There are a few manual steps required to upgrade from 7.0.x to 7.1 which as been documented in the Using AMQ Broker guide [1]. This information should also be added to the Important Notes section of the Release Notes.

[1] https://access.redhat.com/documentation/en-us/red_hat_jboss_amq/7.1/html/using_amq_broker/patching_and_upgrading#upgrading_7.1