# Percona Monitoring and Management 2.10.0

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      <th class="field-name">Date:</th>
      <td class="field-body">September 15, 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.

## New Features

- [PMM-2045](https://jira.percona.com/browse/PMM-2045): New dashboard: MySQL Group Replication Summary
- [PMM-5738](https://jira.percona.com/browse/PMM-5738): Enhanced exporter: replaced original `mongodb-exporter` with a completely rewritten one with improved functionality
- [PMM-5126](https://jira.percona.com/browse/PMM-5126): Query Analytics Dashboard: Search by query substring or dimension (Thanks to user `debug` for reporting this issue)
- [PMM-6360](https://jira.percona.com/browse/PMM-6360): Grafana Upgrade to 7.1.3
- [PMM-6355](https://jira.percona.com/browse/PMM-6355): Upgrade Prometheus to 2.19.3
- [PMM-6597](https://jira.percona.com/browse/PMM-6597): Documentation: Updated Image rendering instructions for PMM
- [PMM-6568](https://jira.percona.com/browse/PMM-6568): Reusable user interface component: Pop-up dialog.  Allows for more consistent interfaces across PMM
- [PMM-6375](https://jira.percona.com/browse/PMM-6375), [PMM-6373](https://jira.percona.com/browse/PMM-6373), [PMM-6372](https://jira.percona.com/browse/PMM-6372): Sign in, Sign up and Sign out UI for Percona Account inside PMM Server
- [PMM-6328](https://jira.percona.com/browse/PMM-6328): Query Analytics Dashboard: Mouse-over crosshair shows value on sparklines
- [PMM-3831](https://jira.percona.com/browse/PMM-3831): Node Summary Dashboard: Add `pt-summary` output to dashboard to provide details on system status and configuration

## Improvements

- [PMM-6647](https://jira.percona.com/browse/PMM-6647): MongoDB dashboards: RocksDB Details removed, MMAPv1 & Cluster Summary changed
- [PMM-6536](https://jira.percona.com/browse/PMM-6536): Query Analytics Dashboard: Improved filter/time search message when no results
- [PMM-6467](https://jira.percona.com/browse/PMM-6467): PMM Settings: User-friendly error message
- [PMM-5947](https://jira.percona.com/browse/PMM-5947): Bind services to internal address for containers

## Bugs Fixed

- [PMM-6336](https://jira.percona.com/browse/PMM-6336): Suppress sensitive data: honor `pmm-admin` flag `--disable-queryexamples` when used in conjunction with `--query-source=perfschema`
- [PMM-6244](https://jira.percona.com/browse/PMM-6244): MySQL InnoDB Details Dashboard: Inverted color scheme on "BP Write Buffering" panel
- [PMM-6294](https://jira.percona.com/browse/PMM-6294): Query Analytics Dashboard doesn't resize well for some screen resolutions (Thanks to user `debug` for reporting this issue)
- [PMM-5701](https://jira.percona.com/browse/PMM-5701): Home Dashboard: Incorrect metric for `DB uptime` (Thanks to user `hubi_oediv` for reporting this issue)
- [PMM-6427](https://jira.percona.com/browse/PMM-6427): Query Analytics dashboard: Examples broken when switching from MongoDB to MySQL query
- [PMM-5684](https://jira.percona.com/browse/PMM-5684): Use actual data from `INFORMATION_SCHEMA` vs relying on cached data (which can be 24 hrs old by default)
- [PMM-6500](https://jira.percona.com/browse/PMM-6500): PMM Database Checks: Unwanted high-contrast styling
- [PMM-6440](https://jira.percona.com/browse/PMM-6440): MongoDB ReplSet Summary Dashboard: Primary shows more lag than replicas
- [PMM-6436](https://jira.percona.com/browse/PMM-6436): Query Analytics Dashboard: Styles updated to conform with upgrade to Grafana 7.x
- [PMM-6415](https://jira.percona.com/browse/PMM-6415): Node Summary Dashboard: Redirection to database's Instance Summary dashboard omits Service Name
- [PMM-6324](https://jira.percona.com/browse/PMM-6324): Query Analytics Dashboard: Showing stale data while fetching updated data for query details section
- [PMM-6316](https://jira.percona.com/browse/PMM-6316): Query Analytics Dashboard: Inconsistent scrollbar styles
- [PMM-6276](https://jira.percona.com/browse/PMM-6276): PMM Inventory: Long lists unclear; poor contrast & column headings scroll out of view
- [PMM-6529](https://jira.percona.com/browse/PMM-6529): Query Analytics filter input margin disappears after scrolling

## Known Issues

- [PMM-6643](https://jira.percona.com/browse/PMM-6643): High CPU usage for new MongoDB exporter  (fixed in [Percona Monitoring and Management 2.10.1](2.10.1.md))