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由 peacenik 发表于 Sept. 5, 2009 · 永久链接

(referring to previous comment by T. H. on September 4, 2009) Tab Mix Plus is heavy and clunky compared to this light, straight-forward extension. I tried it and it kind of does the same thing as this (with a lot of tweaking), but it "adds" all sorts of "features" that I don't want/need, and it alters the appearance of tabs (i.e. favicon on iconised tabs are no longer centred).
I really hope Duplicate Tab will be updated to make it compatible with ver 3.5 and up.