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Firefox Smart Window adds AI form filling and /watch

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Firefox Smart Window adds AI form filling and /watch

3 Key Points

  1. What happened

    Mozilla's Smart Window beta now offers "Fill from sources" for forms with at least four text fields, pulling details from tabs like a LinkedIn page into job applications. A "/watch" command monitors pages for sales or job listings.

  2. Why it matters

    The form-filling tool draws on pages you already have open, and the monitoring runs only while the browser is open and pauses after 60 days without a change, so users trade some convenience for sharing tab data with an outside AI model.

WHO IT HITSFirefox users in the US and Canada who try the Smart Window beta will be able to auto-fill job applications and track page changes, while anyone wary of sharing tab data with an outside AI model may think twice before using the form-filling option.

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Context & Analysis

Mozilla positions Smart Window as an AI layer on top of ordinary browsing, and these two additions show how it turns open tabs into a source of ready-to-use information. The form-filling feature is the more concrete example: instead of typing out a work history, a user can let the browser pull details from pages like an online portfolio or LinkedIn and drop them into a job application.

The /watch command works differently, turning the browser into a lightweight monitoring tool for sales, new job listings, and other updates. Its limits are built in: checks run daily or weekly only while the browser is open, and the watch pauses after 60 days without a detected change before stopping after 90 days. Together, the features suggest Mozilla is testing how much everyday browsing can be automated inside Firefox, starting with a beta for desktop users in the US and Canada and expanding to other countries in the coming months.

FAQ
Which AI model generates the form-filling suggestions?
Data from your source pages is shared with Google’s Gemini 3.1 Flash Lite, the AI model that generates the suggestions.
How often does Firefox check watched webpages?
Firefox can check for updates on a daily or weekly basis, but only when the browser is open.
What happens if a watched page never changes?
Firefox will pause watching for updates if it doesn’t detect a change after 60 days, before stopping them completely after 90 days.
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