Firefox 28

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Firefox 28 Released:

  • NEW – VP9 video decoding implemented
  • NEW – Mac OS X: Notification Center support for web notifications
  • NEW – Horizontal HTML5 audio/video volume control
  • NEW – Support for Opus in WebM
  • CHANGED – Now that spdy/3 is implemented support for spdy/2 has been removed and servers without spdy/3 will negotiate to http/1 without any penalty
  • DEVELOPER – Support for MathML 2.0 ‘mathvariant’ attribute
  • DEVELOPER – Background thread hang reporting
  • DEVELOPER – Support for multi-line flexbox in layout
  • FIXED – Various security fixes

Firefox 27 Available

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A new version of Firefox has been released:

  • NEW
    You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
  • CHANGED
    Enabled TLS 1.1 (RFC 4346) and TLS 1.2 (RFC 5246) by default
  • CHANGED
    Added support for SPDY 3.1 protocol
  • DEVELOPER
    Ability to reset style sheets using ‘all:unset’
  • DEVELOPER
    You can now choose to deobfuscate javascript in the debugger (see 762761)
  • DEVELOPER
    Added support for scrolled fieldsets (see 261037)
  • DEVELOPER
    Implemented allow-popups directive for iframe sandbox, enabling increased security (see 766282)
  • DEVELOPER
    CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed (see 880672)
  • DEVELOPER
    Added support for ES6 generators in SpiderMonkey (see blog post)
  • DEVELOPER
    Implemented support for mathematical function Math.hypot() in ES6 (see 896264)
  • HTML5
    Dashed line support on Canvas (see 768067)
  • FIXED
    Get Azure/Skia content rendering working on Linux (see 740200)
  • FIXED
    27.0: Security fixes can be found here

Firefox

Firefox 25 Available

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New features:

  • NEW – Web Audio support
  • NEW – The find bar is no longer shared between tabs
  • CHANGED – If away from Firefox for months, you now will be offered the option to reset it to its default state while preserving your essential information
  • CHANGED – Resetting Firefox no longer clears your browsing session
  • DEVELOPER – CSS3 background-attachment:local support to control background scrolling
  • DEVELOPER – Many new ES6 functions implemented
  • HTML5 – iframe document content can now be specified inline
  • FIXED – Blank or missing page thumbnails when opening a new tab
  • FIXED – Security fixes can be found here

Download

Firefox 24

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Firefox 24 now available:

  • NEW – Support for new scrollbar style in Mac OS X 10.7 and newer
  • NEW – Implemented Close tabs to the right
  • NEW – Social: Ability to tear-off chat windows to view separately by simply dragging them out
  • CHANGED – Accessibility related improvements on using pinned tabs (see 577727)
  • CHANGED – Removed support for Revocation Lists feature (see 867465)
  • CHANGED – Performance improvements on New Tab Page loads (see 791670)
  • DEVELOPER – Major SVG rendering improvements around Image tiling and scaling (see 600207 )
  • DEVELOPER – Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
  • DEVELOPER – Removed support for sherlock files that are loaded from application or profile directory
  • FIXED – Replace fixed-ratio audio resampler in webrtc.org capture code with Speex resampler and eliminate pseudo-44000Hz rate ( see 886886)
  • FIXED – 24.0: Security fixes can be found here

Firefox 23 Now Avalible

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Firefox 23.0 release with the following changes:

  • Dynamic toolbar hides navigation bar when scrolling down page content
  • Basic support for subscribing to feeds (RSS/Atom) with long-tap in address bar
  • Add pages to reading list on devices incapable of accessing Reader Mode
  • Preliminary implementation of Firefox Health Report for Android (see FAQ)
  • Added a setting to let users display URLs in the title bar instead of page titles
  • Users can now specify a default search engine
  • Implemented switch-to-tab
  • Added hu and tr to Android multi-locale builds
  • Added Serif/Sans Serif font toggle to Reader Mode
  • Long press Reader Mode icon to add article to Reading List (try it!)
  • Awesomescreen remembers user entered search terms
  • CSP policies using the standard syntax and semantics will now be enforced
  • Write more accessible pages on touch interfaces with new ARIA role for key buttons
  • Added unprefixed requestAnimationFrame
  • HTML5 <input type=”range” /> form control implemented
  • Dropped blink effect from text-decoration: blink; and completely removed element
  • Various security fixes

