Firefox 火狐版本日历

Firefox 火狐版本日历
Phoenix1.20.1Pescadero2002.9.23First release. Customizable toolbar, quicksearch.[2]
0.2Santa Cruz2002.10.1Sidebar, extension management.[3]
0.3Lucia2002.10.14Image blocking, pop-up blocking whitelist, tabbed browsing.[4]
1.30.4Oceano2002.10.19Themes, pop-up blocking improvements, toolbar customization.[5]
0.5Naples2002.12.7Multiple homepages, sidebar and accessibility improvements.[6]
Firebird1.50.6Glendale2003.5.17New default theme (Qute), bookmark and privacy improvements, smooth scrolling, automatic image resizing.[7]
0.6.12003.7.28Bugfix release.[8]
0.7Indio2003.10.15Automatic scrolling, password manager, preferences panel improvements.[9]
0.7.1Three Kings2003.10.26Bugfix release (Mac OS X only).[10]
Firefox1.60.8Royal Oak2004.2.9Windows installer, offline working, bookmarks and download manager improvements, rebranded with new logo.[11]
1.70.9One Tree Hill2004.6.15New default theme (Winstripe), comprehensive data migration, new extension/theme manager, reduced download size, new help system, Linux installer, mail icon (Windows only).[12]
0.9.12004.6.28Bugfix release, updated default theme.[13]
0.9.22004.7.8Vulnerability patch (Windows only).[13]
0.9.32004.8.4Vulnerability patch.[14]
0.10Firefox 1.0 Preview Release Greenlane2004.9.14Bugs with higher complexity/risk, localization impact, RSS/Atom feed support, find toolbar, plugin finder.[15]
0.10.12004.10.1Vulnerability patch.[16]
Firefox 11.0 RC1Firefox 1.0 Release Candidate 1 “Mission Bay”2004.10.27First Firefox release candidate.
1.0 RC2Firefox 1.0 Release Candidate 2 “Whangamata”2004.11.3Second Firefox release candidate.
1.0Firefox 1.0 “Phoenix”2004.11.9Official version 1.0 release. Official localized builds.[17]
1.0.1Rose & Crown2005.2.24Regular security and stability update.[18]
1.0.22005.3.23Regular security and stability update.[19]
1.0.32005.4.15Regular security and stability update. Installer improvements.[20]
1.0.42005.5.11Regular security and stability update. Fix to DHTML errors encountered at some web sites.[21]
1.0.52005.7.12Regular security and stability update.[22]
1.0.62005.7.19Off-cycle stability update. Restored API compatibility for extensions and web applications that did not work in Firefox 1.0.5.[23]
1.0.72005.9.20Regular security and stability update.[24]
1.0.82006.4.13Regular security and stability update.[25]End-of-life 1.0.x product line
Firefox Park Alpha 1 Strippenkaart2005.5.31First Firefox 1.1 alpha release. Support for SVG and canvas. “Sanitize” privacy feature. Improvements in JavaScript 1.5 and CSS 2/3. Broken website reporter tool.[26]
1.1a2Deer Park Alpha 22005.7.12Second Firefox 1.1 alpha release. Blazing fast backwards and forwards (FastBack), drag-and-drop tab reordering, improved pop-up blocking, error pages instead of error dialogs.[27]
1.5b1Firefox 1.5 Beta 12005.9.9First Firefox 1.5 beta release. New update system (binary patch). Prettier error pages, more Luna-like Winstripe theme (did not blend well with the Classic theme).[28]
1.5b2Firefox 1.5 Beta 22005.10.6Second Firefox 1.5 beta release. Improvements to automated update system, website rendering and performance. Several security fixes.[29]
