Kubernetes
@kubernetes.io
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#Kubernetes
: open source production-grade container orchestration management.
#CNCF
#K8s
Get excited for KubeCon! Badge pickup is available today from 8:00-17:00 EST in Building B. Check out the schedule and plan your week! We're excited to see you there!
events.linuxfoundation.org/kubecon-clou...
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Schedule | LF Events
View the KubeCon + CloudNativeCon North America 2025 Schedule & Directory.
https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america/program/schedule/
about 20 hours ago
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Gateway API 1.4: New Features-
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Gateway API 1.4: New Features
Ready to rock your Kubernetes networking? The Kubernetes SIG Network community presented the General Availability (GA) release of Gateway API (v1.4.0)! Released on October 6, 2025, version 1.4.0 reinforces...
https://kubernetes.io/blog/2025/11/06/gateway-api-v1-4/#Kubernetes
3 days ago
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Last Week in Kubernetes Development: Week Ending November 02, 2025 -
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Week Ending November 02, 2025
Developer News
https://lwkd.info/2025/20251106
4 days ago
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Kubernetes New Contributor Orientation is typically held on the third Tuesday of each month, in two timezones. Check out
k8s.dev/calendar
to add the next session to your calendar, and get started contributing!
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Community Calendar
Meetings in the Kubernetes Community
https://k8s.dev/calendar
7 days ago
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Last Week in Kubernetes Development: Week Ending October 26, 2025 -
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Week Ending October 26, 2025
Developer News
https://lwkd.info/2025/20251031
9 days ago
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Last Week in Kubernetes Development: Week Ending October 19, 2025 -
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Week Ending October 19, 2025
Developer News
https://lwkd.info/2025/20251022
18 days ago
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Follow Up - Preventing Upgrade Failures from etcd v3.5 to v3.6-
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Follow Up - Preventing Upgrade Failures from etcd v3.5 to v3.6
We have identified and fixed an additional scenario that may cause upgrade failures when moving from etcd v3.5 to v3.6. This post contains details, the fix, and additional workarounds. Please refer to...
https://etcd.io/blog/2025/upgrade_from_3.5_to_3.6_issue_followup/#Kubernetes
19 days ago
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7 Common Kubernetes Pitfalls (and How I Learned to Avoid Them)-
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7 Common Kubernetes Pitfalls (and How I Learned to Avoid Them)
It’s no secret that Kubernetes can be both powerful and frustrating at times. When I first started dabbling with container orchestration, I made more than my fair share of mistakes enough to compile...
https://kubernetes.io/blog/2025/10/20/seven-kubernetes-pitfalls-and-how-to-avoid/#Kubernetes
19 days ago
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Want to contribute to Kubernetes but don’t know where to start? Join the monthly New Contributor Orientation (NCO)! Date: Tue, Oct 21 Times: EMEA/APAC – 1:30 PT / 8:30 UTC / 14:00 IST AMER – 8:30 PT / 15:30 UTC / 21:00 IST Visit:
www.kubernetes.dev/docs/orienta...
to know more.
#Kubernetes
#FOSS
20 days ago
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Spotlight on Policy Working Group-
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Spotlight on Policy Working Group
(Note: The Policy Working Group has completed its mission and is no longer active. This article reflects its work, accomplishments, and insights into how a working group operates.) In the complex world...
https://kubernetes.io/blog/2025/10/18/wg-policy-spotlight-2025/#Kubernetes
20 days ago
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Blog: Spotlight on Policy Working Group-
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Spotlight on Policy Working Group
(Note: The Policy Working Group has completed its mission and is no longer active. This article reflects its work, accomplishments, and insights into how a working group operates.) In the complex world...
https://www.kubernetes.dev/blog/2025/10/18/wg-policy-spotlight-2025/#Kubernetes
21 days ago
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The K8s Contributor Comms Team needs YOUR help!! KubeCon NA is just around the corner, & we're prepping our social media coverage. We'll tell you what to write about & publish for you- all you have to do is write the post! Reach out in Slack to learn more-
kubernetes.slack.com/archives/C03...
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Slack
https://kubernetes.slack.com/archives/C03KT3SUJ20
23 days ago
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Last Week in Kubernetes Development: Week Ending October 12, 2025 -
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Week Ending October 12, 2025
Developer News
https://lwkd.info/2025/20251015
24 days ago
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Last Week in Kubernetes Development: Week Ending October 5, 2025 -
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Week Ending October 5, 2025
Developer News
https://lwkd.info/2025/20251010
about 1 month ago
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KubeCon + CloudNativeCon Europe Call for Proposals (CFP) deadline is 12 October at 23:59 (CET), make sure to submit your talk
events.linuxfoundation.org/kubecon-clou...
