# istio_56021.yaml
apiVersion: release-notes/v2
kind: bug-fix
area: security
issue:
- 56022
releaseNotes: 
- |
  **Fixed** sidecar with old CLUSTER_ID is now able to connect to istiod with new CLUSTER_ID when `--clusterAliases` command argument is being used.
- |
  **Added** validation for `--clusterAliases` command argument, that it shouldn't have more than one alias per cluster.