At the start of June, Vivaldi released its 4.0 update, which added features like a translation tool to the privacy-focused browser. Its new 4.1 update is a smaller release but still adds a handful of handy features, including a new way to organize tabs.
Like Chrome, Vivaldi allows you to group multiple tabs to restore some semblance of order to your tab bar. In Vivaldi, those groups are called stacks. Before 4.1, you had two ways of using them. You could opt for either the compact view or the two-level one. In the latter case, the browser adds a bar that displays the tabs you have in that stack.
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