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Call For Proposals (CFP) | LF Events
KubeCon + CloudNativeCon gathers adopters and technologists from leading open source and cloud native communities from 23-26, March. Join our current graduated, incubating, and sandbox projects as…
https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/program/cfp/
about 1 month ago
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Introducing Headlamp Plugin for Karpenter - Scaling and Visibility-
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Introducing Headlamp Plugin for Karpenter - Scaling and Visibility
Headlamp is an open‑source, extensible Kubernetes SIG UI project designed to let you explore, manage, and debug cluster resources. Karpenter is a Kubernetes Autoscaling SIG node provisioning project...
https://kubernetes.io/blog/2025/10/06/introducing-headlamp-plugin-for-karpenter/#Kubernetes
about 1 month ago
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Introducing Headlamp Plugin for Karpenter - Scaling and Visibility-
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Introducing Headlamp Plugin for Karpenter - Scaling and Visibility
Headlamp is an open‑source, extensible Kubernetes SIG UI project designed to let you explore, manage, and debug cluster resources. Karpenter is a Kubernetes Autoscaling SIG node provisioning project...
https://kubernetes.io/blog/2025/09/23/introducing-headlamp-plugin-for-karpenter/#Kubernetes
about 1 month ago
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Autonomous Testing of etcd's Robustness-
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Autonomous Testing of etcd's Robustness
This is a post from the CNCF blog which we are sharing with our community as well. As a critical component of many production systems, including Kubernetes, the etcd project’s first priority is reliability....
https://etcd.io/blog/2025/autonomus_testing_with_antithesis/#Kubernetes
about 1 month ago
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CVE-2020-8562: Bypass of Kubernetes API Server proxy TOCTOU -
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CVE-2020-8562: Bypass of Kubernetes API Server proxy TOCTOU · Issue #101493 · kubernetes/kubernetes
CVSS Rating: Low (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N) A security issue was discovered in Kubernetes where an authorized user may be able to access private networks on the Kubernetes contr...
https://github.com/kubernetes/kubernetes/issues/101493
about 1 month ago
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Last Week in Kubernetes Development: Week Ending September 28, 2025 -
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Week Ending September 28, 2025
Developer News
https://lwkd.info/2025/20251002
about 1 month ago
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Kubernetes New Contributor Orientation is typically held on the third Tuesday of each month, in two timezones. Check out
k8s.dev/calendar
to add the next session to your calendar, and get started contributing!
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Community Calendar
Meetings in the Kubernetes Community
https://k8s.dev/calendar
about 1 month ago
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CVE-2020-8561: Webhook redirect in kube-apiserver -
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CVE-2020-8561: Webhook redirect in kube-apiserver · Issue #104720 · kubernetes/kubernetes
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver ...
https://github.com/kubernetes/kubernetes/issues/104720
about 1 month ago
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CVE-2021-25740: Endpoint & EndpointSlice permissions allow cross-Namespace forwarding -
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CVE-2021-25740: Endpoint & EndpointSlice permissions allow cross-Namespace forwarding · Issue #103675 · kubernetes/kubernetes
A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack. This issue has bee...
https://github.com/kubernetes/kubernetes/issues/103675
about 1 month ago
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Last Week in Kubernetes Development: Week Ending September 21, 2025 -
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Week Ending September 21, 2025
Developer News
https://lwkd.info/2025/20250925
about 1 month ago
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Announcing Changed Block Tracking API support (alpha)-
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Announcing Changed Block Tracking API support (alpha)
We're excited to announce the alpha support for a changed block tracking mechanism. This enhances the Kubernetes storage ecosystem by providing an efficient way for CSI storage drivers to identify changed...
https://kubernetes.io/blog/2025/09/25/csi-changed-block-tracking/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Pod Level Resources Graduated to Beta-
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Kubernetes v1.34: Pod Level Resources Graduated to Beta
On behalf of the Kubernetes community, I am thrilled to announce that the Pod Level Resources feature has graduated to Beta in the Kubernetes v1.34 release and is enabled by default! This significant...
https://kubernetes.io/blog/2025/09/22/kubernetes-v1-34-pod-level-resources/#Kubernetes
about 2 months ago
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Blog: Spotlight on the Kubernetes Steering Committee-
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Spotlight on the Kubernetes Steering Committee
This interview was conducted in August 2024, and due to the dynamic nature of the Steering Committee membership and election process it might not represent the actual composition accurately. The topics...
https://www.kubernetes.dev/blog/2025/09/22/k8s-steering-spotlight-2025/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Recovery From Volume Expansion Failure (GA)-
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Kubernetes v1.34: Recovery From Volume Expansion Failure (GA)
Have you ever made a typo when expanding your persistent volumes in Kubernetes? Meant to specify 2TB but specified 20TiB? This seemingly innocuous problem was kinda hard to fix - and took the project...
https://kubernetes.io/blog/2025/09/19/kubernetes-v1-34-recover-expansion-failure/#Kubernetes
about 2 months ago
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Last call! Today is the final day to share your feedback on multi-cluster setups--don't miss this chance to help support the direction of Open Source Kubernetes' new multi-cluster management and monitoring tool!
docs.google.com/forms/d/e/1F...
