High Sierra’s visible upgrades are relatively few and far between, but as the company would likely point out, that didn’t stop people from buying Snow Leopard - and that was back when you still had to pay for upgrades. The first public beta of the OS arrives today, and while I’ve been playing around with a build of the software on one of those new 13-inch MacBooks, I keep finding myself referring back to Apple’s product page to remind me of what’s new.īut Apple doesn’t seem to have any doubts about adoption. The most meaningful updates are mostly below the surface - the first full macOS upgrade to do so since 2009’s Snow Leopard. If it wasn’t free, High Sierra might be a hard sell for casual users.