jberet-core 1.3.1.Final was released on 2018-07-30 out of jberet/jsr352 1.3.x branch
The list of Issues resolved in this maintenance release:
https://issues.jboss.org/projects/JBERET/versions/12337765
For status of WildFly integration, see [WFLY-10662] Upgrade JBeret from 1.3.0.Final to 1.3.1.Final - JBoss Issue Tracker
