I don&#x27;t know what it is, but I agree. There is something subtly and subconsciously going on that nudges me away from FF too. I think it&#x27;s the loose feeling UI, the default smiley face icon of the chat that I don&#x27;t know anyone uses, the paper airplane as the share icon. It&#x27;s that there is still not unified search&#x2F;address bar even if one would prefer it without running a poorly executed extension. It&#x27;s that the tabs feel so childish with the far too rounded corners and loose padding and it&#x27;s even the few pixels more of padding between the address bar and the tabs boundary. It&#x27;s the small font of the address bar, it&#x27;s the disproportionately large back button, it&#x27;s the apparent lack of design and style requirements for extension icons that make them look blurry and generally shitty and bolted on in the UI, etc.<p>I know that all that maybe sounds rather petty and maybe there&#x27;s something wrong with me and it&#x27;s my biases for some reason, but it just all adds up to a fuzzy notion of childishness and less than &quot;down to business&quot; feel. I say that as someone that used to exclusively use FF and shunned Chrome for all the various reasons mentioned by others.