* Scale kube-proxy conntrack limits by cores (new default behavior) ([#28876](https://github.com/kubernetes/kubernetes/pull/28876), [@thockin](https://github.com/thockin))
* [Kubelet] Improving QOS in kubelet by introducing QoS level Cgroups - `--cgroups-per-qos` ([#27853](https://github.com/kubernetes/kubernetes/pull/27853), [@dubstack](https://github.com/dubstack))

- When specifying `--(kube|system)-reserved-cgroup`, with `--cgroup-driver=systemd`, it is now possible to use the fully qualified cgroupfs name (i.e. `/test-cgroup.slice`). ([#78793](https://github.com/kubernetes/kubernetes/pull/78793), [@mattjmcnaughton](https://github.com/mattjmcnaughton))

- Fixed occasional pod cgroup freeze when using cgroup v1 and systemd driver.

  vendor: Updated `k8s.io/system-validators` to `v1.12.1`. The cgroups validator now throws an error instead of a warning if cgroups v1 is detected on the host and the provided KubeletVersion is `v1.35` or newer.
  

```

The search filter must use the username or the DN to find the user's groups. This is done via [variable substitution](#variable-substitution-in-configuration-strings).

A group's DN may be associated with an [access policy](#managing-usergroup-access-policy).

#### Nested groups usage in LDAP/AD
If you are using Active directory with nested groups you have to add LDAP_MATCHING_RULE_IN_CHAIN: :1.2.840.113556.1.4.1941: to your query.

        return DocumentUtil.getValue(attributes, "email", String.class);
    }

    /**
     * Gets the user groups.
     *
     * @return the user groups
     */
    public String[] getUserGroups() {
        String[] userGroups = DocumentUtil.getValue(attributes, "groups", String[].class);
        if (userGroups == null) {
            userGroups = getDefaultGroupsAsArray();
        }
        return userGroups;

    "groups" : [ {
      "testProject" : "largeEmptyMultiProjectDeclarativeDsl",
      "coverage" : {
        "per_commit" : [ "linux", "macOs", "windows" ]
      }
    } ]
  }, {
    "testId" : "org.gradle.performance.experiment.declarativedsl.DeclarativeDslFirstUsePerformanceTest.clean checkout",
    "groups" : [ {
      "testProject" : "largeEmptyMultiProjectDeclarativeDsl",

cn: Cody Thomas
sn: Thomas
uid: cody3
mail: ******@****.***
userPassword: {SSHA}H8B0gaOd4bRklK3fXj9ltHvJXWQFXW5Q

# Create groups ou for hwengg
dn: ou=groups,ou=hwengg,dc=min,dc=io
objectclass: organizationalUnit
ou: groups
description: groups branch

# Create project groups

dn: cn=projectx,ou=groups,ou=hwengg,dc=min,dc=io
objectclass: groupofnames
cn: projectx
description: Project X group members

cn: Cody Thomas
sn: Thomas
uid: cody3
mail: ******@****.***
userPassword: {SSHA}H8B0gaOd4bRklK3fXj9ltHvJXWQFXW5Q

# Create groups ou for hwengg
dn: ou=groups,ou=hwengg,dc=min,dc=io
objectclass: organizationalUnit
ou: groups
description: groups branch

# Create project groups

dn: cn=projectx,ou=groups,ou=hwengg,dc=min,dc=io
objectclass: groupofnames
cn: projectx
description: Project X group members

         * @param nameidSPNameQualifier The name ID SP name qualifier.
         * @param groups The groups.
         * @param roles The roles.
         */
        public SamlUser(final String nameId, final String sessionIndex, final String nameIdFormat, final String nameidNameQualifier,
                final String nameidSPNameQualifier, final String[] groups, final String[] roles) {
            this.nameId = nameId;