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Kubernetes 1.35 GA consolidates three releases of work: native sidecars with full lifecycle management, generalised DRA for FPGAs and NPUs, and a scheduler that cuts resource waste by 15-25% in heterogeneous clusters. An operations-side balance sheet: what to enable now, what to watch before migrating, and what path to follow from 1.30.
Seven years on, the Site Reliability Workbook still earns its place in small teams through a handful of patterns: SLOs set slightly below what you already achieve, so the error budget is real and negotiable; a 28 to 30 day rolling window; and blameless postmortems that drop punishment while keeping accountability.
Kubernetes 1.30, released in April 2024, brings ValidatingAdmissionPolicy to general availability, eliminating the need for external webhooks for CEL-based admission policies. It adds pod scheduling readiness to control when a pod enters the scheduling cycle, and job success policy to define which index combination counts as success in distributed indexed Jobs.
Google's SRE book (2016) is canonical reading, but it is written for thousands of engineers and in-house datacenters: applying it literally on a small team creates friction. Five principles do travel (SLOs, error budgets, blameless postmortems, toil management, humane on-call); what does not scale is Google's infrastructure and dedicated roles.