1.5 RC1Firefox 1.5 Release Candidate 12005.11.1First Firefox 1.5 release candidate.
1.5 RC2Firefox 1.5 Release Candidate 22005.11.10Second Firefox 1.5 release candidate.
1.5 RC3Firefox 1.5 Release Candidate 32005.11.17Third Firefox 1.5 release candidate.
1.5Firefox 1.5 “Deer Park”2005.11.29Official version 1.5 release. Official localized builds. Identical to 1.5 RC3.[30] security and stability update.[31] security and stability update. Native support for Intel-based Macintosh computers by shippinguniversal binary.[32] 2, 2006Off-cycle security update. Fix for a publicly disclosed denial of service weakness.[33] 1, 2006Regular security and stability update.[34] 26, 2006Regular security and stability update. Added changes for Frisian locale (fy-NL).[35] 2, 2006Off-cycle security and stability update. Fixed an issue with playing Windows Media content introduced by previous update.[36] 14, 2006Regular security and stability update.[37] 7, 2006Regular security and stability update.[38] 19, 2006Regular security and stability update.[39] 23, 2007Regular security and stability update.[40] 20, 2007Regular security and stability update. Regression fixes.[41] 30, 2007Regular security and stability update.[42]End-of-life 1.5.0.x product line
Firefox Echo Alpha 1March 22, 2006First Firefox 2.0 alpha release.[43]
2.0a2Bon Echo Alpha 2May 12, 2006Second Firefox 2.0 alpha release. Links default to open in new tab. Close button on every tab. Inlinespell checking for text boxes. Session restoration after browser crash. Search suggestion for Google and Yahoo!. New search plugin manager and add-on manager. Web feed previewing. Bookmarkmicrosummaries. Updates to extension system. Support for Sherlock and OpenSearch. Support for SVG text using svg:textPath.[44]
2.0a3Bon Echo Alpha 3May 26, 2006Third Firefox 2.0 alpha release. Anti-phishing protection. Search suggestions appear with search history in the search box for Google and Yahoo!. Support for client-side session and persistent storage.[45]
2.0b1Firefox 2.0 Beta 1July 12, 2006First Firefox 2.0 beta release. Improved feed support. New NSIS-based installer. JavaScript 1.7. Enhanced security and localization support for extensions.[46]
2.0b2Firefox 2.0 Beta 2August 31, 2006Second Firefox 2.0 beta release. New Winstripe theme refresh: new navigation icons, URL bar refresh (new Go button attached to the URL bar), Search bar refresh, Tab bar refresh, Alltabs button (used to view a popup list of all tabs open).[47]
2.0 RC1Firefox 2.0 Release Candidate 1September 26, 2006First Firefox 2.0 release candidate.[48]
2.0 RC2Firefox 2.0 Release Candidate 2October 6, 2006Second Firefox 2.0 release candidate.[49]
2.0 RC3Firefox 2.0 Release Candidate 3October 16, 2006Third Firefox 2.0 release candidate.[50]
2.0Firefox 2.0 Bon EchoOctober 24, 2006Official version 2.0 release, identical to 2.0 RC3. Official localized builds.[51] 19, 2006Regular security and stability update.[52] 23, 2007Regular security and stability update.[53] 20, 2007Regular security and stability update. Regression fixes and security fixes.[54] 30, 2007Regular security and stability update.[55] 17, 2007Security and stability update.[56] 30, 2007Regular security and stability update.[57] 18, 2007Off-cycle security update.[58] 18, 2007Regular security and stability update. Mac OS X 10.5 support.[59] 1, 2007Off-cycle security and stability update.[60] 26, 2007Off-cycle security and stability update.[61] 30, 2007Off-cycle stability update.[62] 7, 2008Regular security and stability update.[63] 25, 2008Regular security and stability update.[64] 16, 2008Off-cycle stability update.[65] 1, 2008Regular security and stability update.[66] 15, 2008Off-cycle security update.[67] 23, 2008Regular security and stability update.[68] 12, 2008Regular security and stability update.[69] 16, 2008Regular security and stability update.[70] 18, 2008Off-cycle security update.[71]End-of-life 2.0.0.x product line
Firefox 31.93.0a1Gran Paradiso Alpha 1December 8, 2006First Firefox 3.0 alpha release. Cairo graphics library. Cocoa Widgets in OS X builds. Updated threading model. Changes to how DOM events are dispatched, how HTML object elements are loaded, and how web pages are painted. New SVG elements and filters, and improved SVG specification compliance. Windows 9598ME and Mac OS X v10.2 no longer supported. Moving DOM nodes between documents require a call to importNode or adoptNode as per the DOM specification.[72]
3.0a2Gran Paradiso Alpha 2February 7, 2007Second Firefox 3.0 alpha release. Reflow refactoring (leading to Acid2 test compliance) among numerous layout bug fixes. Web Apps 1.0 API for changing stylesheets support. Inline-block and inline-table values of CSS 2.1’s display property implemented. XML documents can be rendered during download. Greatly improved Mac widgets support since Alpha 1. Improvements in Cairo graphics layer. Non-standard JavaScript “Script” object no longer supported.[73]
