- Firefox Nightly 131 introduces vertical tabs and an improved sidebar, enhancing tab management and multitasking for users with many open tabs.
- The vertical tabs feature, similar to Microsoft Edge, keeps tabs organized on the left-hand side and can be customized via Firefox Labs settings.
- Additional features include AI chatbot integration in the sidebar and ongoing development of tab grouping and profile management tools.
Nowadays most websites leaves half of your horizontal space empty on high resolution monitors, so you have a lot of unused real estate. Verticals tabs can also fit in more tabs while showing tab title and can implement features like collapsible tabs.