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User feedback Survey: Building Multi cluster Management and Monitoring tool.
Thank you for taking the time to participate in this survey! The Kubernetes SIG Multi cluster UX Working Group is conducting a survey to gather insights from users, operators, and developers on how…
https://docs.google.com/forms/d/e/1FAIpQLSfwWudp2t0LnXMLiCyv3yUxf_UmCBChN1whK0z3QCN5x8Dj6A/viewform
about 2 months ago
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Last Week in Kubernetes Development: Week Ending September 14, 2025 -
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Week Ending September 14, 2025
Developer News
https://lwkd.info/2025/20250918
about 2 months ago
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Kubernetes v1.34: DRA Consumable Capacity-
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Kubernetes v1.34: DRA Consumable Capacity
Dynamic Resource Allocation (DRA) is a Kubernetes API for managing scarce resources across Pods and containers. It enables flexible resource requests, going beyond simply allocating N number of devices...
https://kubernetes.io/blog/2025/09/18/kubernetes-v1-34-dra-consumable-capacity/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Pods Report DRA Resource Health-
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Kubernetes v1.34: Pods Report DRA Resource Health
The rise of AI/ML and other high-performance workloads has made specialized hardware like GPUs, TPUs, and FPGAs a critical component of many Kubernetes clusters. However, as discussed in a previous blog...
https://kubernetes.io/blog/2025/09/17/kubernetes-v1-34-pods-report-dra-resource-health/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Moving Volume Group Snapshots to v1beta2-
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Kubernetes v1.34: Moving Volume Group Snapshots to v1beta2
Volume group snapshots were introduced as an Alpha feature with the Kubernetes 1.27 release and moved to Beta in the Kubernetes 1.32 release. The recent release of Kubernetes v1.34 moved that support...
https://kubernetes.io/blog/2025/09/16/kubernetes-v1-34-volume-group-snapshot-beta-2/#Kubernetes
about 2 months ago
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CVE-2025-9708: Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks -
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CVE-2025-9708: Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks · Issue #134063 · kubernetes/kubernetes
CVSS Rating: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N — Medium (6.8) A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certi...
https://github.com/kubernetes/kubernetes/issues/134063
about 2 months ago
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Kubernetes v1.34: Decoupled Taint Manager Is Now Stable-
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Kubernetes v1.34: Decoupled Taint Manager Is Now Stable
This enhancement separates the responsibility of managing node lifecycle and pod eviction into two distinct components. Previously, the node lifecycle controller handled both marking nodes as unhealthy...
https://kubernetes.io/blog/2025/09/15/kubernetes-v1-34-decoupled-taint-manager-is-now-stable/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Autoconfiguration for Node Cgroup Driver Goes GA-
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Kubernetes v1.34: Autoconfiguration for Node Cgroup Driver Goes GA
Historically, configuring the correct cgroup driver has been a pain point for users running new Kubernetes clusters. On Linux systems, there are two different cgroup drivers: cgroupfs and systemd. In...
https://kubernetes.io/blog/2025/09/12/kubernetes-v1-34-cri-cgroup-driver-lookup-now-ga/#Kubernetes
about 2 months ago
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Run multi-cluster setups in production? Only 1 week left to share your feedback! Help support the direction of Open-Source Kubernetes’ new multi-cluster management & monitoring tool:
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User feedback Survey: Building Multi cluster Management and Monitoring tool.
Thank you for taking the time to participate in this survey! The Kubernetes SIG Multi cluster UX Working Group is conducting a survey to gather insights from users, operators, and developers on how…
https://docs.google.com/forms/d/e/1FAIpQLSfwWudp2t0LnXMLiCyv3yUxf_UmCBChN1whK0z3QCN5x8Dj6A/viewform
about 2 months ago
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Last Week in Kubernetes Development: Week Ending September 7, 2025 -
lwkd.info/2025/20250911
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Week Ending September 7, 2025
Developer News
https://lwkd.info/2025/20250911
about 2 months ago
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Kubernetes v1.34: Mutable CSI Node Allocatable Graduates to Beta-
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Kubernetes v1.34: Mutable CSI Node Allocatable Graduates to Beta
The functionality for CSI drivers to update information about attachable volume count on the nodes, first introduced as Alpha in Kubernetes v1.33, has graduated to Beta in the Kubernetes v1.34 release!...
