4 ms·
Opera didn't had "true tabs" until version 6. In earlier version they had MDI, later they added Buttons for accessing single sub-windows (IIRC since version 4),
by slightwinder 4y ago
Opera didn't had "true tabs" until version 6. In earlier version they had MDI, later they added Buttons for accessing single sub-windows (IIRC since version 4), but this was a different experience from actual tabs as other browser had them at the time.