Seems like the message was there all along when we choose the runtime, e.g. Jupyterlab -> Python xx -> Edition: Nvidia GPU,  and enable Spark;   the message will appear: "Spark is not compatible with the selected Edition. If you enable Spark for the session, it can be used independently but it will not be accelerated" I didnt see the warning message before because have only allowed our own customized runtime, which didn't display this warning message. ... View more