If you collapse your tabs to the left hand side you get favicon to identify each tab. I think you are just not using tabs correctly. Grab the edge of the tab on the right hand side and push it to the left, it will collapse to a small square tab.
Like this
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If you collapse your tabs to the left hand side you get favicon to identify each tab. I think you are just not using tabs correctly. Grab the edge of the tab on the right hand side and push it to the left, it will collapse to a small square tab. Like this