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Much work remains to be done on TomEE Plus, the flavor of TomEE where the uncertified JMS, JAX-RS, JAX-WS and Java EE Connector functionality lives. There is desire to certify this as well, though, that will likely be months off.
1 https://blogs.apache.org/foundation/entry/the_apache_software_foundation_announces17
2 http://www.infoworld.com/d/application-development/apache-tomee-web-stack-gains-approval-175341
3 http://jaxenter.com/tomee-be-small-be-certified-be-tomcat-38434.html