Firefox 142 is out, adds a useful productivity feature, extension improvements, and more

Firefox 142 is now available for all users to download. The latest feature update delivers some useful new features, such as link previews with a long click, tab group improvements, better article recommendations on the new tab page, and more.

With Link Previews, users can long-click or right-click a link to see what is there before opening it in a new tab. The browser can also summarize key points using AI with local processing (only on systems with certain languages and more than 3GB of available memory). Link Previews are rolling out gradually to all users.

Here is the changelog:

New features:

• For users in the United States, article recommendations on your New Tab page are now grouped into topic sections like Sports, Food, and Entertainment to make stories more organized and easier to scan. You can also follow topics you’re interested in and block ones you’d prefer not to see, giving you more control over what shows up when you open a new tab.
• You can now see what’s behind a link before visiting it with Link Previews. Long press a link (or right-click and choose Preview Link). Previews can optionally include AI-generated key points, which are processed on your device to protect your privacy.
• Link Previews is gradually rolling out to ensure performance and quality and is now available in en-US, en-CA, en-GB, en-AU for users with more than 3 GB of available RAM.
• On Windows, clicking a persistent notification when Firefox is closed or restarted will now properly open Firefox with the relevant webpage, instead of just opening the main page of the website.
• ETP Strict mode now supports a flexible exception list to fix broken site features caused by tracker blocking. Exceptions are split into baseline (core functionality) and convenience (extra features), letting users choose improved site compatibility without compromising key privacy protections.
• Keep an active tab visible in a collapsed tab group
• Focus on just one tab in a group without the clutter. Your active tab stays in view, keeping things tidy even with the group collapsed.
• You can now remove extensions from the sidebar by right-clicking the extension icon and selecting Remove from Sidebar.

Fixed:

• Improved the scroll speed in the bookmarks dialog to not go beyond the component area.
• Improved drag-and-drop support for blob images.

Other changes:

• Improved search results from browsing history via the address bar, reducing the likelihood of duplicate results being shown.
• Improved Netmonitor so that Request Headers/Cookies/Params are displayed in the Network panel even if the request isn't finished yet.

Firefox 142 also adds traditional security fixes, which you can check out here. Enterprise notes for Firefox 142 are available here. In addition to Firefox 142, Mozilla is rolling out upgrades for its translation service. It now supports three more languages: Chinese, Japanese, and Korean. You can learn more about it here.

You can download the latest Firefox update by heading to Menu > Help > About Firefox. The browser is available for download from the official website, the Microsoft Store on Windows 10 and 11, and Neowin's Software page.

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Posted Wednesday 20 August 2025 at 5:23 am AEST (my time).

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