• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Update Plesk 12.0.18 to 12.5 [Windows]

You might need to turn on early adopter but you should be able to do the upgrade by logging into plesk, go to Tools and Settings, clicking on Updates and Upgrades, and click on Install or Upgrade Product. From there you should be able to upgrade to 12.5. If the option is gray out then the upgrade option is not yet available for stable release (even though it's officially out now) and will need to enable adapters which can be do by going back to the Tools and Settings and clicking on Update and Upgrade Settings.
 
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