Tab stack like in vivaldi browser

option to Tab stack, make tabs to group like in vivaldi browser vertically or horizontally way.

You can get something a bit like that using Folder Tab Groups. See my reply in this thread for what I mean:

The other TABGROUP... arguments for the Go command can do a few related things as well, if it's of use.

it can to show all tabs inside X group? or its only can show tab list group?

Go TABGROUPLIST "Home" Home= group , i get all my tab groups not what inside my home group

Try the command from here, it should list the groups:

Support++ for the request of the OP for the Vivaldi browser tab stack functionality. See (https://help.vivaldi.com/desktop/tabs/tab-stacks/).