[immutant.web.internal.undertow$create_http_handler$reify__17886 handleRequest undertow.clj 239] [org.projectodd.wunderboss.web.undertow.async.websocket.UndertowWebsocket$2 handleRequest UndertowWebsocket.java 109]

does immutant upgrade to websockets by default?

I got the following in the log and I need to know if my conclusion is right or wrong