3.0a3Gran Paradiso Alpha 3March 23, 2007Third Firefox 3.0 alpha release. Support for allowing web pages to store resources in the browser’s offline cache. Support for Animated PNG images. Support for the “HTTPOnly” cookie extension which provides enhanced cookie privacy (also backported to Firefox Improvements to layout and scaling precision across numerous screen and printer resolutions.[74]
3.0a4Gran Paradiso Alpha 4April 27, 2007Fourth Firefox 3.0 alpha release. Adding of FUEL JavaScript library for extension developers. Rewrite of Page Info dialog. Upgrade to Cairo 1.4.2. More Cocoa regression fixes.[75]
3.0a5Gran Paradiso Alpha 5June 6, 2007Fifth Firefox 3.0 alpha release. Places (bookmark and history service based on SQLite) used by default, but no front-end changes. Breakpad used as crash reporter on Windows and Mac OS X, superseding closed-source Talkback. Password manager rewrite. Support for Growl and native widgets within forms for Mac OS X.[76]
3.0a6Gran Paradiso Alpha 6July 2, 2007Sixth Firefox 3.0 alpha release. Upgrade of SQLite to version 3.3.17, leading to increased cookieperformance due to transition of cookie service to SQLite. Site-specific preference service, used initially for text zoom, allowing zoom setting to remain on each website. Support for native widgets within forms for Linux. New Quit dialog handles multiple windows more elegantly and allows users to save session. Autoscroll rewrite: numerous bug fixes and significant performance gain. Fixes to the use of units within the download manager. Various Places bug fixes.[77]
3.0a7Gran Paradiso Alpha 7August 3, 2007Seventh Firefox 3.0 alpha release. More APIs implemented from WHATWG specs, such as ability to read files from file selection fields without need to upload and cut/copy/paste events, and cross-siteXMLHttpRequest. New protocol-handling dialog. Experimental full-page zoom support, but no UI to control it. Numerous Mac OS X bug fixes, but Mac OS X 10.3 no longer supported for Gecko 1.9. General bug fixes.[78]
3.0a8Gran Paradiso Alpha 8September 20, 2007Eighth Firefox 3.0 alpha release. New, basic UI for tagging bookmarks. Remember password prompt changed to non-modal information bar. Malware blacklist support. New UI for FTP and File protocol listings. Applications pane added to preferences. Basic support for web-based protocol handlers.[79]
3.0b1Firefox 3.0 Beta 1November 19, 2007First Firefox 3.0 beta release.[80]
3.0b2Firefox 3.0 Beta 2December 18, 2007Second Firefox 3.0 beta release. New UI improvements, including redesigned location bar, Places Organizer, Smart Bookmarks. Various stability and performance improvements.[81]
3.0b3Firefox 3.0 Beta 3February 12, 2008Third Firefox 3.0 beta release. New UI improvements, including redesigned buttons and location bar. Different default native themes for each operating system. Upgraded to SQLite 3.5.4. Various stability and performance improvements.[82]
3.0b4Firefox 3.0 Beta 4March 10, 2008Fourth Firefox 3.0 beta release. New UI improvement, including improved default themes for different operating systems. Various improvements in speed and resource usage.[83]
3.0b5Firefox 3.0 Beta 5April 2, 2008Fifth Firefox 3.0 beta release. Further improved themes to match various operating systems, JavaScript engine optimizations for speed, improved Places organizer.[84]
3.0 RC1Firefox 3.0 Release Candidate 1May 16, 2008First Firefox 3.0 release candidate.[85]
3.0 RC2Firefox 3.0 Release Candidate 2June 5, 2008Second Firefox 3.0 release candidate.[86]
3.0 RC3Firefox 3.0 Release Candidate 3June 11, 2008Third Firefox 3.0 release candidate.[87]
3.0Firefox 3.0 Gran ParadisoJune 17, 2008Official version 3.0 release.[88]
3.0.1July 16, 2008Security and stability update.[89]
3.0.2September 23, 2008Regular security and stability update.[90]
3.0.3September 26, 2008Bug fix for retrieving and saving passwords.[91]
3.0.4November 12, 2008Regular security and stability update.[92]
3.0.5December 16, 2008Regular security and stability update.[93]
3.0.6February 3, 2009Regular security and stability update.[94]
3.0.7March 4, 2009Regular security and stability update.[95]
3.0.8March 27, 2009Off-cycle security update.[96]
3.0.9April 21, 2009Regular security and stability update.[97]
3.0.10April 27, 2009Off-cycle stability update.[98]
3.0.11June 11, 2009Regular security and stability update.[99]
3.0.12July 21, 2009Regular security and stability update.[100]
3.0.13August 3, 2009Regular security and stability update.[101]
3.0.14September 9, 2009Regular security and stability update.[102]
3.0.15October 27, 2009Regular security and stability update.[103]
3.0.16December 15, 2009Regular security and stability update.[104]
3.0.17January 5, 2010Off-cycle stability update.[105]
3.0.18February 17, 2010Regular security and stability update.[106]
3.0.19March 30, 2010Regular security and stability update.[107]End-of-life 3.0.x product line
Firefox Alpha 1July 28, 2008First Firefox 3.1 alpha release. Web standards improvements. Text API for the <canvas> element. Support for using border images. Support for DOM query selectors. Improvements to Smart Location Bar. New tab-switching behavior.[108]
3.1a2Shiretoko Alpha 2September 5, 2008Second Firefox 3.1 alpha release.[109]
