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# 2021.12.00

Release notes for GridGain Control Center 2021.12.00.

## What's New in This Release

### Introduction

GridGain® Control Center is a comprehensive, customizable cluster management and developer tool for Apache® Ignite™ and GridGain applications. Use Control Center to query data across caches, monitor performance metrics, define and track production alerts, take snapshots for backup and recovery, and collect and analyze API traces. The latest Control Center 2021.12.00 release includes a number of UX and bug fixes.

Note: GridGain Control Center 2021.12.00 supports GridGain 8.7.23+. You will need to update your version of GridGain in order to work with Control Center. Apache Ignite users will need to update their Ignite Agent to 2.8.1.2+.

## Improvements and Fixed Issues

### Control Center Changes

| Issue ID | Category | Description                                                                      |
| -------- | -------- | -------------------------------------------------------------------------------- |
| CC-3400  | General  | Reduced latency for dashboards.                                                  |
| CC-3372  | General  | Fixed Control Center still receiving metrics while user is not on the Dashboard. |
| CC-3333  | General  | Fixed Control Center sometimes displaying empty cluster topology.                |
| CC-3298  | Clusters | Removed Last Seen column from the Cluster Management table.                      |
| CC-3290  | General  | Expanded REST/Web Socket error logging.                                          |
| CC-2531  | Alerting | Fixed issues with the Traces table under certain sorting conditions.             |

## Related Information

[Customer Support](https://mariadb.com/contact/)

Please visit the [documentation](/docs/tools/enterprise/control-center.md) for more information.