# CiviCRM 5.26.1
Released June 6, 2020
- **[Synopsis](#synopsis)**
- **[Bugs resolved](#bugs)**
- **[Credits](#credits)**
- **[Feedback](#feedback)**
## Synopsis
| *Does this version...?* | |
|:--------------------------------------------------------------- |:-------:|
| Fix security vulnerabilities? | no |
| **Change the database schema?** | **yes** |
| 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** |
## Bugs resolved
* **_CiviContribute_: Fix credit card validation ([dev/core#1797](https://lab.civicrm.org/dev/core/-/issues/1797): [#17497](https://github.com/civicrm/civicrm-core/pull/17497))**
* **_Administation UI_: Fix saving of certain checkbox fields ([dev/core#1794](https://lab.civicrm.org/dev/core/-/issues/1794): [#17493](https://github.com/civicrm/civicrm-core/pull/17493), [#17494](https://github.com/civicrm/civicrm-core/pull/17494))**
* **_MySQL_: Add deprecation notices regarding MySQL 5.5 ([dev/core#1681](https://lab.civicrm.org/dev/core/-/issues/1681): [#17496](https://github.com/civicrm/civicrm-core/pull/17496), [#17518](https://github.com/civicrm/civicrm-core/pull/17518))**
## Credits
This release was developed by the following authors and reviewers:
Wikimedia Foundation - Eileen McNaughton; Squiffle Consulting - Aidan Saunders; JMA Consulting -
Seamus Lee; CiviCRM - Coleman Watts, Tim Otten; Circle Interactive - Pradeep Nayak; AGH Strategies -
Alice Frumin
## 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`.