* Block device support has been added for azure disk. ([#63841](https://github.com/kubernetes/kubernetes/pull/63841), [@andyzhangx](https://github.com/andyzhangx))
* Azure VM names can now contain the underscore (`_`) character ([#63526](https://github.com/kubernetes/kubernetes/pull/63526), [@djsly](https://github.com/djsly))
* Azure disks now support external resource groups.

            use_annotation,
            field_info,
            param_name,
        )
        if not field_info.alias and getattr(field_info, "convert_underscores", None):
            alias = param_name.replace("_", "-")
        else:
            alias = field_info.alias or param_name
        field_info.alias = alias
        field = create_response_field(

 *  New: OkHttp includes a user-agent by default, like `okhttp/2.1.0-RC1`.
 *  Fix: Handle response code `308 Permanent Redirect`.
 *  Fix: Don't skip the callback if a call is canceled.
 *  Fix: Permit hostnames with underscores.
 *  Fix: Permit overriding the content-type in `OkApacheClient`.
 *  Fix: Use the socket factory for direct connections.
 *  Fix: Honor `OkUrlFactory` APIs that disable redirects.

ldap.admin.group.object.classes=groupOfNames
ldap.admin.sync.password=true

ldap.auth.validation=true
ldap.max.username.length=-1
ldap.ignore.netbios.name=true
ldap.group.name.with.underscores=false
ldap.lowercase.permission.name=false
ldap.allow.empty.permission=true

ldap.role.search.user.enabled=true
ldap.role.search.group.enabled=true
ldap.role.search.role.enabled=true

    /** The key of the configuration. e.g. true */
    String LDAP_IGNORE_NETBIOS_NAME = "ldap.ignore.netbios.name";

    /** The key of the configuration. e.g. false */
    String LDAP_GROUP_NAME_WITH_UNDERSCORES = "ldap.group.name.with.underscores";

    /** The key of the configuration. e.g. false */
    String LDAP_LOWERCASE_PERMISSION_NAME = "ldap.lowercase.permission.name";

    /** The key of the configuration. e.g. true */

* Allow Secret & ConfigMap keys to contain caps, dots, and underscores ([#25458](https://github.com/kubernetes/kubernetes/pull/25458), [@errm](https://github.com/errm))

* Using `kubectl describe` on CRDs that use underscores will be prettier. ([#65391](https://github.com/kubernetes/kubernetes/pull/65391), [@smarterclayton](https://github.com/smarterclayton))