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The much-anticipated release of Firefox 148 is now available, bringing with it a host of new features and enhancements. Among the most significant additions is the ‘AI kill switch,’ a tool that offers users unprecedented control over AI-powered features within the browser.
<h3>AI Controls and Customization</h3>
Users can navigate to Settings &gt; AI Controls to disable all AI features, including integrations like the ChatGPT sidebar, AI-generated link previews, and smart tab group suggestions. This ensures that once AI features are disabled, future updates won’t automatically re-enable them, respecting user preferences.
Additionally, for those who wish to personalize their browsing experience further, there is an option to selectively block specific AI features. This allows users to maintain essential on-device functionalities, such as built-in translations, while preventing the use of cloud-based AI services.
<h3>Additional Enhancements</h3>
Firefox 148 doesn’t stop at AI controls; it incorporates numerous other updates designed to enhance both functionality and security:
<ul>
<li>Opt-Out Controls for Remote Updates: Users can now receive remote improvements independently of the telemetry opt-out feature.</li>
<li>Web Platform Updates: This includes support for the Trusted Types API and Sanitizer API to help mitigate cross-site scripting (XSS) attacks.</li>
<li>Service Worker Support for WebGPU: Enhancing performance for web applications relying on GPU acceleration.</li>
<li>Firefox Backup on Windows 10: This new feature ensures that users have a reliable backup solution integrated within the browser.</li>
<li>Language and Accessibility Improvements: The release introduces new translation support for Vietnamese and Traditional Chinese, along with improved screen reader support for math content in PDFs.</li>
<li>Visual Customizations: Users can enjoy new tab wallpapers in container tabs, adding a personalized touch to their browsing experience.</li>
</ul>
Firefox 148 marks an exciting step forward, balancing robust AI control options with significant performance and security improvements to deliver a refined browsing experience. As always, Mozilla remains committed to providing users with powerful tools to manage their privacy and browser functionalities effectively.

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Firefox 148 introduces an 'AI kill switch' under Settings > AI Controls, letting users disable all AI-powered features—including ChatGPT sidebar, AI link previews, and smart tab groups—without risk of re-enablement by future updates. Selective blocking of individual AI features is also supported. Other notable additions include opt-out controls for remote updates, Trusted Types and Sanitizer API support for XSS mitigation, WebGPU support in Service Workers, Firefox Backup on Windows 10, new translation languages (Vietnamese and Traditional Chinese), improved PDF math screen reader support, and new tab wallpapers for container tabs.

Firefox 148 Launches with Enhanced AI Controls and Features