> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/control-center/2021.12.01.md).

# 2021.12.01

Release notes for GridGain Control Center 2021.12.01.

## 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 2021.12.01 release includes a number of UX and bug fixes.

Note: GridGain Control Center 2021.12.01 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

### Apache Log4j Vulnerability Fix

Control Center 2021.12.01 is a maintenance release, dedicated to fixing a recently discovered Log4j vulnerability.

If you are using the on-premise Control Center version, this release also includes cumulative changes from versions 2021.10.00, 2021.11.00, and 2021.12.00.

## Related Information

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

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