Kubernetes 1.35 "Timbernetes" dropped on December 17, 2025, fundamentally changing how we operate clusters. This deep dive covers the 60 enhancements, 3 breaking changes that will bite you if unprepared, and in-place pod resize graduating to GA after six years of development. What You'll Learn:• Breaking Changes: cgroup v1 REMOVED (not deprecated), containerd 1.x EOL, IPVS deprecated• In-Place Pod Resize GA: Resize CPU/memory without pod restart - 6 years from KEP to stable• Pod Certificates Beta: Native kubelet-managed mTLS for zero-trust pod-to-pod auth• Gang Scheduling Alpha: Native all-or-nothing scheduling for AI/ML distributed training• Alpha Features: Node Declared Features, Partitionable Devices, Extended Toleration Operators• Practical Upgrade Checklist: What to audit and test before upgrading Resources:• Episode page: https://platformengineering.org/podcasts/00065-kubernetes-1-35-timbernetes-deep-dive• Kubernetes 1.35 Release Blog: https://kubernetes.io/blog/2025/12/17/kubernetes-v1-35-release/• KEP-1287 In-Place Resize: https://github.com/kubernetes/enhancements/issues/1287• KEP-4317 Pod Certificates: https://github.com/kubernetes/enhancements/issues/4317 #Kubernetes #K8s #PlatformEngineering #DevOps #CloudNative #Timbernetes #ContainerOrchestration #InPlaceResize #GangScheduling #AI #ML