Firefox 58.0 – Fast, safe Web browser.

Firefox 58.0

Firefox offers a fast, safe Web browsing experience. Browse quickly, securely, and effortlessly. With its industry-leading features, Firefox is the choice of Web development professionals and casual users alike.

The Web, as it’s meant to be experienced

Features
  • Faster than Safari. Firefox stays speedy when other browsers become sluggish.
  • More private than Chrome. Firefox respects your privacy by minimizing suggestive pop-ups.
  • Bursting with features. Tabbed browsing, developer tools, extensions — Firefox has it all, giving you the power to explore, customize, and create like never before.

Note:Firefox is free software, you can go to the official website to download.


What’s New

Version 58.0:

New:
  • Performance improvements
  • Loading pages faster by changing how Firefox caches and retrieves JavaScript
  • Improvements to Firefox Screenshots:
    • Copy and paste screenshots directly to your clipboard
    • Firefox Screenshots now works in Private Browsing mode
  • Added Nepali (ne-NP) locale
Fixed:
  • Various security fixes
Changed:
  • User profiles created in Firefox 58 (and in future releases) are not supported in previous versions of Firefox. Users who downgrade to a previous version should create a new profile for that version. Learn about alternatives to downgrading on our support site.
  • Added a warning to alert users and site owners of planned security changes to sites affected by the gradual distrust plan for the Symantec certificate authority
Developer:
  • Implemented the PerformanceNavigationTiming API
  • Added PerformanceResourceTiming.workerStart so sites can measure service worker startup time


Compatibility

OS X 10.9 or later, 64-bit processor


Screenshots




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