Firefox 18 Released

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Firefox 18 has been released

  • Faster JavaScript performance via IonMonkey compiler
  • Support for Retina Display on OS X 10.7 and up
  • Preliminary support for WebRTC
  • Experience better image quality with our new HTML scaling algorithm
  • Performance improvements around tab switching
  • Support for new DOM property window.devicePixelRatio
  • Improvement in startup time through smart handling of signed extension certificates
  • Support for W3C touch events implemented, taking the place of MozTouch events
  • Disable insecure content loading on HTTPS pages (62178)
  • Improved responsiveness for users on proxies (769764)

Release Notes

Firefox 16.0.1 Released

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Firefox version 16 has been released:

  • Fixed Vulnerability could allow a malicious site to potentially determine which websites users have visited and have access to the URL or URL parameters
  • Firefox on Mac OS X now has preliminary VoiceOver support turned on by default
  • Initial web app support (Windows/Mac/Linux)
  • Acholi and Kazakh localizations added
  • Improvements around JavaScript responsiveness through incremental garbage collection
  • New Developer Toolbar with buttons for quick access to tools, error count for the Web Console, and a new command line for quick keyboard access
  • CSS3 Animations, Transitions, Transforms and Gradients unprefixed in Firefox 16
  • Recently opened files list in Scratchpad implemented
  • Debugger breakpoints do not catch on page reload (783393)
  • No longer supporting MD5 as a hash algorithm in digital signatures (650355)
  • Opus support by default (772341)
  • Reverse animation direction has been implemented (655920)
  • Per tab reporting in about:memory (687724)
  • User Agent strings for pre-release Firefox versions now show only major version (728831)

Firefox 15 Released

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Firefox version 15 has been released:

  • Silent, background updates
  • Support for SPDY networking protocol v3
  • WebGL enhancements, including compressed textures for better performance
  • Localization in Maithili
  • Optimized memory usage for add-ons
  • JavaScript debugger integrated into developer tools
  • New layout view added to Inspector
  • High precision event timer implemented
  • The CSS word-break property has been implemented
  • New responsive design tool allows web developers to switch between desktop and mobile views of sites
  • Native support for the Opus audio codec added
  • The <audio> and <video> elements now support the played attribute
  • The element now supports the media attribute
  • Focus rings keep growing when repeatedly tabbing through elements (720987)

Firefox 12 Released

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A new version of Firefox has been released:

  • Firefox can now migrate your bookmarks, history, and cookies from Google Chrome
  • With Sync enabled, add-ons can now be synchronized across your computers
  • The CSS text-size-adjust property is now supported
  • Redesigned media controls for HTML5 video
  • The outerHTML property is now supported on HTML elements
  • View source syntax highlighting now uses the HTML5 parser (see bug 482921)
  • The Style Editor for CSS editing is now available to web developers
  • Web developers can now visualize a web page in 3D using the Page Inspector 3D View
  • SPDY protocol support for faster page loads is now testable
  • XMLHttpRequest now supports HTML parsing
  • Files can now be stored in IndexedDB (see bug 661877)
  • Websockets has now been unprefixed
  • Various security fixes
  • Firefox notifications may not work properly with Growl 1.3 or later (691662)

Firefox

Firefox 10 Released

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A new version of Firefox has been released:

  • The forward button is now hidden until you navigate back
  • Most add-ons are now compatible with new versions of Firefox by default
  • Anti-Aliasing for WebGL is now implemented
  • CSS3 3D-Transforms are now supported
  • New <bdi> element for bi-directional text isolation, along with supporting CSS properties
  • Full Screen APIs allow you to build a web application that runs full screen
  • We’ve added IndexedDB APIs to more closely match the specification
  • Inspect tool with content highlighting, includes new CSS Style Inspector
  • Mac OS X only – after installing the latest Java release from Apple, Firefox may crash when closing a tab with a Java applet installed
  • Some users may experience a crash when moving bookmarks

Release Notes Firefox 10