I’ve seen the feel of it compared to RO a few times now. Here’s a quote straight from the man about the kind of vibe he’s going for with the series:
If you notice, there’s a certain look that the Mandalorian lead character has, there’s a size that the spaceship is, there’s a scale that lines up with the Original Trilogy. I’m trying to evoke the aesthetics of not just the Original Trilogy but the first film. Not just the first film but the first act of the first film. What was it like on Tatooine? What was going on in that cantina? That has fascinated me since I was a child, and I love the idea of the darker, freakier side of Star Wars, the Mad Max aspect of Star Wars.
That said, this is EXACTLY what I’ve wanted from new Star Wars!