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Opera One (currently early-access developer version) is a completely redesigned browser, planned to replace the flagship Opera Browser for Windows, macOS, and Linux later this year. Based on the principles of Modular Design, Opera One transforms browser interaction, delivering a liquid navigation experience that’s more intuitive.

With its release, Opera One becomes the first major Chromium-based browser utilizing a multithreaded compositor in its user interface. Opera One also introduces Tab Islands, a new, more intuitive way of interacting with tabs.

Opera One’s look is completely reimagined based on Modular Design. In this early-access developer version, this is most noticeable in the sidebar and tabs modules. As features are added or tabs are opened, elements in the respective module adjust automatically to make room. This user-friendly design declutters the interface and keeps browsing smooth and focused.

Opera One’s user interface has been reengineered from the ground up, integrating a technology stack with a multithreaded compositor that can handle advanced animations and transitions for the smoothest, most responsive interface to date.