- Fixed a bug that caused the `apiserver` to panic when trying to allocate a Service with a dynamic `ClusterIP` and was configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115322](https://github.com/kubernetes/kubernetes/pull/115322), [@aojea](https://github.com/aojea))
- Fixed a bug where Kubernetes would apply a default StorageClass to a PersistentVolumeClaim,

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*.user.fm

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fastvps-server.com
fastvps.host
myfast.host
fastvps.site
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// FearWorks Media Ltd. : https://fearworksmedia.co.uk
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- Node labels `beta.kubernetes.io/metadata-proxy-ready`, `beta.kubernetes.io/metadata-proxy-ready` and `beta.kubernetes.io/kube-proxy-ds-ready` are no longer added on new nodes.
  - ip-mask-agent addon starts to use the label `node.kubernetes.io/masq-agent-ds-ready` instead of `beta.kubernetes.io/masq-agent-ds-ready` as its node selector.

- Kubeadm: skip validating pod subnet against node-cidr-mask when allocate-node-cidrs is set to be false ([#98984](https://github.com/kubernetes/kubernetes/pull/98984), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

Four * 100   // product 400 cannot be represented as an int8 (type of Four)
</pre>

<p>
The mask used by the unary bitwise complement operator <code>^</code> matches
the rule for non-constants: the mask is all 1s for unsigned constants
and -1 for signed and untyped constants.
</p>

<pre>
^1         // untyped integer constant, equal to -2

### Bug or Regression

- Fix a bug that caused to panic the apiserver when trying to allocate a Service with a dynamic ClusterIP and it has been configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115334](https://github.com/kubernetes/kubernetes/pull/115334), [@aojea](https://github.com/aojea)) [SIG Network and Testing]

- Fix a bug that caused to panic the apiserver when trying to allocate a Service with a dynamic ClusterIP and it has been configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115333](https://github.com/kubernetes/kubernetes/pull/115333), [@aojea](https://github.com/aojea)) [SIG Testing]

* kubeadm config can now override the Node CIDR Mask Size passed to kube-controller-manager. ([#61705](https://github.com/kubernetes/kubernetes/pull/61705), [@jstangroome](https://github.com/jstangroome))

pkg net, method (IP) IsLinkLocalUnicast() bool
pkg net, method (IP) IsLoopback() bool
pkg net, method (IP) IsMulticast() bool
pkg net, method (IP) IsUnspecified() bool
pkg net, method (IP) Mask(IPMask) IP
pkg net, method (IP) String() string
pkg net, method (IP) To16() IP
pkg net, method (IP) To4() IP
pkg net, method (IPMask) Size() (int, int)
pkg net, method (IPMask) String() string