Plesk Lifecycle Policy

Plesk continues to evolve from a basic and feature-based control panel to a powerful management platform proven on Server, Sites, Apps, Hosting & Cloud Businesses. Rapidly changing technologies require an update to the Plesk Lifecycle and End-of-Life (EOL) policy. This new approach supports Plesk users in staying ahead of the game and mitigating security risks, by making it easier for Plesk partners and customers to always be on the latest software version.

Benefits:

No need to upgrade or migrate to a new major version each year
Immediate access to new features or improved existing ones
Constantly patching potential security vulnerabilities
Boosted speed and performance
Protection of user’s data

With the launch of Obsidian, Plesk is ending the era of upgrades and introducing a monthly release cycle. Switching to monthly updates is imperative to always delivering a secure and stable version of Plesk with new features and improvements that Partners and Customers expect to get from an intelligent software solution.
In the past, Plesk used to launch one major version per year and users were required to upgrade the Plesk server (e.g. 12.x > 17.x). With Plesk Obsidian, users are strongly recommended to allow automatic updates through Plesk Server settings so they will automatically be on the latest version including hotfixes, security patches, micro updates, and more. This dedicated blog article offers additional details about monthly updates and the changed approach.

IMPORTANT NOTE:

An up-to-date and supported Plesk installation with all the latest available updates installed is a prerequisite for technical support from Plesk.
Security patches, security updates and/or hotfixes are NOT shipped when automatic updates are disabled.

Disclaimer: In case automatic updates are disabled on a particular Plesk server, the owner of the server acknowledges and agrees to take full responsibility for any resulting potential security risks and/or hacker attacks to his server. Plesk specifically disclaims any liability or responsibility in these cases of disabled security settings.

Plesk highly recommends to enable automatic updates if the user wants the Plesk server(s) to be stable and secure and have access to support.

Plesk Lifecycle Policy

A major version is defined as a change of the first digit(s) of any Plesk version number. For example, Plesk Onyx (17.x) and Plesk Obsidian (18.x) are different major versions. Starting with Plesk Obsidian, version 18 will remain a major version that will be supported.
For Plesk Obsidian (18.x), software patches are provided and support requests are accepted for the latest available update of this major version as well as the preceding update (see example). For all other versions, the Plesk version life cycle table below applies.

Example: Plesk 18.0.15 is installed by the user as fresh instance. After one month, if the user decides to install a fresh instance of Plesk, its version will be 18.0.16, meaning that the user will not even find the older version 18.0.15. At the same time, version 18.0.15 will continue to be supported until version 18.0.17 is released. In this example, version 18.0.17 is the latest update, while version 18.0.16 is the preceding update. Note: To get information about the supported versions of Plesk Obsidian (the last one and the one preceding), please check the Change Log for Plesk Obsidian.

Plesk Version Lifecycle

The table below describes when specific versions of Plesk will enter the Extended Support phase and when patches / support will no longer be available. If the Plesk version in use is EOL (End Of Life), Plesk strongly recommends to upgrade to a supported Plesk version:

PRODUCT	RELEASED	EXTENDED SUPPORT*	END OF LIFE**
Plesk Obsidian	June 4, 2019 ***	not applicable	not applicable
Plesk Onyx	October 11, 2016	October 11, 2020	April 20, 2021
Plesk 12	June 16, 2014	June 16, 2018	January 1, 2019
Plesk 11	June 13, 2012	June 13, 2016	December 13, 2016
Plesk 10	November 3, 2010	January 31, 2015	May 3, 2015
Plesk 9	December 9, 2008	December 9, 2012	June 9, 2013
Plesk 8	September 20, 2006	March 1, 2012	September, 2012
Small Business Panel ****	November, 2009	August 1, 2011	July, 2012
Plesk 7 and earlier	February 10, 2004	n/a	January 1, 2012

Supported versions

Unsupported versions

*In terms of Plesk Onyx, Extended Support is a 4-year period, after which the product will no longer be available for new purchases and will only receive patches for critical issues. The Extended Support Period is six (6) months.

**End-of-Life: Once the Extended Support period is over, the product will stop receiving further development (including critical patches), and technical support requests will no longer be accepted.

*** Starting from this date, Plesk began accepting technical support requests for Plesk Obsidian (General Availability version launched on October 22nd, 2019).

**** The upgrade path for Small Business Panel customers involves a migration to Plesk 10, where these products were merged.

Currently Supported OSes

The table below lists all operating systems which are receiving updates and support from the OS vendor and are therefore supported by a current and supported version of Plesk. Visit the Software Requirements section of the Plesk release notes for more information about OS compatibility of a particular Plesk release.

Recommended versions*

*Plesk recommends using the latest supported version of an operating system when deploying a new server because a server with a current OS has the longest potential lifetime before its OS Vendor Termination Date.

*Important: Due to the early End-of-Life of CentOS 8, Plesk highly recommends using AlmaLinux OS or RockyLinux as alternatives going forward. Both are supported by Plesk Obsidian 18.0.41, available from January 18th, 2022.

OPERATING SYSTEM	VENDOR TERMINATION DATE
Debian 11	June 2026
Debian 10	June 2024
CentOS 7	June 30, 2024
Ubuntu 22.04 Server LTS	April 2027
Ubuntu 20.04 Server LTS	April 2025
RedHat Enterprise Linux 7	June 30, 2024 (end of production phase)
RedHat Enterprise Linux 8	May 2029 (end of production phase)
CloudLinux 7	June 30, 2024
Virtuozzo Linux 7	June 30, 2023
AlmaLinux 8	2029
Rocky Linux 8	2029
Windows Server 2016	January 11, 2027
Windows Server 2019	September 1, 2029
Windows Server 2022	2031
Ubuntu 18.04	April 26, 2023
Debian 9	June 30, 2022
Windows Server 2012 R2	January 10, 2023
Windows Server 2012	January 10, 2023

Unsupported OSes

Plesk does not accept support requests and will not issue software patches for servers with OSes that are not listed in the table above, or if their Vendor Termination Date is past due.

Support Specifics

Plesk does not accept technical support requests for preview versions of Plesk. Bug reports and technical questions for preview versions should be submitted through the Plesk Community Forum. Feature requests should be submitted through the Plesk User Voice.

For older unsupported versions of Plesk servers, Plesk strives to assist and accept technical support requests, but only the ones related to upgrading to a supported version or environment. Exceptions are updates from and to preview versions, since the stability of such upgrades is not guaranteed.

Migration Assistance

If a user’s Plesk version is approaching its End of Life phase or the OS is approaching its Vendor Termination Date, Plesk recommends migrating to the latest Plesk version and a supported operating system. If a user needs migration instructions, advice, or if the user would prefer to let Plesk professionals handle the migration, the user should contact the Plesk Professional Services team.