> 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/2021.06.00.md).

# 2021.06.00

Release notes for GridGain Control Center 2021.06.00.

## 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 2021.06.00 release adds a new subscription model for the online version of Gridgain Control Center and UX/bug fixes.

Note: GridGain Control Center 2021.06.01 supports GridGain 8.7.23+. You will need to update your version of GridGain in order to work with Control Center 2021.06.00. Apache Ignite users will need to update their Ignite Agent to 2.8.1.2+.

## Improvements and Fixed Issues

| Issue ID | Category | Description                                                                      |
| -------- | -------- | -------------------------------------------------------------------------------- |
| CC-2397  | General  | Unauthorized LDAP users are now always redirected to the sign in page.           |
| CC-2391  | General  | Fixed an issue that made it impossible to log in with LDAP twice in a row.       |
| CC-2378  | SaaS     | Added the option to cancel a subscription from Control Center UI.                |
| CC-2374  | Security | Fixed the vulnerability issue CVE-2021-27568.                                    |
| CC-2319  | SaaS     | Added a notification about SaaS license violations.                              |
| CC-2303  | Alerting | Removed unnecessary notifications during the alert grace period.                 |
| CC-2300  | SaaS     | Added the ability to download receipts from the Billing screen.                  |
| CC-2231  | Tracing  | Fixed an issue when several separate SQL traces were combined to a single trace. |
| CC-2197  | SaaS     | Added Plan Management screen to Billing.                                         |

## Known Issues

The following known issues have suggested workarounds.

| Issue ID | Category  | Description                                                               | Workaround                                    |
| -------- | --------- | ------------------------------------------------------------------------- | --------------------------------------------- |
| GG-32095 | Dashboard | Cache Histogram metrics should be aggregated instead of reported per node | Cache metrics graphs may have incomplete data |

## Related Information

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

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