Changelog v1.31.9

Know before update

The node.kubernetes.io/exclude-from-external-load-balancers label will be deleted from the master node group. It also can not be set manually in the current release.
Without the node.kubernetes.io/exclude-from-external-load-balancers label traffic can be directed to control plane nodes.
In the next release, migration will delete it, and users can add it manually if necessary.

[istio] AuthURL fix in external_auth.go hook. #1216
[node-manager] Add migration to remove node.kubernetes.io/exclude-from-external-load-balancers label from control-plane nodes #1218
The node.kubernetes.io/exclude-from-external-load-balancers label will be deleted from the master node group. It also can not be set manually in the current release.
Without the node.kubernetes.io/exclude-from-external-load-balancers label traffic can be directed to control plane nodes.
In the next release, migration will delete it, and users can add it manually if necessary.

See the CHANGELOG v1.31 for more details.