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

Mozilla Firefox (ar)

Mozilla·Mozilla.Firefox.ar

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.ar --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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x64—5B05EBD4CE194B7A5C2A3C51B66A9FC04F4541BE63DCC0314EC29F9AB9833009
arm64—843E97E76355A6EC79AE6BA5B8FD2168E14399D298AA44D623709696B2D33211

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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151.0.2
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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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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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138.0
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x64—233E78A18865B664F7AA2F5461B3E5D0E40E72683171A678FE4E0643E22D98F0
arm64—E1889588D34EC0C994211BC53C7BA20649EE12721AD7620F99195D62DDE74A27
137.0.2
x86—2562853C3C21B7AF6A126A46E3F51D5E94761FC380F0B0EFE6AC1A42A615B0DB
x64—6078B41A2B9012DFA4EAEAA202BB89A0A32D87F0B8136CF9366DDE52DB1E5945
arm64—EC119CA88F2F92F54394B05C3FEF2167F92485D0D2F8C5F90AB2F807B710E9FE