I looked up the compatibility table: https://caniuse.com/cross-document-view-transitions

Safari has supported this on both desktop and iOS since last year. But I had to look, because the article makes it sound like Chrome and its family are the only browsers that are modern enough for the feature. Safari uses WebKit, not Chromium.

"Modern browsers – specifically Chromium-based ones like Chrome and Edge – now support native, declarative page transitions. With the View Transitions API"