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Firefox 34.0.5

  -  68.6 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 34.0.5.


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 34.0.5

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What's new in this version:

New:
- Default search engine changed to Yahoo! for North America
- Default search engine changed to Yandex for Belarusian, Kazakh, and Russian locales
- Improved search bar (en-US only)
- Firefox Hello real-time communication client
- Easily switch themes/personas directly in the Customizing mode
- Wikipedia search now uses HTTPS for secure searching (en-US only)
- Implementation of HTTP/2 (draft14) and ALPN
- Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows

Changed:
- Disabled SSLv3
- Proprietary window.crypto properties/functions re-enabled (to be removed in Firefox 35)
- Firefox signed by Apple OS X version 2 signature

HTML5:
- ECMAScript 6 WeakSet Implemented
- JavaScript Template Strings Implemented
- CSS3 Font variants and features control (e.g. kerning) implemented
- WebCrypto: RSA-OAEP, PBKDF2 and AES-KW support
- WebCrypto: wrapKey and unwrapKey implemented
- WebCrypto: Import/export of JWK-formatted keys
- matches() DOM API implemented (formerly mozMatchesSelector())
- Performance.now() for workers implemented
- WebCrypto: ECDH support

Developer:
- WebIDE: Create, edit, and test a new Web application from your browser
- Highlight all nodes that match a given selector in the Style Editor and the Inspector’s Rules panel
- Improved User Interface of the Profiler
- console.table function added to web console

Fixed:
- CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties

Various security fixes:
- Apple CoreGraphics framework on OS X 10.10 logging input data to /tmp directory
- Bad casting from the BasicThebesLayer to BasicContainerLayer
- Buffer overflow while parsing media content
- Use-after-free during HTML5 parsing
- CSP leaks redirect data via violation reports
- XMLHttpRequest crashes with some input streams
- XBL bindings accessible via improper CSS declarations
- Miscellaneous memory safety hazards (rv:34.0 / rv:31.3)

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