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Firefox for Mac

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Download Firefox 38.0

Firefox 38.0

  -  71.22 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 38.0.

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 38.0 Screenshots

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What's new in this version:

- New tab-based preferences
- Ruby annotation support
- Share the active tab or window in a Hello conversation - enabled for first half of the beta cycle
- Keep track of articles and blog posts with the Reading List - enabled for the first half of the beta cycle
- Base for the next ESR release.

- autocomplete=off is no longer supported for username/password fields
- RegExp.prototype.source now returns "(?:)" instead of the empty string for empty regular expressions
- Page load times improved by speculative connection warmup

- WebSocket now available in Web Workers
- Implemented srcset attribute and element for responsive images
- Implemented DOM3 Events KeyboardEvent.code
- Mac OS X: Implemented a subset of the Media Source Extensions (MSE) API to allow native HTML5 playback on YouTube
- BroadcastChannel API implemented
- Implemented Encrypted Media Extensions (EME) API to support encrypted HTML5 video/audio playback (Windows Vista or later only)
- Automatically download Adobe Primetime Content Decryption Module (CDM) for DRM playback through EME (Windows Vista or later only)

- Optimized-out variables are now visible in Debugger UI
- XMLHttpRequest logs in the web console are now visually labelled and can be filtered separately from regular network requests
- WebRTC now has multistream and renegotiation support
- copy command added to console

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