Announcement of new CTA public release: 5.11.14.0-1

[afonso]

New CTA public release

Dear CTA community,

We have made available a new version of CTA in our stable repo:

• 5.11.14.0-1
  • Release documentation
  • Changelog documentation
  • This release was tested with:
    • EOS: 5.3.23.el9
    • XRootD: 5.8.4-1.el9

This version of CTA was deployed in production at CERN since 10 Dec 2025.

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When upgrading from a previous CTA release

• If setting up CTA for the first time, or upgrading from a version 5.11.x.y-z:
  • Version 5.11.14.0-1 can be installed directly. Depending on the version previously installed, new configurations may be required.
• If upgrading from an older CTA version (5.10.x.y-z):
  • First, install 5.11.0.1-1. This version is required to upgrade the CTA Catalogue version from 14.0 to 15.0
    • For the instructions on the procedure to upgrade the CTA Catalogue, please check the documentation on the automated update procedure and the following presentation.
  • After the CTA Catalogue schema migration is complete, the installation of version 5.11.14.0-1 can be done.

Experimental features

• CTA can publish metrics in the OTLP format. This feature is experimental and disabled by default.
  • For it to be activated, it has to be explicitly configured according to these instructions: Enabling Metrics - CTA Documentation

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Installation instructions:

• For instructions on how to install and configure CTA, please check:
  • Installation - CTA Docs
• For instructions on how to upgrade the CTA Catalogue version, please check:
  • Introduction - CTA Docs

Important:

• These, and any other CTA releases, should be first tested in a safe environment before deploying into your production environment.