Platform SIG June 9, 2026

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2026-06-09T11:30:00Z

Jun 9, 2026

Attending: Mark Waite, Damien Duportal, Herve Le Meur

Agenda

  • Java 25
    • 240 of the top 250 active plugin repositories are building and testing with Java 25
  • LTS updates
    • New LTS baseline: 2.555
    • Next baseline likely 2.568
  • Spring Security 7 and Spring Framework 7 - Mark Waite
    • In weekly 2.556 and later, no issues reported
    • LTS in July 2026
    • Spring Security 6.x end of support is June 30, 2026
    • Spring Framework 7.0.8 and 6.2.19 released June 8, 2026 with fixes for 18 CVEs
      • Refer to release announcement and blog post
      • Spring Framework 6.2.19 is the last public release of Spring 6
        • Discussion with the security team if Jenkins 2.555.4 release is needed to include Spring Framework
  • Container image updates for the Jenkins controller
  • Deprecation and archival of jenkinsci/docker-inbound-agents
    • Repository archived
  • Work in progress on images:
    • Drop Windows 2019 support - in progress (infra)
      • Jenkins infra team recommends that we stop using Windows 2019 containers
        • Painful to maintain a Windows 2019 with Windows 2022 and Windows 2025
        • Not supported in Azure for container images
        • Extended support for virtual machines (only security patches)
        • Risk that AWS might stop publishing new 2019 versions
      • Stop providing controller images and agent images
      • Windows container proposals
        • 2.555.3 the last LTS to provide a controller image
        • Drop it in the weekly release
        • Add it as an issue and blog posts
          • Blog post 1 - drop all Windows 2019 container images (controllers and agents)
          • Blog post 2 - announce end of life of all Windows contains images for controllers
          • What about Windows agent container images?
        • Users running Jenkins controller in a Windows container must upgrade to Windows 2022 or build their own image or use the native (MSI) installation
          • Mark has seen no bug reports of Windows controller container images, drop Windows 2019 immediately, consider dropping all Windows completely
          • Only know of 1 user of controller on Windows containers
        • Migration paths for Jenkins container agents on Windows Server
          • Build your own container image from our Dockerfile, maintain it yourself, store it yourself
          • Create your own Dockerfile
          • Run agent without a Docker container
    • Support for Windows container agents
    • Controller:
    • Windows Nanoserver images are becoming more difficult to build
      • PowerShell is not provided in a standard nanoserver image
        • Nanoserver and PowerShell release process has changed
      • May consider dropping Nanoserver, after we review Microsoft’s policy
    • Docker-agent:
    • Docker-ssh-agent:
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