Welcome to the Cosmic Desktop Enviroment Wiki.
                        
Here I will explain to you how to install Cosmic and it's dependencies as well. 

So in order to use the Cosmic Desktop Enviroment and your audio device on Slackware. You will need to have enabled Pulse Audio and disabled PipeWire. This bug has been reported by r-tz on our Discord Channel in the Cosmic Thread. Also right now Cosmic is following git master to keep up with the changes that are going on under the hood.