title: Approve multiple candidates with a single signature

doc:
  - audience: Node Operator
    description: |
      Changed approval-voting, approval-distribution to approve multiple candidate with a single message, it adds:
      * A new parachains_db version.
      * A new validation protocol to support the new message types.
      The new logic will be disabled and will be enabled at a later date after all validators have upgraded.

migrations:
  db:
    - name: Parachains database change from v4 to v5.
      description: |
        Approval-voting column format has been updated with several new fields. All existing data will be automatically
        be migrated to the new values.

crates:
  - name: "polkadot"

host_functions: []