We're past the point were small aesthetic changes like this make a meaningful difference in browsers.
In 2025 a browser that really acts as a user agent needs to do much more at the content level: ad blocking, content rewriting (clickbait headlines, etc.), content aggregation and summarization, deceptive content idenification, automatic reader-mode, etc.
In 2025 a browser that really acts as a user agent needs to do much more at the content level: ad blocking, content rewriting (clickbait headlines, etc.), content aggregation and summarization, deceptive content idenification, automatic reader-mode, etc.