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Firefox for Mac

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Download Firefox 40.0.3

Firefox 40.0.3

  -  73.81 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Firefox 40.0.3.


For those interested in downloading the most recent release of Firefox for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Firefox 40.0.3 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

Changed
- Disable the asynchronous plugin initialization

Fixed
- Fix a segmentation fault in the GStreamer support (GNU/Linux)
- Fix a startup crash when using DisplayLink (Windows Only)
- Fix a regression with some Japanese fonts used in the input field
- On some sites, the selection in a select combox box using the mouse could be broken
- Some search partner codes were missing

Various security fixes:
- Add-on notification bypass through data URLs
- Use-after-free when resizing canvas element during restyling

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