You can use daml damlc inspect like this:
> daml damlc inspect .daml/dist/create-daml-app-0.1.0.dar | grep daml-lf
daml-lf 1.15
You can use daml damlc inspect like this:
> daml damlc inspect .daml/dist/create-daml-app-0.1.0.dar | grep daml-lf
daml-lf 1.15