Vivaldi is introducing two-level tabs — and I want it in every browser

Vivaldi browser has had a unique approach to tab management. Over the years, it has introduced features such as stacking, muting, and pinning tabs; it also lets you view two tabs in a split-screen mode in one window. The brainchild of Opera co-founder Jon von Tetzchner is getting a hot new feature with Vivaldi’s latest update — two-level stacked tabs. I’m excited about this as this makes navigating through groups much easier. Sure, it takes a bit more screen space, but I’m willing to give that up in exchange for a tidy-looking browser window. You can form a two-level tab…

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