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Update

Fixed an issue causing breakage on sites using Three.js.

FirefoxFirefox
Mozilla

Version 145.0.1, first offered to Release channel users on November 18, 2025

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 with Rogers. Rogers customers would see a broken iframe with "Firefox Can’t Open This Page" when viewing bills, rather than the billing info. (Bug 1996823)
  • Fixed an issue in the Web Developer Tools preventing copy all or save all requests as HAR. (Bug 1995694)

Unresolved

  • On Windows, clicking tabs may not work at the very top of the screen when Firefox is maximized on a second monitor. We’re working to fix this in a future release.
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More updatesTo the product
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