Love the addition of Vertical Tabs in Opera 140! It is a great step forward for managing multiple tabs.
To make the Collapsed Mode even more intuitive and effortless to use, here are two small UX enhancements that would make a big difference for everyday browsing:
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Hover Tooltips for Collapsed Tabs: When the panel is collapsed to icons only, showing a quick tooltip with the page title upon hovering would help users instantly identify which tab is which—especially when multiple tabs from the same site (like YouTube or Google) are open.
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Hover-to-Expand (Peek Mode): An optional setting where the collapsed sidebar smoothly expands over the webpage when hovered, and automatically collapses back once the cursor moves away. This gives users the best of both worlds: maximum screen space and full tab readability without extra clicks.
Adding these touches would elevate Opera's Vertical Tabs into a truly seamless experience. Thank you for the continuous innovation!