https://twitter.com/grailsframework/status/1166777218703511552 Come celebrate the 20th anniversary of the Apache Software Foundation and join @paulk_asert as he presents the latest features in @ApacheGroovy at @ApacheCon North America in Las Vegas. Today's the last day for discounted rates! https://t.co/4zppluIyPB #ACNA19 #GroovyLang https://t.co/2i5zEBxn7s Twitter