Jenkins 2.571: Weekly Release Overview

Jenkins 2.571, released on 2026-07-01, delivers a set of targeted improvements and bug fixes. This weekly update focuses on enhancing system management and user interface stability. For the official changelog, visit jenkins.io/changelog/2.571/.

Key Changes

New features and improvements:

  • Operating System EOL Data Update: Ensures Jenkins environments track current OS support lifecycles.
  • ‘System Log’ Page Refinement: Enhancements to the Manage Jenkins ‘System Log’ page improve usability.
  • Bundled script-security Update: script-security is updated to version 1402.1405, strengthening security.

Bug fixes:

  • UI Animation Fix: Addresses an animation artifact when clicking “Apply” (JENKINS-73906).
  • Pluralization Correction: Fixes incorrect pluralization in a retry failure message.
  • Breadcrumb Overflow Fix: Resolves issues with breadcrumb overflow dropdown items failing to render.
  • Internal Logic Adjustment: log.markAsComplete() moved into a finally block in TaskThread.run() for improved stability.

Impact for QA Teams

QA teams will find minor but welcome improvements in UI stability and system log management. The update to script-security is particularly important for maintaining secure automation environments, especially when configuring Jenkins pipelines for test automation. Staying current with these updates helps ensure a stable and secure testing infrastructure.