winget install --id Mozilla.Firefox.urAbout Mozilla Firefox (ur)
Firefox Browser, also known as Mozilla Firefox or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. In 2017, Firefox began incorporating new technology under the code name Quantum to promote parallelism and a more intuitive user interface. Firefox is officially available for Windows 7 or newer, macOS, and Linux. Its uno...
What's new in 151.0
Version 151.0, first offered to Release channel users on May 19, 2026 New - Firefox Home (New Tab) has a fresh, new look and feel. The layout and design will enable upcoming features, from widgets to shortcuts improvements, launching between 151 and 152. Included are some new and exciting Wallpapers, such as the one below. Use the pencil icon in the lower right to check them out. - Private Browsing Mode now allows you to instantly clear all data from your current session without closing the entire window. When you select the End Private Session button (the fire icon) to the right of the URL bar, Firefox will ask you to confirm to clear your session. Once confirmed, it will wipe all of your private browsing data and open a fresh new Private Browsing Mode session for you. - Firefox now strengthens protection against fingerprinting in Standard Enhanced Tracking Protection, making it harder for websites to track you across sites by limiting the amount of information revealed about your device and browser. This reduces the number of users uniquely identifiable by common fingerprinting techniques by an average of ~14%, and by ~49% on macOS. - You can now merge multiple PDFs directly in the Firefox PDF viewer. - The Translations page (about:translations) is now accessible through the More Tools section of the Application Menu. - Local Firefox profile backups are now available on Linux in addition to Windows, and you can restore them across platforms. - On macOS, URLs copied from iOS devices using Apple’s Universal Clipboard now paste correctly in Firefox. - On macOS, dropdown menu...
Version history
| Version | Updated | Notes |
|---|---|---|
| 151.0 | Version 151.0, first offered to Release channel users on May 19, 2026 New - Firefox Home (New Tab) has a fresh, new look and feel. The layout and design will enable upcoming features, from widgets to shortcuts improvemen... | |
| 150.0.3 | Unknown | We’re still preparing the notes for this release, and will post them here when they are ready. Please check back later. |
| 150.0.2 | Unknown | We’re still preparing the notes for this release, and will post them here when they are ready. Please check back later. |
| 150.0.1 | Unknown | We’re still preparing the notes for this release, and will post them here when they are ready. Please check back later. |
| 149.0.2 | Unknown | Version 149.0.2, first offered to Release channel users on April 7, 2026 Fixed - Various security fixes. - Fixed an issue where certain parts of web pages, such as drop-down menus and specific styles, did not appear corr... |
| 149.0 | Unknown | Version 149.0, first offered to Release channel users on March 24, 2026 New - View two pages side-by-side in a single window with the new Split View feature that makes it easier to compare information, research topics or... |
| 148.0.2 | Unknown | Version 148.0.2, first offered to Release channel users on March 10, 2026 Fixed - Fixed an issue where searches entered in the Firefox Home search field were incorrectly redirected to the address bar for some users who h... |
| 148.0 | Unknown | Release notes |
| 147.0.4 | Unknown | Release notes |
| 147.0.3 | Unknown | New - Interoperability improvements for the CSS anchor positioning and Navigation web APIs. Fixed - Fixed a regression where position: sticky elements on some webpages could appear stuck or fail to update while mousewhee... |
| 147.0.2 | Unknown | New - Firefox now allows you to customize your keyboard shortcuts to replace hard-to-type or hard-to-remember hotkeys, eliminate conflicts with other software, and create your preferred set. Access this experimental new... |
| 147.0.1 | Unknown | Fixed - Fixed compatibility problems with websites that use the new Compression Dictionaries technology, such as ChatGPT, by temporarily disabling the feature. (Bug 2010712) - Fixed an issue where an unnecessary empty di... |
| 147.0 | Unknown | New - WebGPU support is now enabled for devices with Apple Silicon processors on all supported macOS versions. - Improved video playback performance on systems with AMD GPUs by enabling zero-copy playback for hardware-de... |
| 146.0.1 | Unknown | Fixed - Improved overall stability by fixing crashes related to browsing, graphics, and accessibility features. (Bugs 2001160, 1998185, 1998188) - Fixed an issue where fingerprinting protection caused incorrect font rend... |
| 146.0 | Unknown | New - Windows 10 users can now automatically protect their passwords, bookmarks, and more by turning on backup in Firefox. Your browsing data is saved daily on your device and can be encrypted with a password. When you s... |
| 145.0.2 | Unknown | Fixed - Fixed an issue that prevented typing in Baidu’s search box when using Chinese IMEs on Windows.(Bug 2000479) - Reference link to 145.0.1 release notes. Unresolved - On Windows, clicking tabs may not work at the ve... |
| 145.0.1 | Unknown | Fixed - Fixed an issue causing breakage on sites using Three.js. (Bug 1995939) - Fixed a failure to open Firefox from the desktop launcher on older versions of Windows 10. (Bug 2000411) - Fixed Web compatibility issues w... |
| 145.0 | Unknown | New - Add, edit, and delete comments to make your own notes in PDFs (summaries, questions, tasks, etc.). The comment sidebar helps you scan all your comments and quickly jump to them, which is handy for long or heavily m... |
| 144.0.2 | Unknown | Release notes |
| 144.0 | Unknown | New - Focus on just one tab in a group without the clutter. Your active tab now stays in view, keeping things tidy even with the group collapsed. - We’re excited to share another tab groups update that addresses a top re... |