The Tree Style Tab extension [1] makes a world of difference here. My tab bar basically becomes a stack of ephemeral bookmarks. [1]: https://addons.mozilla.or

The Tree Style Tab extension [1] makes a world of difference here. My tab bar basically becomes a stack of ephemeral bookmarks. [1]: https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/ https://addons.mozilla.org/en-US/firefox/addon/tree-style-ta...