# Percona XtraBackup 8.0.28-21 (2022-05-25)

[Percona XtraBackup for MySQL Databases](https://www.percona.com/software/mysql-database/percona-xtrabackup) enables MySQL backups without blocking user queries. Percona XtraBackup is ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered free as an open source solution, Percona XtraBackup drives down backup costs while providing unique features for MySQL backups.

## Release Highlights

Percona XtraBackup adds support for the [Amazon Key Management Service (KMS)](https://aws.amazon.com/kms/) component.

## New Features


* [PXB-2721](https://jira.percona.com/browse/PXB-2721): Implements support for the Amazon Key Management Service component in Percona XtraBackup.

## Bugs Fixed


* [PXB-2761](https://jira.percona.com/browse/PXB-2761): Fix for a compilation error in GCC 11. (Thanks to user tcoyvwac for providing the patch to fix this issue.)


* [PXB-2422](https://jira.percona.com/browse/PXB-2422): The extraction of files failed when a file was located in another directory.

## Useful Links


* The [Percona XtraBackup installation instructions](https://www.percona.com/doc/percona-xtrabackup/8.0/installation.html)


* The [Percona XtraBackup downloads](https://www.percona.com/downloads/Percona-XtraBackup-LATEST/)


* The [Percona XtraBackup GitHub location](https://github.com/percona/percona-xtrabackup)


* To contribute to the documentation, review the [Documentation Contribution Guide](https://github.com/percona/percona-xtrabackup/blob/8.0/storage/innobase/xtrabackup/doc/source/contributing.md)