3.1b1Firefox 3.1 Beta 1October 14, 2008First Firefox 3.1 beta release. Web standards improvements in Gecko layout engine. Added support for CSS 2.1 and CSS 3 properties. New tab-switching shortcut that shows previews of the tab user is switching to. Improved control over Smart Location Bar using special characters to restrict your search. Support for new web technologies.[clarification needed][110]
3.1b2Firefox 3.1 Beta 2December 8, 2008Second Firefox 3.1 beta release. Available in 54 languages. Added new Private Browsing Mode. Added functions to facilitate clearing recent history by time as well as to remove all traces of a website. New support for web worker threads. New TraceMonkey JavaScript engine on by default for web content. Improvements to Gecko layout engine, including speculative parsing for faster content rendering. Removed new tab-switching behavior based on user feedback. Support for new web technologies.[clarification needed][111]
3.1b3Firefox 3.1 Beta 3March 12, 2009Third Firefox 3.1 beta release. Available in 64 languages. Improved new Private Browsing Mode. Improvements to web worker thread support. Improved performance and stability with the TraceMonkey JavaScript engine. New native JSON support. Improvements to Gecko layout engine, including speculative parsing for faster content rendering. Support for new web technologies such as <video> and <audio> elements, W3C Geolocation API, JavaScript query selectors, CSS 2.1 and 3 properties, SVG transforms and offline applications.[112]
3.5b4Firefox 3.5 Beta 4April 27, 2009First Firefox 3.5 beta release. Available in 70 languages. Improved tools for controlling private data, including Private Browsing Mode. Better performance and stability with new TraceMonkey JavaScript engine. Ability to provide Location Aware Browsing using web standards for geolocation. Support for native JSON, and web worker threads. Improvements to Gecko layout engine, including speculative parsing for faster content rendering. Support for new web technologies such as HTML5 <video> and <audio> elements, downloadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.[113]
3.5b99Firefox 3.5 PreviewJune 8, 2009Preview for Firefox 3.5, pre-release candidate.[114]
3.5 RC1Firefox 3.5 Release Candidate 1June 16, 2009First Firefox 3.5 release candidate.[115]
3.5 RC2Firefox 3.5 Release Candidate 2June 19, 2009Second Firefox 3.5 release candidate.[116]
3.5 RC3Firefox 3.5 Release Candidate 3June 24, 2009Third Firefox 3.5 release candidate.[117]
3.5Firefox 3.5 ShiretokoJune 30, 2009Official version 3.5 release. Identical to 3.5 RC3.[118]
3.5.1July 16, 2009Off-cycle security and stability update.[119]
3.5.2August 3, 2009Regular security and stability update.[120]
3.5.3September 9, 2009Regular security and stability update.[121]
3.5.4October 27, 2009Regular security and stability update.[122]
3.5.5November 5, 2009Off-cycle security and stability update.[123]
3.5.6December 15, 2009Regular security and stability update.[124]
3.5.7January 5, 2010Off-cycle stability update.[125]
3.5.8February 17, 2010Regular security and stability update.[126]
3.5.9March 30, 2010Regular security and stability update.[127]
3.5.10June 22, 2010Regular security and stability update.[128]
3.5.11July 20, 2010Regular security and stability update.[129]
3.5.12September 7, 2010Regular security and stability update.[130]
3.5.13September 15, 2010Off-cycle stability update.[131]
3.5.14October 19, 2010Regular security and stability update.[132]
3.5.15October 27, 2010Off-cycle security update.[133]
3.5.16December 9, 2010Regular security and stability update.[134]
3.5.17March 1, 2011Regular security and stability update.[135]
3.5.18March 22, 2011Off-cycle security update. Blacklists a few invalid HTTPS certificates.[136]
3.5.19April 28, 2011Regular security and stability update.[137]End-of-life 3.5.x product line
Firefox Alpha 1August 7, 2009First Firefox 3.6 alpha release. Compositor (Phase 1), which moves Gecko to using one native widget per top-level content document. A new focus model. The chromedir attribute has been replaced with a pseudoclass. Several new CSS3 properties including background size and gradients for background images. Speed improvements to the TraceMonkey JavaScript engine. Startup and responsiveness improvements throughout the application.[138]
3.6b1Firefox 3.6 Beta 1October 30, 2009First Firefox 3.6 beta release. Users can now change their browser’s appearance with a single click, with built in support for Personas. Firefox 3.6 will alert users about out of date plugins to keep them safe. Open, native video can now be displayed full screen, and supports poster frames. Support for the WOFF font format. Improved JavaScript performance, overall browser responsiveness and startup time. Support for new CSS, DOM and HTML5 web technologies.[139]
3.6b2Firefox 3.6 Beta 2November 10, 2009Second Firefox 3.6 beta release. A mechanism to prevent incompatible software from crashing Firefox.[140]
