- The new feature gate "SidecarContainers" is now available. This feature introduces sidecar containers, a new type of init container that starts before other containers but remains running for the full duration of the pod's lifecycle and will not block pod termination. ([#116429](https://github.com/kubernetes/kubernetes/pull/116429), [@gjkim42](https://github.com/gjkim42)) [SIG API Machinery, Apps, Node, Scheduling and Testing]

			}
			if source.ServiceAccountToken.ExpirationSeconds > 1<<32 {
				allErrs = append(allErrs, field.Invalid(projPath.Child("expirationSeconds"), source.ServiceAccountToken.ExpirationSeconds, "may not specify a duration larger than 2^32 seconds"))
			}
			if source.ServiceAccountToken.Path == "" {

* Add CLUSTER_SIGNING_DURATION environment variable to cluster ([#52497](https://github.com/kubernetes/kubernetes/pull/52497), [@jcbsmpsn](https://github.com/jcbsmpsn))
    * configuration scripts to allow configuration of signing duration of
    * certificates issued via the Certificate Signing Request API.

- A new sleep action for the `PreStop` lifecycle hook was added, allowing containers to pause for a specified duration before termination. ([#119026](https://github.com/kubernetes/kubernetes/pull/119026), [@AxeZhan](https://github.com/AxeZhan))

class MaxHistory$1 { } org/junit/experimental/max/MaxHistory.class package org.junit.experimental.max; public synchronized class MaxHistory implements java.io.Serializable { private static final long serialVersionUID = 1; private final java.util.Map fDurations; private final java.util.Map fFailureTimestamps; private final java.io.File fHistoryStore; public static MaxHistory forFolder(java.io.File); private static MaxHistory readHistory(java.io.File) throws CouldNotReadCoreExce; private void MaxHistory(java.io.File);...

- The `WaitFor` and `WaitForWithContext` functions in the wait package have now been marked private. Callers should use the equivalent `Poll*` method with a zero duration interval. ([#115116](https://github.com/kubernetes/kubernetes/pull/115116), [@smarterclayton](https://github.com/smarterclayton))