Article ID: 116510, created on Jul 22, 2013, last review on Aug 9, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux
  • Plesk 11.5 for Linux
  • Plesk 10.4 for Linux/Unix
  • Plesk 12.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 11.5 for Windows


Plesk continues to support “Release Tiers” – a systematic way for customers and hosts to select the visibility of Plesk upgrades, along with automatic settings for upgrades.

Release Tiers can be selected on the Tools & Settings > Update and Upgrade Settings screen in the Plesk interface.

Three tiers are eventually released for every product:

  • Early Adopter This tier is traditionally called RTM or “Release to Manufacturing.” It has passed internal tests and is ready to release into production environments. When a new version of Plesk is released – such as Plesk 12 – it starts in this tier.
  • Release (Recommended) This tier is what is called GA or “General Availability.” After the Early Adopter release – where partners begin to deploy into production environments – our development and service teams work closely with partners to fix any issues found prior to releasing this Release Tier. Plesk ships any fixes/issues found in a series of Micro-Updates. After several (up to ten) of these Micro-Updates, the product version is declared as Release (Recommended).

    After this tier is released, version-free Plesk for Linux Virtuozzo containers templates (i.e., templates with names like pp or pp-webmail) are switched to the new release. This has the following consequences:

    • If Plesk is installed in a container using the version-free template pp, running vzpkg update <CTID> on the container will cause Plesk to upgrade to the new version.
    • Installing a version-free template on a container with an existing installation of Plesk will cause Plesk to upgrade (see KB article #114626).
    • All new containers to which a version-free template is installed will have the latest version of Plesk installed.
  • Late Adopter We recognize that some partners and customers are very cautious about upgrading, so we created a Late Adopter release tier that indicates a level of stability that a very cautious host or customer might prefer. Our experience with the Plesk 10.4 and Plesk 11.0 releases has been that this stage is reached in 6 to 8 weeks from Early Adopter/RTM; however, the lag may vary from release to release.

See also

Search Words

Late Adopter

upgrade to plesk 12.5

Release Tiers

Update and Upgrade Settings

Release (Recommended)

Early Adopter

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