Google has rolled out "Privacy Sandbox," a Chrome feature first announced back in 2019 that, among other things, exchanges third-party cookies—the most common form of tracking technology—for what the company is now calling "Topics." Topics is a response to pushback against Google’s proposed...
I’ve been using a vertical tabs extension in FF for a couple years now and it has never once broken during update. I don’t recall setup being complicated either. Which one are you using?
I’m not on desktop atm but when I get home I’ll check which one I have. It’s not as good as Arc’s implementation but it’s serviceable.