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2025 Annual Report: SIG Node

Current initiatives and Project Health

  1. What work did the SIG do this year that should be highlighted?

SIG Node continues its streak as the record holding SIG for most KEPs each release. 2025 actually exceeded the velocity of 2024, with 1.33 merging 33 KEPs, 1.34 merging 32 and 1.35 merging 35! Many major initiatives across many different areas were advanced. Particularly, many long-standing KEPs were moved to stable, which represents an overarching initative to close out KEPs and stabalize the project.

The sheer number of KEPs makes summarizing the progress almost tedious, but look below for the full list of work done. The SIG focused largely on DRA, as well as other initatives that advance inference serving use-cases, but also made advancements in the cpu and memory manager.

The KEP Wrangler process, started in 2024, has continued, and some of the SIG's success and velocity can be attributed to it. It's also been an opportunity for contributors to the SIG to step up as leaders. A special shout out goes to Sreeram Venkitesh who stepped into the role of Wrangler lead.

The SIG is happy to sponsor a new sub-project: node readiness controller, which was spun out of an effort to have a clearer signal for foundational node workloads to signal they are ready to run end-user workloads, as well as two new working groups: WG node lifecycle and WG checkpoint restore.

  1. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?

  2. Did you have community-wide updates in 2025 (e.g. KubeCon talks)?

  1. KEP work in 2025 (v1.33, v1.34, v1.35):

Subprojects

New in 2025:

  • node-readiness-controller Continuing:
  • ci-testing
  • cri-api
  • cri-client
  • cri-tools
  • kernel-module-management
  • kubelet
  • node-api
  • node-feature-discovery
  • node-problem-detector
  • resource-management
  • security-profiles-operator

Working groups

New in 2025:

  • Checkpoint Restore
  • Node Lifecycle Retired in 2025:
  • Policy Continuing:
  • Batch
  • Device Management
  • Serving
  • Structured Logging

Operational

Operational tasks in sig-governance.md:

  • README.md reviewed for accuracy and updated if needed
  • CONTRIBUTING.md reviewed for accuracy and updated if needed
  • Other contributing docs (e.g. in devel dir or contributor guide) reviewed for accuracy and updated if needed
  • Subprojects list and linked OWNERS files in sigs.yaml reviewed for accuracy and updated if needed
  • SIG leaders (chairs, tech leads, and subproject leads) in sigs.yaml are accurate and active, and updated if needed
  • Meeting notes and recordings for 2025 are linked from README.md and updated/uploaded if needed