Kubernetes v1.32: Penelope

Kubernetes v1.32: Penelope Release theme and logo Updates to recent key features A note on DRA enhancements Quality of life improvements on nodes and sidecar containers update Highlights of features graduating to Stable Custom Resource field selectors Support to size memory backed volumes Bound service account token improvement Structured authorization configuration Auto remove PVCs created by StatefulSet Highlights of features graduating to Beta Job API managed-by mechanism Only allow anonymous auth for configured endpoints Per-plugin callback functions for accurate requeueing in kube-scheduler enhancements Recover from volume expansion failure Volume group snapshot Structured parameter support Label and field selector authorization Highlights of new features in Alpha Asynchronous preemption in the Kubernetes Scheduler Mutating admission policies using CEL expressions Pod-level resource specifications Allow zero value for sleep action of PreStop hook DRA: Standardized network interface data for resource claim status New statusz and flagz endpoints for core components Windows strikes back! Graduations, deprecations, and removals in 1.32 Graduations to Stable Deprecations and removals Release notes and upgrade actions required Availability Release team Project velocity Event updates Upcoming release webinar Get involved Editors: Matteo Bianchi, Edith Puclla, William Rizzo, Ryota Sawada, Rashan Smith Announcing the release of Kubernetes v1.32: Penelope! In line with previous releases, the release of Kubernetes v1.32 introduces new stable, beta, and alpha features. The consistent delivery of high-quality releases underscores the strength of our development cycle and the vibrant support from our community. This release consists of 44 enhancements in total. Of those enhancements, 13 have graduated to Stable, 12 are entering Beta, and 19 have entered in Alpha. The Kubernetes v1.32 Release Theme is "Penelope". If Kubernetes is Ancient Greek for "pilot", in this release we start from that origin and reflect on the last 10 years of Kubernetes and our accomplishments: each release cycle is a journey, and just like Penelope, in "The Odyssey", weaved for 10 years -- each night removing parts of what she had done during the day -- so does each release add new features and removes others, albeit here with a much clearer purpose of constantly improving Kubernetes. With v1.32 being the last release in the year Kubernetes marks its first decade anniversary, we wanted to honour all of those that have been part of the global Kubernetes crew that roams the cloud-native seas through perils and challanges: may we continue to weave the future of Kubernetes together. In this release, like the previous one, the Kubernetes project continues proposing a number of enhancements to the Dynamic Resource Allocation (DRA), a key component of the Kubernetes resource management system. These enhancements aim to improve the flexibility and efficiency of resource allocation for workloads that require specialized hardware, such as GPUs, FPGAs and network adapters. These features are particularly useful for use-cases such as machine learning or high-performance computing applications. The core part enabling DRA Structured parameter support got promoted to beta. SIG Node has the following highlights that go beyond KEPs: The systemd watchdog capability is now used to restart the kubelet when its health check fails, while also limiting the maximum number of restarts within a given time period.