# Release Notes

**Current version:** 19.2.6-1<br />**Base:** Ceph Squid 19.2.6<br />**Status:** Current stable

## Overview[​](#overview "Direct link to Overview")

CES 19 is the Clyso Enterprise Storage release series based on Ceph Squid. It includes the CLYSO manager module and CLYSO's downstream packaging and changes on top of the upstream Ceph base.

## Available releases[​](#available-releases "Direct link to Available releases")

* **[CES 19.2.6-1](/docs/products/clyso-enterprise-storage/releases/19.2.6-1/release-notes.md)** — based on Ceph Squid 19.2.6

## Release lines[​](#release-lines "Direct link to Release lines")

| CES series | Ceph base     | Status                                                                                                     |
| ---------- | ------------- | ---------------------------------------------------------------------------------------------------------- |
| CES 19     | Squid 19.x    | Current stable                                                                                             |
| CES 18     | Reef 18.x     | Current stable; [view CES 18 documentation](/docs/products/clyso-enterprise-storage/18/getting-started.md) |
| CES 20     | Tentacle 20.x | Planned                                                                                                    |

## Upgrading from CES 18[​](#upgrading-from-ces-18 "Direct link to Upgrading from CES 18")

Moving from CES 18 (Reef) to CES 19 (Squid) is a major-version upgrade. Review the [migration guide](/docs/products/clyso-enterprise-storage/migrate/Cephadm-based-migration.md), the [CES 19.2.6-1 release notes](/docs/products/clyso-enterprise-storage/releases/19.2.6-1/release-notes.md).

## Support information[​](#support-information "Direct link to Support information")

For release validation, lifecycle information, or production upgrade assistance, contact [CLYSO Support](https://support.clyso.com/).