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Firefox 49.0.1

  -  81.3 MB  -  Freeware
Free Download

Security Status

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 49.0.1.


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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Download Firefox 49.0.1

  • Firefox 49.0.1 Screenshots

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What's new in this version:

- Update HPKP preload list
- Dispatch DOM change event on appending file to input
- Correct argument to event.sendEvent
- Remove dead File object construction code
- Support tuples for script arguments
- Improve names of JSON marshaling methods in Marionette client
- Remove callback function argument from sync scripts
- Permit introspection into arguments

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