https://kubernetes.io/blog/2025/09/11/kubernetes-v1-34-mutable-csi-node-allocatable-count/#Kubernetes
about 2 months ago
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Kubernetes v1.34: Use An Init Container To Define App Environment Variables-
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Kubernetes v1.34: Use An Init Container To Define App Environment Variables
Kubernetes typically uses ConfigMaps and Secrets to set environment variables, which introduces additional API calls and complexity, For example, you need to separately manage the Pods of your workloads...
https://kubernetes.io/blog/2025/09/10/kubernetes-v1-34-env-files/#Kubernetes
2 months ago
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Kubernetes v1.34: Snapshottable API server cache-
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Kubernetes v1.34: Snapshottable API server cache
For years, the Kubernetes community has been on a mission to improve the stability and performance predictability of the API server. A major focus of this effort has been taming list requests, which have...
https://kubernetes.io/blog/2025/09/09/kubernetes-v1-34-snapshottable-api-server-cache/#Kubernetes
2 months ago
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Kubernetes v1.34: VolumeAttributesClass for Volume Modification GA-
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Kubernetes v1.34: VolumeAttributesClass for Volume Modification GA
The VolumeAttributesClass API, which empowers users to dynamically modify volume attributes, has officially graduated to General Availability (GA) in Kubernetes v1.34. This marks a significant milestone,...
https://kubernetes.io/blog/2025/09/08/kubernetes-v1-34-volume-attributes-class/#Kubernetes
2 months ago
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The Kubernetes community mourns the sudden loss of Han Samuel Kang, 42, a talented engineer who brought exuberance to every contribution. He leaves behind a wife and two daughters. In lieu of flowers, please consider memorial donations:
gofund.me/5ef5290f9
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Donate to Support Tomo and Daughters After Han's Loss, organized by Sunny Kang
Han Kang, 42, passed away unexpectedly on September 3rd, 2025. Han's close fami… Sunny Kang needs your support for Support Tomo and Daughters After Han's Loss
https://gofund.me/5ef5290f9
2 months ago
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Kubernetes v1.34: Pod Replacement Policy for Jobs Goes GA-
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Kubernetes v1.34: Pod Replacement Policy for Jobs Goes GA
In Kubernetes v1.34, the Pod replacement policy feature has reached general availability (GA). This blog post describes the Pod replacement policy feature and how to use it in your Jobs. About Pod Replacement...
https://kubernetes.io/blog/2025/09/05/kubernetes-v1-34-pod-replacement-policy-for-jobs-goes-ga/#Kubernetes
2 months ago
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Reminder--if you run multi-cluster Kubernetes setups, we want your feedback! Open Source Kubernetes is building a tool for multi-cluster management and monitoring and would love to hear from you. Check out the survey here:
docs.google.com/forms/d/e/1F...
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User feedback Survey: Building Multi cluster Management and Monitoring tool.
Thank you for taking the time to participate in this survey! The Kubernetes SIG Multi cluster UX Working Group is conducting a survey to gather insights from users, operators, and developers on how…
https://docs.google.com/forms/d/e/1FAIpQLSfwWudp2t0LnXMLiCyv3yUxf_UmCBChN1whK0z3QCN5x8Dj6A/viewform
2 months ago
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PSI Metrics for Kubernetes Graduates to Beta-
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PSI Metrics for Kubernetes Graduates to Beta
As Kubernetes clusters grow in size and complexity, understanding the health and performance of individual nodes becomes increasingly critical. We are excited to announce that as of Kubernetes v1.34,...
https://kubernetes.io/blog/2025/09/04/kubernetes-v1-34-introducing-psi-metrics-beta/#Kubernetes
2 months ago
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CVE-2025-7445: secrets-store-sync-controller discloses service account tokens in logs -
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CVE-2025-7445: secrets-store-sync-controller discloses service account tokens in logs · Issue #133897 · kubernetes/kubernetes
A security issue was discovered in secrets-store-sync-controller where an actor with access to the controller logs could observe service account tokens. These tokens could then potentially be excha...
https://github.com/kubernetes/kubernetes/issues/133897
2 months ago
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Last Week in Kubernetes Development: Week Ending August 31, 2025 -
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Week Ending August 31, 2025
Developer News
https://lwkd.info/2025/20250904
2 months ago
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Last Week in Kubernetes Development: Week Ending August 31, 2025 -
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Week Ending August 31, 2025
Developer News
https://lwkd.info/2025/20250904
2 months ago
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Kubernetes v1.34: Service Account Token Integration for Image Pulls Graduates to Beta-
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Kubernetes v1.34: Service Account Token Integration for Image Pulls Graduates to Beta
The Kubernetes community continues to advance security best practices by reducing reliance on long-lived credentials. Following the successful alpha release in Kubernetes v1.33, Service Account Token...
https://kubernetes.io/blog/2025/09/03/kubernetes-v1-34-sa-tokens-image-pulls-beta/#Kubernetes
2 months ago
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