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Kubernetes 1.34 ships with Dynamic Resource Allocation (DRA) graduating to stable, scheduler improvements, and CEL-based mutating admission policies that replace webhooks. A practical rundown of what is safe to upgrade now, what can wait, and what actually changes for teams running production clusters.
Dependabot and Renovate chase the same goal with different philosophies. I compare both after years running them on my own and client projects, covering when one fits better and when the other suits a team's workflow more.
Kubernetes 1.27 ("Chill Vibes"), released in April 2023, makes SeccompDefault stable so pods get safer syscall defaults automatically, moves KMS v2 to beta with rotatable encryption keys for etcd secrets, and stabilises scheduling gates. It also removes PodSecurityPolicy for good: without migrating to Pod Security Admission first, the upgrade is blocked entirely.
