It's really cool. The amount of control via settings is overwhelming. The official Youtube source plug-in has settings for sponsorblock and dearrow hidden in there, which are excellent mods.
I wouldn't risk trying the paid-content sources. I had Spotify working ad-free without a login I'm the early days, but it requires logging in now, and Spotify are banning accounts that do.
Also, they have Palantir AI tangled in their management and running the supply chain.
The same company that is trying to make the entire world a surveillance state, and are giddy about their AI being used to kill military targets.