Despite my snark, I am genuinely curious after seeing a bit of what it actually looks like in their design meeting video. What are the unique features and what do you like about it?
For me the spaces organization, and how they handle tabs is really nice. Cleaning up open tabs every night (being keeping the archive if you need to re-find) is nice, and moving certain tabs up to the favorites area that are long-lived is nice. There's nothing super major that changes for me, but if you're the type of person that collects tabs and then doesn't do a great job organizing them, it could be really nice.