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Kubernetes 1.35 — Timbernetes

Cert impact: none for bumping — this is the current exam pin. Use Release Radar for delta context; keep CKA/CKAD/CKS lessons on 1.35 until LF moves. Upstream status: Actively supported (oldest of the three-branch window) GA: 2025-12-17 · Theme: Timbernetes (The World Tree)

Kubernetes v1.35 is both (1) the exam-pinned curriculum target and (2) still an upstream-supported minor. Official summary: 60 enhancements — 17 Stable, 19 Beta, 22 Alpha (release blog).

Who should read this

Section titled “Who should read this”
AudienceWhy
Cert learnersThis is your practice target version
Platform engineersBaseline before reading 1.36 / 1.37 deltas
AgentsFixture scripts and kind pins still center on 1.35

Stable / notable highlights (learner-visible)

Section titled “Stable / notable highlights (learner-visible)”
ThemeWhat shippedWhy it matters
ScalingIn-place Pod resource updates StableChange CPU/memory without always recreating Pods
IdentityPod certificates path matured (beta spotlight in the release blog; Stable in 1.37)Know the trajectory — deep practice on 1.37 radar
UXKYAML entered beta (on by default) in 1.35; Stable in 1.37Safer YAML subset for kubectl
AutoscalingConfigurable HPA tolerance beta in 1.35; Stable in 1.37Track graduation across the window
OpsStorage version migration moved in-tree (beta)Less external migrator dependency

Treat 1.35 pages in cert tracks as the authoritative how-to. This radar page is the version context, not a second CKA.

Practice

Section titled “Practice”
  • kind image: kindest/node:v1.35.8 — matrix
  • Prefer existing CKA/CKAD Killercoda / module labs on this minor.
  • When comparing features, always run the same manifest on 1.35 then on 1.36/1.37.

Agent checklist

Section titled “Agent checklist”
  • exam_pin.kubernetes_minor stays "1.35" until LF evidence changes
  • Fixtures (cka_certificate_fixture, kind examples) remain 1.35 unless a dedicated bump PR says otherwise
  • After reading 1.36/1.37 pages, only surgical callout fixes in cert modules — no mass rewrite

Sources

Section titled “Sources”