Wednesday, 29 July 2026 @ 16:01 UTC~1013,752154,727

Mozilla Firefox (fur)

Mozilla·Mozilla.Firefox.fur

Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

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 unofficial ports are available for various Unix and Unix-like operating systems including FreeBSD, OpenBSD, NetBSD, illumos, and Solaris Unix.

winget install --id Mozilla.Firefox.fur --exact --source winget

Latest 153.0.1·July 28, 2026

Release Notes

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 loaded. Firefox should now start in these cases, although parts of the interface may not display correctly until a further update completes (Bug 2056926).
  • Fixed audio playing silently on some music and audio streaming sites after pausing and resuming playback (Bug 2053586).
  • Fixed the New Tab page background flashing a few seconds after the page loaded when a custom wallpaper was in use (Bug 2056650).
  • Fixed a crash that could occur when a page loaded a frame using a javascript: address (Bug 2054485).
  • Fixed a crash that could occur while typing text in an editable area of a page (Bug 2053867).
  • Fixed a search engine you had already installed yourself being labeled as "New" when Firefox later started offering the same engine (Bug 2053710).
  • Improved pointer lock, used by games and other immersive web content, so that the mouse pointer is less likely to escape the Firefox window (Bug 1255338, Bug 2040628).
  • Fixed an issue in the Inspector's Rules view where pseudo-elements could only be expanded once per selected element (Bug 2054525).
  • Fixed View Page Source failing to load blob: documents (Bug 2054428).
  • Fixed View Page Source timing out on documents that inherit their origin, such as frames using the srcdoc attribute (Bug 2054487).
  • Reference link to 153.0 release notes.

Unresolved

  • Some Windows users may experience a crash on startup after updating, caused by an incomplete update leaving the Firefox installation in an inconsistent state (Bug 1681745). If you are affected, downloading Firefox from firefox.com and installing it over your existing installation will repair it. Your bookmarks, passwords and other data are stored separately and will not be affected.

Installer type: nullsoft

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arm64—03F2A99EE1896B06C2B83060547C48F0B0F036D429F14DE57547EEEDA100B540

Details

Homepage
https://www.mozilla.org/firefox/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/firefox/
Copyright
© Firefox and Mozilla Developers; available under the MPL 2 license.
Moniker
firefox

Tags

browsergeckointernetquantumspidermonkeywebweb-browserwebpage

Older versions (54)

153.0
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152.0.6
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152.0.5
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152.0.4
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152.0.3
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152.0.2
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152.0.1
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152.0
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151.0.4
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151.0.3
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151.0.2
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151.0.1
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150.0.3
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150.0.2
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150.0.1
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150.0
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149.0.2
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149.0
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148.0.2
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148.0
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147.0.4
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147.0.3
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147.0.2
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147.0.1
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147.0
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146.0.1
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146.0
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145.0.2
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145.0.1
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145.0
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144.0.2
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138.0
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x64—4F5DB4789D781C88E415357EDB229EC30F8B678184D6480666DE4C591E7A2D91
arm64—FB2B7E32334D56945F5D69E236D249B6C79E736D6EB70A8D8FBFF4E9732628B8
137.0.2
x86—5AD018ACAA9A1ADF8EC6A462B59C86A7692DB2B6D00697838CB8C3F9DC8DEBCF
x64—A7EDE59C7D744C2496AE875AA18BDA30ADB8EBA6661B41A1655FA49A5F115C59
arm64—9BDFC689DB3D5C917DA2BD8BA332945F4F7F63ACAA6F3648F9A5378A28476636