Firefox 149 adds split view to show two sites in one tab
Firefox 149 introduces Split View, letting a single tab display two web pages side by side. It is enabled via right-click on a tab and Add Split View; similar modes already exist in Chrome and Opera.
- Split View ships in Firefox 149
- Enable via right-click on a tab → Add Split View
- Second page can be picked from open tabs
- Chrome and Opera offer similar split modes
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