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Firefox 148 Is Now Available for Download with AI Kill Switch and Other Changes
The biggest change in Firefox 148 is the long-awaited AI kill switch feature, which is implemented in Settings as “AI Controls”, allowing you to completely disable all the AI features that had been included in the past few releases. Firefox’s AI features can be disabled entirely or selectively.
Firefox 148 also improves support for screen readers accessing mathematical formulas embedded in PDF documents, support for viewer local weather on the New Tab page, and a new “Suggestions from Firefox” option in Search > Address bar settings to get suggestions from the Web related to your search.
Update (by Roy)
Some more coverage:
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Ubuntu Handbook ☛ Firefox 148.0 is out with Global & Individual Hey Hi (AI) Toggle Options
Firefox 148.0 is finally available to download today, after 6 more Beta testing releases. The new version of this popular web browser finally added visible options to disable the Hey Hi (AI) features, either globally or individually.
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OMG Ubuntu ☛ Firefox 148 released with Hey Hi (AI) kill switch + more
The Firefox 148 update sees its stable release today, bringing with it a much-request ‘AI kill switch’ to easily disable all AI-powered features within the browser. Mozilla has said future updates to the browser will not re-enable Hey Hi (AI) features once disabled. Given that Mozilla now measures its success by how much revenue it makes from Hey Hi (AI) features in its products, Firefox included, that’s a reassuring stance.
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Mozilla ☛ Mozilla Open Policy & Advocacy Blog: Behind the Velvet Rope: The Hey Hi (AI) Divide on Display at the India Hey Hi (AI) Impact Summit 2026
TLDR: No one could agree what ‘sovereignty’ means, but (almost) everyone agreed that Hey Hi (AI) cannot be controlled by a few dominant companies.
More here:
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Firefox 148.0 arrives with AI controls | GamingOnLinux
As Mozilla promised they would, Firefox version 148.0 has been released and with it you now get to control what generative AI features are enabled or disabled.
Mozilla and LWN:
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How to turn off AI features in Firefox, or choose the ones you want [Ed: This leaves out the part about the backlash leading to it]
Other browsers force AI features on users. Firefox gives you a choice.
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Firefox 148.0 released
Version 148 of Firefox has been released. The most notable change in this release is the addition of a "Block Hey Hi (AI) enhancements" option that allows turning off "
new or current Hey Hi (AI) enhancements in Firefox, or pop-ups about them
" with a single toggle.