Bro has a kind of early 90s feel to it, and I don’t hear it too much these days.
I use “dude” for all kinds of people, male and my female. One of my female friends and I say dude so often that it’s basically punctuation at this point.
Recently, it seemed like Dude wasn’t getting the job done anymore. It just didn’t go far enough. Around that time, bruh started showing up out and about in daily life. So now when something noteworthy happens, we’re like, “BRUHHHH.”
I can’t even tell if we’re being sarcastic anymore.