There are several artifacts downgraded in 2.3.10.ER1 build compare to 2.3.6.CR1:

artefact 2.3.6.CR1.version 2.3.10.ER1.version
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org.amqphub.spring:amqp-10-jms-spring-boot-autoconfigure 2.3.3.redhat-00001 2.2.7.redhat-00002
org.amqphub.spring:amqp-10-jms-spring-boot-parent 2.3.3.redhat-00001 2.2.7.redhat-00002
org.amqphub.spring:amqp-10-jms-spring-boot-starter 2.3.3.redhat-00001 2.2.7.redhat-00002

org.apache.qpid:proton-j 0.33.6.redhat-00001 0.33.4.redhat-00001
org.apache.qpid:proton-j-parent 0.33.6.redhat-00001 0.33.4.redhat-00001
org.apache.qpid:qpid-jms-client 0.53.0.redhat-00001 0.51.0.redhat-00002
org.apache.qpid:qpid-jms-parent 0.53.0.redhat-00001 0.51.0.redhat-00002

org.apache:apache 23.0.0.redhat-00001 21.0.0.redhat-00001

You can see more artefacts changes in diff reports attached in zip.