Cgroup-V2 - 1

2026 (1)

January (1)

k8s: New Conversion from cgroup v1 CPU Shares to v2 CPU Weight

Kubernetes Official Blog

2026-01-30

An improved, non-linear conversion from cgroup v1 CPU shares to cgroup v2 CPU weight replaces the previous linear formula to restore intended priority relationships and improve granularity for small CPU requests. The change is implemented in OCI runtimes (runc >=1.3.2, crun >=1.23) and may require updates to tooling that assumed the old mapping.

2025 (2)

December (1)

k8s: Kubernetes v1.35: Timbernetes (The World Tree Release)

Kubernetes Official Blog

2025-12-17

Kubernetes v1.35 ("Timbernetes / World Tree" release) ships 60 enhancements (17 stable, 19 beta, 22 alpha), focused on smoother nondisruptive scaling, native pod certificate-based workload identity, improved scheduling correctness, storage and topology improvements, and several important deprecations/removals. The release emphasizes stability, performance, and security hardening (notable GA features, new betas/alphas, and migration guidance for cgroup and containerd).

November (1)

k8s: Kubernetes v1.35 Sneak Peek

Kubernetes Official Blog

2025-11-26

Kubernetes v1.35 (planned 2025-12-17) introduces several deprecations and new/advanced features. Major removals/deprecations include cgroup v1 support removal, deprecation of kube-proxy ipvs mode, and final support for containerd v1.x (users must move to containerd 2.0+). Notable enhancements likely in v1.35 include node declared features (alpha), in-place Pod resource updates (GA), pod certificates (beta), numeric taint comparisons, continued progress on user namespaces, and image volumes becoming default.