• Debian 11 has reached its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.81 is 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.

Issue Update manual instructions for upgrading Debian

Daveo

Regular Pleskian
Server operating system version
Debian 12.15
Plesk version and microupdate number
18.0.81
Can the upgrade instructions here be updated to include both manual and automated instructions on upgrading Debian from 12 to 13 please, now that Plesk officially supports upgrading Debian from 12 to 13 (as of Plesk 18.0.81).

Currently only lists Debian 9 to 10, 10 to 11 & 11 to 12.
 
OK.

Release notes make it a bit confusing, I though they are now implying that dist upgrade from 12 to 13 is supported.

Sorry if I got confused over this.
 
No need to apologize, @Daveo - your confusion is completely understandable.

@Martin Dias , could you please clarify why this is considered unsupported?

Plesk has already published an automated upgrade script directly under the verified Plesk GitHub organization:
The tool to dist-upgrade servers with Plesk from Debian 12 to 13

Even more importantly, this is explicitly listed in the official Plesk Obsidian 18.0.81 changelog:
Plesk Obsidian 18.0.81

Prepared a script to automate dist-upgrade from Debian 12 to Debian 13.
Note that MariaDB 10.11 is upgraded to MariaDB 11.8 as part of the procedure, because Debian 13 no longer ships MariaDB 10.x.
Learn how to dist-upgrade to Debian 13.

If dist-upgrading to Debian 13 is genuinely not supported yet, either the support article is outdated, or the 18.0.81 release notes and the official repository are providing misleading information to users.
 
I am sorry all for the confusion, my information was somewhat outdated.
I requested to the responsible team to update both articles.
 
FYI, Automated upgrade section was added, manual steps will be added later by the support team, I have no ETA for now.
 
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