Mozilla will make official in a few hours the launch of Firefox 144. When the time comes, which will take place around 15 p.m. Spanish peninsular time, they will update the page with the list of news And it's now available for download from its official website. It's available for download right now from its FTP server, for those in a hurry and who can't wait.
One of the most notable novelties is the improved management of tab groupsYou can now focus on a single tab within a group without clutter, as the active tab remains visible even when the group is collapsed. Plus, you can finally drag a tab into a collapsed group without it automatically expanding, helping maintain order and reducing visual distractions.
Other new features in Firefox 144
La Profile management is also extended to all users of the world. This feature allows you to separate your digital life into different profiles—for example, work, school, or personal projects—and customize them with different names, colors, and avatars. Each profile maintains its own bookmarks, tabs, and history, completely separate from each other.
Another handy improvement comes to PiP mode: you can now close the pop-up window without pausing the video, using Shift + Click o Shift + EscThere's also a major change in security: saved passwords are now encrypted using the modern standard. AES-CBC-256, replacing the old 3DES-CBC, which improves local data protection. Passwords synced via Firefox Sync already used AES-256-GCM, so they'll remain just as secure.
In the new features section, the integration of Google Lens to perform visual searches. Right-click on any image to find similar products, translate text, or search for related information. This option, available only on desktop, requires Google as your default search engine.
Also arrives Perplexity AI, an AI-powered search engine built right into your browser. It allows you to get conversational answers and quick summaries of complex topics without having to open multiple pages, and is available worldwide from the address bar.
More language support and CSS improvements
Firefox 144 also expands the languages ​​supported by automatic translation, adding Azerbaijani, Bengali, and Icelandic, and improves translation quality in many others: Arabic, Bulgarian, Catalan, Simplified Chinese, Czech, Dutch, Estonian, Finnish, French, German, Hungarian, Italian, Japanese, Portuguese, Persian, Spanish, and Ukrainian.
On Windows, the browser will now open external links only in the current virtual desktop window, preventing cross-platform environments. Additionally, new support for web developers, such as APIs, has been added. Element.moveBefore, View Transitions, PerformanceEventTiming.interactionId o WebGPU, along with improvements to gradients, screen orientation, and video encoding with WebCodecs. The methods have also been added getOrInsert y getOrInsertComputed a Map y WeakMap, simplifying work with dynamic data structures.
Another new feature for those developing with CSS is the ability to jump directly to the definition of a variable from the function var(), which streamlines working with stylesheets. In the Inspector, custom events now appear with a visual signature to easily differentiate them from built-in events.
Firefox 144 has arrived four weeks after v143 and can be downloaded from the Mozilla serverShortly after the official release, they will update the snap and flatpak packages, and begin doing the same in the official repositories of most Linux distributions.