3.6b3Firefox 3.6 Beta 3November 17, 2009Third Firefox 3.6 beta release. A change to how third-party software integrates with Firefox to increase stability. The ability to run scripts asynchronously to speed up page load times.[141]
3.6b4Firefox 3.6 Beta 4November 26, 2009Fourth Firefox 3.6 beta release. Added support for the HTML5 File API.[142]
3.6b5Firefox 3.6 Beta 5December 17, 2009Fifth Firefox 3.6 beta release.[143]
3.6 RC1Firefox 3.6 Release Candidate 1January 8, 2010First Firefox 3.6 release candidate.[144]
3.6 RC2Firefox 3.6 Release Candidate 2January 17, 2010Second Firefox 3.6 release candidate.[145]
3.6Firefox 3.6 NamorokaJanuary 21, 2010Official Firefox 3.6 release. Identical to 3.6 RC2.[146]
3.6.2[t 1]March 22, 2010Security and stability update.[147]
3.6.3April 1, 2010Quick turn-around security update.[148]
3.6.3plugin1Firefox 3.6.3plugin1 “Lorentz”April 8, 2010First Firefox “Lorentz” beta, followed by 7 more Firefox 3.6.4 pre-release builds, all codenamed “Lorentz”.[149]
3.6.4Firefox 3.6.4 (OOPP) LorentzJune 22, 2010Regular security and stability update, including OOPP.[150]
3.6.6[t 2]June 26, 2010Off-cycle stability update. Modified crash protection feature to increase amount of time plugins allowed to be non-responsive before being terminated.[151]
3.6.7July 20, 2010Regular security and stability update.[152]
3.6.8July 23, 2010Off-cycle stability update.[153]
3.6.9September 7, 2010Regular security and stability update. Also added support for X-FRAME-OPTIONS HTTP response header to help prevent clickjacking and removed option to enable experimental HTML5 parser via user preference html5.enable in about:config.[154]
3.6.10September 15, 2010Off-cycle stability update.[155]
3.6.11October 19, 2010Regular security and stability update.[156]
3.6.12October 27, 2010Off-cycle security update.[157]
3.6.13December 9, 2010Regular security and stability update.[158]
3.6.14March 1, 2011Regular security and stability update.[159]
3.6.15March 4, 2011Off-cycle stability update. Fixed issue where some Java applets failed to load in Firefox 3.6.14.[160]
3.6.16March 22, 2011Off-cycle security update. Blacklisted several invalid HTTPS certificates.[161]
3.6.17April 28, 2011Regular security and stability update.[162]
3.6.18June 21, 2011Regular security and stability update.[163]
3.6.19July 11, 2011Off-cycle stability update. Turned off downloadable font support for users running Mac OS X 10.7 due to an underlying platform bug. No changes made on Windows side.[164]
3.6.20August 16, 2011Regular security and stability update.[165]
3.6.21August 30, 2011Off-cycle security update. Blacklisted a compromised HTTPS certificate.[166]
3.6.22September 6, 2011Off-cycle security update.[167]
3.6.23September 27, 2011Regular security and stability update.[168]
3.6.24November 8, 2011Regular security and stability update.[169]
3.6.25December 20, 2011Regular security and stability update.[170]
3.6.26January 31, 2012Regular security and stability update.[171]
3.6.27February 17, 2012Off-cycle security update.[172]
3.6.28March 13, 2012Regular security and stability update.[173]End-of-life 3.6.x product line on April 24, 2012
Firefox Developer Preview 3.7 Alpha 1February 10, 2010First Firefox 3.7 alpha release. Support for WebGL(Disabled by default, but can be enabled by changing a preference). Support for new CSS, DOM and HTML5 web technologies.[174]
3.7a2Mozilla Developer Preview 3.7 Alpha 2March 3, 2010Second Firefox 3.7 alpha release. On Windows and Linux, plugins (such as Flash and Silverlight) are now isolated from Firefox. Plugin crashes will not kill Firefox itself, and unresponsive plugins are automatically restarted. The SSL security system has been changed to fix a renegotiation flaw. Link history lookup is now performed asynchronously on a thread. Loading the HTML5 specification no longer causes very long browser pauses. Some JavaScript engine improvements. The stop and reload buttons have been merged when they are adjacent on the toolbar. More performance and stability improvements.[175]
3.7a3Mozilla Developer Preview 3.7 Alpha 3March 17, 2010Third Firefox 3.7 alpha release. An experimental Direct2D rendering backend on Windows is available, turned off by default. Significant API improvements are available for JS-ctypes. Mozilla now uses an infallible allocator. Additional fixes for multi-process plugins.[176]
3.7a4Mozilla Developer Preview 3.7 Alpha 4April 12, 2010Fourth Firefox 3.7 alpha release. CSS :visited selectors have been changed to block ways that websites can quickly check a user’s browsing history. Currently loaded web pages are shown in the location bar autocomplete list, allowing switching to existing tabs. The beta version of Adobe Flash is now run in a separate process on Mac OS X Snow Leopard (10.6). Full-screen video on Windows is now rendered using hardware acceleration when available. Mozilla has implemented the Core Animation rendering model for plugins on Mac OS X. Linux builds are now built with -fomit-frame-pointer. Support for new SVG and HTML5 web technologies.[177]
3.7a4webmMozilla Developer Preview 3.7 Alpha 4 WebMMay 19, 2010Added WebM video playback.
