There is different JGroups and Netty version in EAP 7.0.0.ER7 zip and dependencies downloaded by wildfly-jms-client-bom:
EAP 7.0.0.ER7 contains Netty 4.0.32 but bom 4.0.30
EAP 7.0.0.ER7 contains JGroups 3.6.8 but bom 3.6.0
Those versions should be in sync.
No issue was found.
Priority can be increased if issue occurs.