The Browser Company of New York has decided to sunset Arc on December 22, 2026. You may know Arc as a browser. You may also know it as the dictionary illustration for “generational fumble.”Arc is the reason I fell in love with vertical tabs, and as often happens in love stories, BCNY broke my heart when they moved on to AI and Dia. The number of vibe-coded browsers has increased tenfold since I posted what turned out to be my eulogy for Arc back in April, and it’s fascinating to see how closely everyone tries to recreate its features. Every...