3.7a5Mozilla Developer Preview 3.7 Alpha 5June 14, 2010Fifth Firefox 3.7 alpha release. First official release to include linux-x86_64 and mac-x86_64 builds and first regular release to include WebM video playback. New Addons Manager (placeholder UI only). Tab on Top can now be implemented. Firefox now uses hardware acceleration for video playback. Cocoa NPAPI support. ChromeWorker with jsctypes support. Lazy frame construction for faster dynamic pages. JavaScript performance improvements. Loading the URL about:memory now shows how much memory is used by different parts of Firefox. More Performance improvement and support for new CSS and HTML5 web technology.[178]
2.04.0b1Firefox 4.0 Beta 1July 6, 2010First Firefox 4.0 beta release. Tabs are now on top by default on Windows. On Windows Vista and Windows 7 the menu bar has been replaced with the Firefox button. The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you’d like). Support for more HTML5 technologies.[179]
4.0b2Firefox 4.0 Beta 2July 27, 2010Second Firefox 4.0 beta release. Tabs are now on top by default on OSX. App Tabs can now be created. Content animation using CSS Transitions can now be implemented. Responsiveness and scrolling improvements from the new retained layers layout system. JavaScript speed improvements due to engine optimizations. Changes to how XPCOM components are registered in order to help startup time and process separation.[180]
4.0b3Firefox 4.0 Beta 3August 11, 2010Third Firefox 4.0 beta release. Web authors can now get touch events from Firefox users on Windows 7 machines. A new way of representing values in JavaScript that allows Firefox to execute heavy, numeric code (used for things like graphics and animations) more efficiently.[181]
4.0b4Firefox 4.0 Beta 4August 24, 2010Fourth Firefox 4.0 beta release. Firefox Sync is now included. Panorama, a new feature that gives users a visual overview of all open tabs, allowing them to be sorted and grouped, is now included. An experimental API is included to provide more efficient Javascript animations. Firefox now supports the HTML5 video “buffered” property.[182]
4.0b5Firefox 4.0 Beta 5September 7, 2010Fifth Firefox 4.0 beta release. Support for the new proposed Audio Data API. Direct2D Hardware Acceleration is now on by default for Windows 7 users. Firefox button has a new look for Windows Vista and Windows 7 users. Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL.[183]
4.0b6Firefox 4.0 Beta 6September 14, 2010Sixth Firefox 4.0 beta release. Fixed a stability issue affecting Windows users. Fixed an issue causing rendering errors with plugins affecting Mac OS X users.[184]
4.0b7Firefox 4.0 Beta 7November 10, 2010Seventh Firefox 4.0 beta release. Uses JägerMonkey, a new, faster JavaScript engine. WebGL is enabled by default on Windows and Mac OS X. Certain rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS X. Improved web typography using OpenType with support for ligatures, kerning and font variants. HTML5 Forms API makes web based forms easier to implement and validate.[185]
4.0b8Firefox 4.0 Beta 8December 21, 2010Eighth Firefox 4.0 beta release. The Firefox Sync setup experience has been greatly improved across desktop and mobile devices. Speed, functionality, and compatibility improvements to WebGL. Additional polish for the Firefox Add-ons Manager.[186]
4.0b9Firefox 4.0 Beta 9January 14, 2011Ninth Firefox 4.0 beta release. Overhaul of the bookmarks and history code, enabling faster bookmarking and startup performance. Per-compartment garbage collection is now enabled, reducing work done during complex animations.[187]
4.0b10Firefox 4.0 Beta 10January 25, 2011Tenth Firefox 4.0 beta release. Compatibility and stability improvements when using Adobe Flash on Mac OS X. Improvements in memory usage. Support for a graphics driver blacklist to improve stability.[188]
4.0b11Firefox 4.0 Beta 11February 8, 2011Eleventh Firefox 4.0 beta release. Support for the proposed Do Not Track (“DNT”) header. Connection status messages are now shown in a small overlay. WebGL has been re-enabled on Linux. The default homepage design has been refreshed. Firefox no longer switches into offline mode automatically.[189]
