- Build: Enable kube-cross image-building on K8s Infra ([#88595](https://github.com/kubernetes/kubernetes/pull/88595), [@justaugustus](https://github.com/justaugustus)) [SIG Release and Testing]
- Fix /readyz to return error immediately after a shutdown is initiated, before the --shutdown-delay-duration has elapsed. ([#88953](https://github.com/kubernetes/kubernetes/pull/88953), [@tkashem](https://github.com/tkashem)) [SIG API Machinery]

### Other notable changes

* Connections from Pods to Services with 0 endpoints will now ICMP reject immediately, rather than blackhole and timeout. ([#72534](https://github.com/kubernetes/kubernetes/pull/72534), [@thockin](https://github.com/thockin))

- If `kubeadm reset` finds no etcd member ID for the peer it removes during the `remove-etcd-member` phase, it continues immediately to other phases, instead of retrying the phase for up to 3 minutes before continuing. ([#117948](https://github.com/kubernetes/kubernetes/pull/117948), [@dlipovetsky](https://github.com/dlipovetsky)) [SIG Cluster Lifecycle]

* Fixed an issue with informers missing an `Added` event if a recently deleted object was immediately recreated at the same time the informer dropped a watch and relisted. ([#83911](https://github.com/kubernetes/kubernetes/pull/83911), [@matte21](https://github.com/matte21))

### Other notable changes

* Connections from Pods to Services with 0 endpoints will now ICMP reject immediately, rather than blackhole and timeout. ([#72534](https://github.com/kubernetes/kubernetes/pull/72534), [@thockin](https://github.com/thockin))

## Changelog since v1.10.11

### Other notable changes

* Updates defaultbackend to 1.5 ([#69381](https://github.com/kubernetes/kubernetes/pull/69381), [@bowei](https://github.com/bowei))
* Immediately close the other side of the connection when proxying. ([#67288](https://github.com/kubernetes/kubernetes/pull/67288), [@MHBauer](https://github.com/MHBauer))

* Verify invalid secret/configmap/projected volumes before calling setup ([#68691](https://github.com/kubernetes/kubernetes/pull/68691), [@gnufied](https://github.com/gnufied))
* Immediately close the other side of the connection when proxying. ([#67288](https://github.com/kubernetes/kubernetes/pull/67288), [@MHBauer](https://github.com/MHBauer))

* Fixed a bug in the API server watch cache, which could cause a missing watch event immediately after cache initialization. ([#49992](https://github.com/kubernetes/kubernetes/pull/49992), [@liggitt](https://github.com/liggitt))



# v1.6.8

- Build: Enable kube-cross image-building on K8s Infra ([#88596](https://github.com/kubernetes/kubernetes/pull/88596), [@justaugustus](https://github.com/justaugustus)) [SIG Release and Testing]
- Fix /readyz to return error immediately after a shutdown is initiated, before the --shutdown-delay-duration has elapsed. ([#88954](https://github.com/kubernetes/kubernetes/pull/88954), [@tkashem](https://github.com/tkashem)) [SIG API Machinery]

* Fixed an issue with informers missing an `Added` event if a recently deleted object was immediately recreated at the same time the informer dropped a watch and relisted. ([#83911](https://github.com/kubernetes/kubernetes/pull/83911), [@matte21](https://github.com/matte21))