# istio_27425.yaml
apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management
issue:
  - 27425
releaseNotes:
  - |
    **Added** `REPLACE` operation for EnvoyFilter. `REPLACE` operation can replace the contents of a named filter with new contents. It is only valid for `HTTP_FILTER` and `NETWORK_FILTER`.