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Firefox Release Notes

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What actually shipped in each Firefox version, from Mozilla. Checked whenever we write that a feature has landed.

A Firefox window on a peach background with the Smart Window prompt box in the middle and a menu switching between Classic Window and Smart Window.

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Firefox's Smart Window now fills forms from tabs you pick, using Google's Gemini 3.1 Flash Lite

Mozilla has added two features to Smart Window, the AI mode that Firefox users switch on themselves. One drafts answers for web forms from tabs the user selects, and the other watches up to five pages per task for a change the user describes. Information from the selected tabs is shared with Gemini 3.1 Flash Lite, while page watching relies on a Qwen model.

MozillaOctober 28verified