From what ive heard, these risc v chips have a long way to go for performance. Is that still true?

Many common Publisher scenarios—including creating professionally branded templates, printing envelopes and labels, and producing customized calendars, business cards, and programs—are already available in other Microsoft 365 apps such as Word and PowerPoint.

I use syncthing and poweramp.

I hear ya.

But for example do modern set top boxes, blue ray etc. have DP?

Problem is, very few things output or input DP.

HDMI, for better or worse, seems to be ubiquitous.