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Kubernetes - 5

2025 (12)

November (3)

k8s: Announcing the 2025 Steering Committee Election Results

Kubernetes Official Blog

2025-11-09

The 2025 Kubernetes Steering Committee election concluded. Four of seven seats were up for election; the incoming members begin two-year terms immediately. The post announces the newly elected members, continuing members, election officers, emeritus members, and gives ways for the community to follow and participate in Steering Committee work.

k8s: Gateway API 1.4: New Features

Kubernetes Official Blog

2025-11-06

Gateway API v1.4.0 (released Oct 6, 2025) advances Kubernetes service networking with three features promoted to Standard (BackendTLSPolicy, supportedFeatures in GatewayClass status, and named rule fields for Routes) and several experimental additions (Mesh/XMesh, default Gateways, and an ExternalAuth filter for HTTPRoute). The release also adds per-port TLS/client-certificate configuration to address connection coalescing security, introduces a couple of breaking validation changes, improves CI/docs, and is usable on Kubernetes >=1.26.

azure: [Launched] Open Source: Announcing the DocumentDB Kubernetes Operator

Azure Updates

2025-11-05

Microsoft announced the open-source DocumentDB Kubernetes Operator, which lets you run DocumentDB (a MongoDB‑compatible, open-source document database built on PostgreSQL) on Kubernetes by extending the cluster with custom resource definitions (CRDs).

October (7)

k8s: 7 Common Kubernetes Pitfalls (and How I Learned to Avoid Them)

Kubernetes Official Blog

2025-10-20

The article outlines seven common Kubernetes pitfalls the author encountered—missing resource requests/limits, inadequate liveness/readiness probes, overreliance on kubectl logs, treating dev and prod identically, leaving stale resources, jumping into advanced networking too early, and weak security/RBAC—and gives pragmatic, experience-based advice to avoid each one.

k8s: Spotlight on Policy Working Group

Kubernetes Official Blog

2025-10-18

The Policy Working Group (now completed) worked to standardize and simplify policy management across the Kubernetes ecosystem. Led by co-chairs Jim Bugwadia, Poonam Lamba, and Andy Suderman, the group produced documentation, whitepapers, a CNCF survey, and the Policy Reports API, and helped educate the community about built-in policy APIs and CNCF policy tools. The WG coordinated with SIG Auth and SIG Security, faced contributor-time and consensus challenges, and encouraged newcomers to join meetings and review materials to get involved.

aks: Release 2025-10-12

Release notes from AKS

2025-10-17

AKS release 2025-10-12 announces OS retirements and upgrades, new billing for AKS Automatic, LTS patch releases, feature additions (GPU skip drivers, Envoy filters for Istio, VPA mode), behavioral changes to autoscaling and node provisioning, and multiple component and image updates across Azure Linux and Ubuntu node images and CSI/CNI/monitoring components.

azure: [Launched] Generally Available: New OS SKU enum to migrate to Azure Linux 3.0

Azure Updates

2025-10-17

Azure now provides a new OS SKU enum, 'AzureLinux3', that lets you migrate to Azure Linux 3.0 for clusters running Kubernetes versions 1.28–1.36. The option gives increased control over OS upgrades by decoupling them from Kubernetes upgrades.

azure: [Launched] Generally Available: Open-Source - Containerization Assist MCP Server

Azure Updates

2025-10-13

Microsoft announced the general availability of the open-source Containerization Assist MCP Server, a full containerization platform that automates Dockerfile creation and Kubernetes manifest generation to reduce manual, error-prone work. The service is built on the proven AKS Draft technology and aims to be more than a basic AI coding tool by providing end-to-end containerization support.

azure: [Launched] Generally Available: AI toolchain operator add-on (KAITO) for AKS

Azure Updates

2025-10-07

Microsoft announced general availability of the AI toolchain operator add-on (KAITO) for Azure Kubernetes Service (AKS). KAITO streamlines deployment of AI inference and fine-tuning workflows using popular open-source frameworks, with vLLM set as the default inference engine to simplify management and scaling of model serving.

k8s: Introducing Headlamp Plugin for Karpenter - Scaling and Visibility

Kubernetes Official Blog

2025-10-06

The Headlamp Karpenter Plugin integrates Karpenter autoscaling visibility into the Headlamp Kubernetes UI, providing real‑time maps, metrics, scaling decisions, pending‑pod diagnostics, and an editable, validated config editor to help users understand, debug, and tune node provisioning and autoscaling behavior.

September (2)

aks: Release 2025-09-21

Release notes from AKS

2025-09-27

AKS release v20250921 includes new previews and GA features, multiple deprecations and retirements, security and component upgrades, bug fixes, and several behavioural changes. Important actions: upgrade clusters from deprecated Kubernetes/Azure Linux versions, migrate deprecated add-ons, and review node pool and networking defaults to ensure compatibility.

azure: Retirement: Azure App Service on Azure Arc enabled Kubernetes

Azure Updates

2025-09-26

Azure App Service on Azure Arc enabled Kubernetes will be retired beginning September 30, 2025. After that date customers will no longer be able to install the extension; Microsoft requests customers migrate to other solutions to continue hosting application workloads.