PS: I am so glad I haven't restarted Discord in a couple months as this would have drove me insane earlier. All launch arguments have to be entered with a dash either into desktop shortcut address, command line, Steam launch options, or Epic Games additional. In the current instance it just is going to push people away from Discord because who wants a notification pretty much permanently on their screen to go live when they are not a streamer? Or maybe they are streaming through a different method, who wants that nag ruining their stream? Half-baked features put in to the application like this upset people by breaking something that worked perfectly before. Not everyone who uses discord streams, not everyone who streams wants to use discord, let us choose to have that notification or not. Honestly due to that I will probably never use the overlay again because last thing I need is a pop-up every 5 seconds taking up screen space while gaming to annoy the living hell out of me. Thankfully I found out it was due to the discord overlay so no more seeing who is talking for me because you want to nag us to death and take up our screen space just so we might think of streaming through discord. This has to be the worst and most annoying 'feature' added to Discord, I can click the X button on the notification and it just re-pops 5 seconds later.

Disable steam overlay launch option