winget install --id Mozilla.FirefoxAbout Mozilla Firefox (en-US)
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 153.0.3
Version 153.0.3, first offered to Release channel users on August 4, 2026 New - Smart Window includes several enhancements: - The suggestion list now shows more results, making it easier to find history and switch to open tabs. (Bug 2019042) - The assistant can now answer questions directly using web search results from Exa, instead of handing off to a search engine. (Bug 2046183, Bug 2044385) This feature is part of a progressive roll out. What is a progressive roll out? Certain new Firefox features are released gradually. This means some users will see the feature before everyone does. This approach helps to get early feedback to catch bugs and improve behavior quickly, meaning more Firefox users overall have a better experience. Fixed - Fixed audio and video failing to play, or hanging when seeking, on websites that load media from a Blob URL. (Bug 2056444) - Fixed Internet shortcuts dragged from Firefox to the desktop being marked as untrusted on Windows, which caused a security warning every time they were opened. (Bug 2056865) - Fixed the Bookmarks, History, and other sidebars failing to open when the sidebar is hidden and the password manager has been turned off by an enterprise policy. (Bug 2056857) - Fixed a Mozilla VPN upgrade offer appearing for people in regions where Mozilla VPN is not sold. (Bug 2058264) - Fixed frequent Inspector crashes in the Developer Tools on pages where an extension content script had added event listeners. (Bug 2042101) - Fixed a rare case on Windows where starting Firefox while a partial update was still being applied could leave the i...
Version history
| Version | Updated | Notes |
|---|---|---|
| 153.0.3 | Unknown | Version 153.0.3, first offered to Release channel users on August 4, 2026 New - Smart Window includes several enhancements: - The suggestion list now shows more results, making it easier to find history and switch to ope... |
| 153.0.1 | Unknown | Version 153.0.1, first offered to Release channel users on July 28, 2026 Fixed - Addressed a startup crash on Windows that could occur after updating Firefox, when some of the application's internal files could not be lo... |
| 153.0 | Unknown | Version 153.0, first offered to Release channel users on July 21, 2026 New - High Dynamic Range (HDR) video playback is now available on Windows - this feature needs HDR mode enabled for the display in Windows Settings -... |
| 152.0.6 | Unknown | Version 152.0.6, first offered to Release channel users on July 14, 2026 New - Smart Window includes several enhancements: - Select text on a page and get quick access to summarize, explain, and more using the built-in a... |
| 152.0.5 | Unknown | Version 152.0.5, first offered to Release channel users on July 7, 2026 Fixed - Fixed the Manage payment methods list in Settings appearing empty when a saved payment card had no expiration date. (Bug 2048383) - Referenc... |
| 152.0.4 | Unknown | Version 152.0.4, first offered to Release channel users on June 30, 2026 New - Smart Window includes several enhancements: - You can now ask it to close your tabs, with a confirmation step when needed and the option to u... |
| 152.0.3 | Unknown | Version 152.0.3, first offered to Release channel users on June 25, 2026 Fixed - Fixed an issue that could cause extreme memory usage and freezing on startup for users with language packs installed. (Bug 2049845) - Refer... |
| 152.0.2 | Unknown | Version 152.0.2, first offered to Release channel users on June 23, 2026 Fixed - Fixed some Settings section headings showing placeholder text instead of the translated name in certain languages. (Bug 2047983) - Fixed Ne... |
| 152.0.1 | Unknown | Version 152.0.1, first offered to Release channel users on June 18, 2026 Fixed - Fixed frequent crashes affecting users with Intel Raptor Lake processors. (Bug 2039575) - Fixed an issue on macOS where choosing a PDF opti... |
| 152.0 | Unknown | Version 152.0, first offered to Release channel users on June 16, 2026 New - Firefox Settings features a brand-new look with streamlined organization, clearer groupings, and improved navigation for easier customization.... |
| 151.0.4 | Unknown | Version 151.0.4, first offered to Release channel users on June 9, 2026 Fixed - Fixed an issue on Windows where Firefox could become unresponsive when using the back and forward buttons. (Bug 2039866) - Fixed an issue wh... |
| 151.0.3 | Unknown | Version 151.0.3, first offered to Release channel users on June 2, 2026 Fixed - Fixed an issue where selecting or pasting text in a text field inside a table cell could disrupt the page layout. (Bug 2041235) - Fixed an i... |
| 151.0.2 | Unknown | Version 151.0.2, first offered to Release channel users on May 26, 2026 Fixed - Fixed an issue on macOS where smart cards and security keys could fail to load certificates automatically. (Bug 2041208) - Fixed an issue wh... |
| 151.0.1 | Unknown | Version 151.0.1, first offered to Release channel users on May 21, 2026 Fixed - Fixed a crash experienced by users with Intel Raptor Lake CPUs. (Bug 1950764) - Fixed an issue on Windows where some websites using WebSeria... |
| 151.0 | Unknown | 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. |
| 150.0 | Unknown | Version 150.0, first offered to Release channel users on April 21, 2026 New - Split View just got better: You can now right-click any link and choose Open Link in Split View to open it alongside your current tab. You can... |
| 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... |