OCI private
Just add oci:// to your chart name and define a registry.
cat helmwave.yml
version: 0.24.4
registries:
  - host: localhost:5000
    username: <pass_username_here>
    password: <pass_password_here>
releases:
  - name: my
    chart:
      name: oci://localhost:5000/my-chart
      version: 0.2.0 # prefer