Vivaldi is releasing version 3.6 of the Vivaldi browser with a great and terrible power today: you can now create two-level tab stacks, so that grouped tabs can become pseudo-workspaces for whatever you get up to in your browser. Vivaldi first introduced the feature as an experiment in December 2020, but now you can officially indulge in two levels of too many tabs.
Creating two-level stacked tabs is as easy as holding down the Command or Windows key, selecting whatever tabs you want to be in the stack, and then right-clicking and selecting “New Tab stack” from the drop down menu. You can also achieve the same effect by dragging and holding one tab over another. Clicking on the newly formed tab stack (signified with a white outline)…