4.0b12Firefox 4.0 Beta 12February 25, 2011Twelfth Firefox 4.0 beta release. Increased performance while viewing Flash content. Improved plugin compatibility with hardware acceleration enabled. Hovering over links now displays the URL at the bottom of the window rather than in the location bar. General stability, performance, and compatibility improvements.[190]
4.0 RC1Firefox 4.0 Release Candidate 1March 9, 2011First Firefox 4.0 release candidate. General stability, performance, and compatibility improvements.[191]
4.0 RC2Firefox 4.0 Release Candidate 2March 18, 2011Second Firefox 4.0 release candidate. Blacklisted a few invalid HTTPS certificates. Updated localizations for 29 locales. Added Vietnamese localization, bringing the total languages available in Firefox 4 to 83.[192]
4.0Firefox 4.0 TumucumaqueMarch 22, 2011Official Firefox 4.0 release. Identical to 4.0 RC2.[193]
4.0.1Firefox 4.0.1 MacawApril 28, 2011Regular security and stability update.[194]End-of-life 4.0.x product line
Firefox 55.05.0a2Firefox 5.0 AuroraApril 13, 2011First Firefox 5.0 Aurora build.[195][196]
5.0b1Firefox 5.0 Beta 1May 4, 2011No official Firefox 5.0 beta release. Renamed “Aurora 5.0 Alpha 2” build to test release channel switching for users on the Aurora-Channel.[197]
5.0b2Firefox 5.0 Beta 2May 20, 2011First Firefox 5.0 Beta release.[198][199]
5.0b3Firefox 5.0 Beta 3June 1, 2011Second Firefox 5.0 Beta release.
5.0b5[t 3]Firefox 5.0 Beta 5June 9, 2011Third Firefox 5.0 Beta release.
5.0b6Firefox 5.0 Beta 6June 14, 2011Fourth Firefox 5.0 Beta release.
5.0b7Firefox 5.0 Beta 7June 15, 2011Fifth Firefox 5.0 Beta release.
5.0Firefox 5.0June 21, 2011Official Firefox 5.0 release. Added support for CSS animations. The Do-Not-Track header preference has been moved to increase discoverability. Tuned HTTP idle connection logic for increased performance. Improved canvas, JavaScript, memory, and networking performance. Improved standards support for HTML5, XHR, MathML, SMIL, and canvas. Improved spell checking for some locales. Improved desktop environment integration for Linux users. WebGL content can no longer load cross-domain textures. Background tabs have setTimeout and setInterval clamped to 1000 ms to improve performance.[200]
5.0.1Firefox 5.0.1July 11, 2011Off-cycle stability update. Worked around issue in Mac OS X 10.7 that caused Firefox to crash, and issue caused by Apple’s “Java for Mac OS X 10.6 Update 5” that prevented Java plugin from loading. No changes made on Windows side.[201]End-of-life 5.0.x product line on August 16, 2011.
Firefox 66.06.0a1Firefox 6.0 NightlyApril 13, 2011First Firefox 6.0 Nightly build.[195][202]
6.0a2Firefox 6.0 AuroraMay 25, 2011First Firefox 6.0 Aurora build.[203][204]
6.0b1Firefox 6.0 Beta 1July 8, 2011First Firefox 6.0 Beta release.[205][206]
6.0b2Firefox 6.0 Beta 2July 16, 2011Second Firefox 6.0 Beta release.
6.0b3Firefox 6.0 Beta 3July 26, 2011Third Firefox 6.0 Beta release.
6.0b4Firefox 6.0 Beta 4August 1, 2011Fourth Firefox 6.0 Beta release.
6.0b5Firefox 6.0 Beta 5August 5, 2011Fifth Firefox 6.0 Beta release.
6.0Firefox 6.0August 16, 2011Official Firefox 6.0 release. The address bar now highlights the domain of the website you’re visiting.Streamlined the look of the site identity block. Added support for the latest draft version of WebSockets with a prefixed API. Added support for EventSource / server-sent events. Added support for window.matchMedia. Added Scratchpad, an interactive JavaScript prototyping environment. Added a new Web Developer menu item and moved development-related items into it. Improved usability of the Web Console. Improved the discoverability of Firefox Sync. Reduced browser startup time when using Panorama. Fixed several stability and security issues.[207]
6.0.1Firefox 6.0.1August 30, 2011Off-cycle security update. Blacklisted a compromised HTTPS certificate.[208]
6.0.2Firefox 6.0.2September 6, 2011Off-cycle security update.[209]End-of-life 6.0.x product line on September 27, 2011.
