Concurrent Watch Object Decode

[Jefftree]

Enhancement Description

• One-line enhancement description (can be used as a release note): The kube-apiserver decodes and converts watch events concurrently.
• Related Issue: Unblock enablement of the ConcurrentWatchObjectDecode by default (to fix scale issues for CRDs) kubernetes#136950
• PRs by stage and milestone:
  • Beta (on by default) - v1.37
    • KEP (k/enhancements) update PR(s):
    • Code (k/k) update PR(s):
    • Docs (k/website) update PR(s):

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

/sig api-machinery

[Jefftree]

/assign

[Jefftree]

/stage beta

[jpbetz]

/label lead-opted-in
/milestone v1.37

[whtssub]

Hello @Jefftree 👋, v1.37 Enhancements team here.

This is a reminder of the upcoming PRR freeze on Tuesday 9 June 2026 (AoE) / Wednesday 10 June 2026 12:00 UTC.

This enhancement is targeting stage beta for v1.37 (correct me, if otherwise)

Here's where this enhancement currently stands:

• PR open or merged with the KEP's PRR questionnaire filled out.
• PR open or merged with kep.yaml updated with the stage, latest-milestone, and milestone struct filled out.
• PR open or merged with a PRR approval file with the PRR approver listed for the stage the KEP is targeting.

This enhancement has met all the PRR freeze requirements. However, as we look ahead to enhancements freeze on Tuesday 16th June 2026 (AoE) / Wednesday 17th June 2026, 12:00 UTC, this enhancement is currently At risk for enhancements freeze. Here's what still needs to be addressed:

• KEP readme using the latest template has been merged into the k/enhancements repo.
• KEP has a production readiness review that has been completed and merged into k/enhancements. (For more information on the PRR process, check here).
• There are no other outstanding (unmerged) PRs that modify the KEP readme or kep.yaml file.

The enhancements freeze deadline is one week after PRR freeze. If you anticipate missing it, please file an exception request in advance. Thank you!

/label tracked/yes