### Bug or Regression

- Fixes a spurious "namespace not found" error possible in default configurations in 1.30+ when using ValidatingAdmissionPolicy or MutatingAdmissionPolicy to intercept namespaced objects in newly-created namespaces ([#135444](https://github.com/kubernetes/kubernetes/pull/135444), [@lalitc375](https://github.com/lalitc375)) [SIG API Machinery]

- Fixed a spurious `namespace not found` error in default `v1.30+` configurations when using `ValidatingAdmissionPolicy` or `MutatingAdmissionPolicy` to intercept namespaced objects in newly-created namespaces. ([#135359](https://github.com/kubernetes/kubernetes/pull/135359), [@liggitt](https://github.com/liggitt))

- Fixes a spurious "namespace not found" error possible in default configurations in 1.30+ when using ValidatingAdmissionPolicy or MutatingAdmissionPolicy to intercept namespaced objects in newly-created namespaces ([#135443](https://github.com/kubernetes/kubernetes/pull/135443), [@lalitc375](https://github.com/lalitc375)) [SIG API Machinery]

- Fixes an issue that can result in namespaced custom resources being orphaned when their namespace is deleted, if the CRD defining the custom resource is removed concurrently with namespaces being deleted, then recreated. ([#93790](https://github.com/kubernetes/kubernetes/pull/93790), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Apps]

* Addon manager supports HA masters. ([#55782](https://github.com/kubernetes/kubernetes/pull/55782), [@x13n](https://github.com/x13n))

### Bug or Regression

- Fixes a spurious "namespace not found" error possible in default configurations in 1.30+ when using ValidatingAdmissionPolicy or MutatingAdmissionPolicy to intercept namespaced objects in newly-created namespaces ([#135442](https://github.com/kubernetes/kubernetes/pull/135442), [@lalitc375](https://github.com/lalitc375)) [SIG API Machinery]

import org.junit.jupiter.api.extension.ExtensionContext.Namespace
import org.junit.platform.commons.support.AnnotationSupport.findAnnotatedFields

/** Implements the policy specified by [StartStop]. */
internal class StartStopExtension :
  BeforeEachCallback,
  BeforeAllCallback {
  override fun beforeAll(context: ExtensionContext) {
    val store = context.getStore(Namespace.create(StartStop::class.java))

    val staticFields =

- Kubectl apply: warning that kubectl will ignore no-namespaced resource `pv & namespace` in a future release if the namespace is specified and allowlist is not specified. ([#110907](https://github.com/kubernetes/kubernetes/pull/110907), [@pacoxu](https://github.com/pacoxu))

    }

    /**
     * Sets the namespace for the crawling session.
     * The namespace is used to organize and identify crawling activities.
     *
     * @param namespace the namespace identifier for the crawling session
     * @return this CrawlJob instance for method chaining
     */
    public CrawlJob namespace(final String namespace) {
        this.namespace = namespace;
        return this;
    }

    /**

            Node parent = namespaceContext;
            String namespace = null;

            if ("xml".equals(prefix)) {
                namespace = "http://www.w3.org/XML/1998/namespace";
            } else {
                int type;
                while (null != parent && null == namespace