title: Zipkin integration with vert.x with 3.x version
body: <p>I see active work going on for vert.x integration with zipkin.
  <a href="https://github.com/eclipse-vertx/vertx-tracing" rel="nofollow noreferrer">https://github.com/eclipse-vertx/vertx-tracing</a></p>
  <p>Will it be backward compatible with vert.x 3.8.x version? If yes, can you share tentative timelines for the same?</p>