WildFly 14 is out! It is Java EE8 Certified and comes with MicroProfile support, High Performance Connection Pool and Mod-Cluster Multiplicity. For full release notes check this link. http://wildfly.org/news/2018/08/30/WildFly14-Final-Released/
In the 1.8.x series, SLF4J has been modularized per JPMS/Jigsaw specification. Moreover, slf4j-api now relies on the ServiceLoader mechanism to find its logging backend. ServiceLoader is available in Java 6 and later. https://www.slf4j.org/news.html
JUnit 5.3 has been released. It features Parallel test execution, output capture for System.out and System.err, new TestInstanceFactory extension API, custom test sources for dynamic tests and more. https://junit.org/junit5/docs/5.3.0/release-notes/