/civicrm-core/pull/27878))**
* **_Financial ACLs_: Administative links for "Membership Type" may be hidden ([#27771](https://github.com/civicrm/civicrm-core/pull/27771))**
* **_Groups_: "Parent" property not displayed to administrator. May lead to overwrite/loss. ([dev/core#4703](https://lab.civicrm.org/dev/core/-/issues/4703): [#27858](https://github.com/civicrm/civicrm-core/pull/27858))**
* **_Link Weights_: Fix new warnings about hyperlink weights for "Premiums", "Surveys", "PCP" ([#27788](https://github.com/civicrm/civicrm-core/pull/27788), [#27780](https://github.com/civicrm/civicrm-core/pull/27780), [#27728](https://github.com/civicrm/civicrm-core/pull/27728))**
* **_Status Check_: Add warning about deprecated notation in Angular modules ([#27798](https://github.com/civicrm/civicrm-core/pull/27798))**
* **_Upgrader_: Fix upgrade for "Scheduled Reminders" with long/duplicate names. Fix transposed descriptions. ([dev/core#4696](https://lab.civicrm.org/dev/core/-/issues/4696): [#27913](https://github.com/civicrm/civicrm-core/pull/27913))**

## <a name="credits"></a>Credits

This release was developed by the following authors and reviewers:

Wikimedia Foundation - Eileen McNaughton; MJW Consulting - Matthew Wire; Megaphone
Technology Consulting - Jon Goldberg, Brienne Kordis; Lemniscus - Noah Miller; Greenleaf
Advancement - Guy Iaccarino; Fuzion - Jitendra Purohit; CiviDesk - Yashodha Chaku;
CiviCRM - Coleman Watts, Tim Otten; Agileware - Justin Freeman

## <a name="feedback"></a>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`.