- ServiceAccount metadata.annotations[kubernetes.io/enforce-mountable-secrets]: deprecated since v1.32; no removal deadline. Prefer separate namespaces to isolate access to mounted secrets. ([#128396](https://github.com/kubernetes/kubernetes/pull/128396), [@ritazh](https://github.com/ritazh)) [SIG API Machinery, Apps, Auth, CLI and Testing]

### API Change

- Pod will not start when Init container was OOM killed. ([#104650](https://github.com/kubernetes/kubernetes/pull/104650), [@yxxhero](https://github.com/yxxhero)) [SIG Node]
- PodResources interface was changed, now it returns only isolated CPUs ([#97415](https://github.com/kubernetes/kubernetes/pull/97415), [@AlexeyPerevalov](https://github.com/AlexeyPerevalov))

- Fluentd: isolate logging resources in separate namespace `logging` ([#68004](https://github.com/kubernetes/kubernetes/pull/68004), [@saravanan30erd](https://github.com/saravanan30erd))

Pid Limiting is Graduating to Beta ([#757](https://github.com/kubernetes/enhancements/issues/757))

- Prevents a pod from starving pid resource
- Ability to isolate pid resources pod-to-pod and node-to-pod
kubernetes/kubernetes: [#73651](https://github.com/kubernetes/kubernetes/pull/73651)

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The RuntimeClass alpha feature enables a node to surface multiple runtime options to support a variety of workload types.  Examples include native linux containers, and “sandboxed” containers that isolate the container from the host kernel.

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* Refactor calling each a path operation's handler function in an isolated function, to simplify profiling. PR [#1027](https://github.com/tiangolo/fastapi/pull/1027) by [@sm-Fifteen](https://github.com/sm-Fifteen).