String CRAWLER_DOCUMENT_HTML_DIGEST_XPATH = "crawler.document.html.digest.xpath";

    /** The key of the configuration. e.g. //LINK[@rel='canonical'][1]/@href */
    String CRAWLER_DOCUMENT_HTML_CANONICAL_XPATH = "crawler.document.html.canonical.xpath";

    /** The key of the configuration. e.g. noscript,script,style,header,footer,aside,nav,a[rel=nofollow] */

- Added warnings to the Services API. Kubernetes now warns for Services in the case of:
  - IPv4 addresses with leading zeros
  - IPv6 address in non-canonical format (RFC 5952) ([#114505](https://github.com/kubernetes/kubernetes/pull/114505), [@aojea](https://github.com/aojea))

* fix the error prone account creation method of blob disk ([#59739](https://github.com/kubernetes/kubernetes/pull/59739), [@andyzhangx](https://github.com/andyzhangx))
* Get parent dir via canonical absolute path when trying to judge mount-point ([#58433](https://github.com/kubernetes/kubernetes/pull/58433), [@yue9944882](https://github.com/yue9944882))

* fix race condition issue when detaching azure disk ([#60183](https://github.com/kubernetes/kubernetes/pull/60183), [@andyzhangx](https://github.com/andyzhangx))
* Get parent dir via canonical absolute path when trying to judge mount-point ([#58433](https://github.com/kubernetes/kubernetes/pull/58433), [@yue9944882](https://github.com/yue9944882))

options and environments where the kubelet runs in a container and the device location should be specified. ([#58816](https://github.com/kubernetes/kubernetes/pull/58816), [@croomes](https://github.com/croomes))

* Get parent dir via canonical absolute path when trying to judge mount-point, fixing a problem that caused an NFS volume with improper permissions to get stuck in `TERMINATING` status. ([#58433](https://github.com/kubernetes/kubernetes/pull/58433), [@yue9944882](https://github.com/yue9944882))...

* fix azure file plugin failure issue on Windows after node restart ([#60625](https://github.com/kubernetes/kubernetes/pull/60625), [@andyzhangx](https://github.com/andyzhangx))
* Get parent dir via canonical absolute path when trying to judge mount-point ([#58433](https://github.com/kubernetes/kubernetes/pull/58433), [@yue9944882](https://github.com/yue9944882))

    * ...
    * I0109 11:17:59.430113       1 vsphere.go:1334] The canonical volume path for the newly created vSphere volume is "[vsanDatastore] 98db185c-6683-d8c7-bc55-0200435ec5da/kubernetes-dynamic-pvc-34650c12-1400-11e9-aef4-005056804cc9.vmdk"
    * Ran regression tests (no zone) and they passed.

*...

...

* When performing a GET then PUT, the kube-apiserver must write the canonical representation of the object to etcd if the current value does not match. That allows external agents to migrate content in etcd from one API version to another, across different storage types, or across varying encryption levels. This fixes a bug...