# Percona Monitoring and Management 2.6.1

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      <th class="field-name">Date:</th>
      <td class="field-body">May 18, 2020</td>
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      <th class="field-name">Installation:</th>
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        <a class="reference external" href="https://www.percona.com/doc/percona-monitoring-and-management/2.x/setting-up/">Installing Percona Monitoring and Management</a></td>
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Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL, MongoDB, and PostgreSQL performance.

## Improvements

- [PMM-5936](https://jira.percona.com/browse/PMM-5936): Improved Summary dashboard for Security Threat Tool ‘Failed Checks’
- [PMM-5937](https://jira.percona.com/browse/PMM-5937): Improved Details dashboard for Security Threat Tool ‘Failed Database Checks’

## Bugs Fixed

- [PMM-5924](https://jira.percona.com/browse/PMM-5924): Alertmanager not running after PMM Server upgrade via Docker
- [PMM-5915](https://jira.percona.com/browse/PMM-5915): `supervisord` not restarting after restart of PMM Server virtual appliances (OVF/AMI)
- [PMM-5945](https://jira.percona.com/browse/PMM-5945): ‘Updates’ dashboard not showing available updates
- [PMM-5870](https://jira.percona.com/browse/PMM-5870): MySQL Table Details dashboard not showing separate service names for tables