On August 19, Mozilla announced a series of new features for the AI "Smart Window" in Firefox testing, further enhancing AI-assisted browsing and information management capabilities. Currently, this feature is available to users in the United States and Canada as an English beta version.

After this update, Smart Window can automatically recommend tab groups based on relevance and adds a duplicate tab detection feature, allowing users to identify and close duplicate pages with one click, reducing the cost of information management in multi-tab browsing scenarios. At the same time, Mozilla has partnered with AI search and web retrieval company Exa, integrating Exa into Smart Window, enabling it to retrieve the latest web information and directly display the sources that support the answers, without needing to jump to an independent search results page.

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Smart Window also supports natural language retrieval of browsing history. For example, if a user inputs "the shows I watched last week," the system can match relevant pages from the history and present them in a visual preview, helping users quickly locate the desired content. Mozilla stated that in the future, Smart Window will integrate recent browsing history, related tabs, and historical information to help users recover unfinished tasks and explore using this information to assist in filling out online forms. Users can control Smart Window's access permissions and choose which tabs to allow it to share.

This upgrade shows that Mozilla is trying to expand AI from simple question-and-answer information to core browser workflows such as tab management, history retrieval, and task recovery, while retaining users' active management rights over their browsing data through permission controls.