Also folds in the spec correction noted in the plan's known follow-up \#1: subscribe takes consumerFeature: string as a second arg between descriptor and handler. § 3.3 and § 5.4 updated.
Also folds in the spec correction noted in the plan's known follow-up \#1: subscribe takes consumerFeature: string as a second arg between descriptor and handler. § 3.3 and § 5.4 updated.