- A namespaced object with an ownerReference referencing a uid of a namespaced kind which does not exist in the same namespace is now consistently treated as though that owner does not exist, and the child object is deleted.

- Kubeadm: Consistently prefixed errors with error: when printing them. ([#132080](https://github.com/kubernetes/kubernetes/pull/132080), [@neolit123](https://github.com/neolit123))

For more information, see [#53040](https://github.com/kubernetes/kubernetes/issues/53040).

- Events reported for container creation, start, and stop now report the container name in the message and are more consistently formatted. ([#73892](https://github.com/kubernetes/kubernetes/pull/73892), [@smarterclayton](https://github.com/smarterclayton))

- Fixed incorrect handling by kubectl of custom resources whose Kind is "Status". ([#77368](https://github.com/kubernetes/kubernetes/pull/77368), [@liggitt](https://github.com/liggitt))
- Report cp errors consistently, providing full message whether copying to or from a pod.  ([#77010](https://github.com/kubernetes/kubernetes/pull/77010), [@soltysh](https://github.com/soltysh))
- Preserved existing namespace information in manifests when running `

- Apimachinery: Pretty printed JSON and YAML output is now indented consistently. ([#105466](https://github.com/kubernetes/kubernetes/pull/105466), [@liggitt](https://github.com/liggitt))

resource version option, when passed to a list call, is now consistently interpreted as the minimum allowed resource version.  Previously when listing resources that had the watch cache disabled clients could retrieve a snapshot at that exact resource version.  If the client requests a resource version newer than the current state, a TimeoutError is returned suggesting the client retry in a few seconds.  This behavior is now consistent for both single item retrieval and list calls, and for when the...

*   DaemonSet status includes a new field named `conditions`, making it consistent with other workloads controllers. ([#55272](https://github.com/kubernetes/kubernetes/pull/55272),[ @janetkuo](https://github.com/janetkuo))
*   StatefulSet status now supports conditions, making it consistent with other core controllers in v1 ([#55268](https://github.com/kubernetes/kubernetes/pull/55268),[ @foxish](https://github.com/foxish))

- Custom resource requests with `fieldValidation=Strict` consistently require `apiVersion` and `kind`, matching non-strict requests ([#109019](https://github.com/kubernetes/kubernetes/pull/109019), [@liggitt](https://github.com/liggitt))

  the `successThreshold`. ([#121206](https://github.com/kubernetes/kubernetes/pull/121206), [@mochizuki875](https://github.com/mochizuki875))