The Resolved Issues/Fixed issues page contains links for previous minor's micro releases. For example the latest 7.5 docs list micro releases for 7.4.1, 7.2.4, 7.2.3, 7.2.1. Similar issues occurs on the following pages:

7.1 contains the 7.0.x micros:
https://access.redhat.com/documentation/en-us/red_hat_amq/7.1/html/amq_broker_7.1_release_notes/resolved

7.3 contains the 7.2.x micros:
https://access.redhat.com/documentation/en-us/red_hat_amq/7.3/html/amq_broker_7.3_release_notes/resolved

7.4 contains the 7.2.x micros:
https://access.redhat.com/documentation/en-us/red_hat_amq/7.4/html/amq_broker_7.4_release_notes/resolved

7.4 contains the 7.4.x and 7.2.x micros:
https://access.redhat.com/documentation/en-us/red_hat_amq/7.5/html/release_notes_for_red_hat_amq_broker_7.5/resolved