After stopping development of its innovative Arc browser, The Browser Company is back with Dia, a stripped-down browser that aims to make AI-augmented Web interactions mainstream. It won’t win over Arc users yet, but it offers some interesting capabilities.

After becoming a convert to vertical tabs thanks to Arc, Adam Engst is now seeing and hearing about vertical tabs support all over the place. Though none are luring him away from Arc, he runs down the options in Brave, Firefox, Google Chrome, Microsoft Edge, Opera, Orion, Safari, SigmaOS, and Vivaldi. So many browsers!