You can now split tab stacks into a second level in Vivaldi

[Windows Central]

If you keep tons of tabs open, Vivaldi has a new feature for you

[h=2]What you need to know[/h]

• Vivaldi now supports two-level tab stacking.
• The feature helps you group and manage tabs together on multiple levels.
• You can hibernate background tabs to free up system resources.

There are two types of people on the web, those who keep lots of tabs open and those who don't. If you're the former, Vivaldi has a new feature that makes it significantly easier to manage your tabs. The Vivaldi browser now supports two-level tab stacks, meaning that you can move a stack of tabs down into a second tab bar.

Full story from the WindowsCentral blog...