Comment by keepamovin

Not sure if this fits, but I think that the browser as a portal to the web of all information invites you into a space of so many possibilities, so many user interfaces and experiences that any change to the portal itself in that context exists alongside the sea of other (to the person at least) similar variants, and must necessarily feel small. Also because the browser has perhaps succeeded as a category because it was the thing that got out of the way for all of that content, and so you weren’t just competing with browsers for user mindshare and differentiation, you are competing with the entire Internet. Because peoples’ experience of the browser is not really of the browser as a product. It is what it accesses to. And there may be reasons outside of lack of imagination that all major browsers have converged on essentially the same pattern. Just an idea