Firefox 77.07.0a1Firefox 7.0 NightlyMay 25, 2011First Firefox 7.0 Nightly build.[210]
7.0a2Firefox 7.0 AuroraJuly 6, 2011First Firefox 7.0 Aurora build.[211][212]
7.0b1Firefox 7.0 Beta 1August 18, 2011First Firefox 7.0 Beta release.[213][214]
7.0b2Firefox 7.0 Beta 2August 26, 2011Second Firefox 7.0 Beta release.
7.0b4 [t 4]Firefox 7.0 Beta 4September 6, 2011Third Firefox 7.0 Beta release.
7.0b5Firefox 7.0 Beta 5September 9, 2011Fourth Firefox 7.0 Beta release.
7.0b6Firefox 7.0 Beta 6September 19, 2011Fifth Firefox 7.0 Beta release.
7.0Firefox 7.0September 27, 2011Official Firefox 7.0 release. Drastically improved memory handling for certain use cases. Added a new rendering backend to speed up Canvas operations on Windows systems. Bookmark and password changes now sync almost instantly when using Firefox Sync. The ‘http://’ URL prefix is now hidden by default. Added support for text-overflow: ellipsis. Added support for the Web Timing specification. Enhanced support for MathML. The WebSocket protocol has been updated from version 7 to version 8. Added an opt-in system for users to send performance data back to Mozilla to improve future versions of Firefox.[215]
7.0.1Firefox 7.0.1September 29, 2011Off-cycle security and stability update. Fixed a rare issue that hid one or more add-ons after a Firefox update.[216]End-of-life 7.0.x product line on November 8, 2011.
Firefox 88.08.0a1Firefox 8.0 NightlyJuly 6, 2011First Firefox 8.0 Nightly build.[217]
8.0a2Firefox 8.0 AuroraAugust 19, 2011First Firefox 8.0 Aurora build.[218][219]
8.0b1Firefox 8.0 Beta 1September 29, 2011First Firefox 8.0 Beta release.[220][221]
8.0b2Firefox 8.0 Beta 2October 10, 2011Second Firefox 8.0 Beta release.
8.0b3Firefox 8.0 Beta 3October 13, 2011Third Firefox 8.0 Beta release.
8.0b4Firefox 8.0 Beta 4October 19, 2011Fourth Firefox 8.0 Beta release.
8.0b5Firefox 8.0 Beta 5October 27, 2011Fifth Firefox 8.0 Beta release. Removed support for new tab animation due to incompatibilities with some extensions.
8.0b6Firefox 8.0 Beta 6November 1, 2011Sixth Firefox 8.0 Beta release.
8.0Firefox 8.0November 8, 2011Official Firefox 8.0 release.[222]
8.0.1Firefox 8.0.1November 21, 2011Off-cycle security and stability update.[223]End-of-life 8.0.x product line on December 20, 2011.
Firefox 99.09.0a1Firefox 9.0 NightlyAugust 17, 2011First Firefox 9.0 Nightly build.[224]
9.0a2Firefox 9.0 AuroraSeptember 28, 2011First Firefox 9.0 Aurora build.[225][226]
9.0b1Firefox 9.0 Beta 1November 11, 2011First Firefox 9.0 Beta release.[227][228]
9.0b2Firefox 9.0 Beta 2November 17, 2011Second Firefox 9.0 Beta release.
9.0b3Firefox 9.0 Beta 3November 24, 2011Third Firefox 9.0 Beta release.
9.0b4Firefox 9.0 Beta 4December 1, 2011Fourth Firefox 9.0 Beta release.
9.0b5Firefox 9.0 Beta 5December 8, 2011Fifth Firefox 9.0 Beta release.
9.0b6Firefox 9.0 Beta 6December 15, 2011Sixth Firefox 9.0 Beta release.
9.0Firefox 9.0December 20, 2011Official Firefox 9.0 release.[229]
9.0.1Firefox 9.0.1December 21, 2011Off-cycle security and stability update.[230]End-of-life 9.0.x product line on January 31, 2012.
Firefox 1010.010.0a1Firefox 10.0 NightlySeptember 28, 2011First Firefox 10.0 Nightly build.[231]
10.0a2Firefox 10.0 AuroraNovember 9, 2011First Firefox 10.0 Aurora build.[232][233]
10.0b1Firefox 10.0 Beta 1December 22, 2011First Firefox 10.0 Beta release.[234][235]
10.0b2Firefox 10.0 Beta 2December 28, 2011Second Firefox 10.0 Beta release.
10.0b3Firefox 10.0 Beta 3January 4, 2012Third Firefox 10.0 Beta release.
10.0b4Firefox 10.0 Beta 4January 13, 2012Fourth Firefox 10.0 Beta release.
10.0b5Firefox 10.0 Beta 5January 20, 2012Fifth Firefox 10.0 Beta release.
10.0b6Firefox 10.0 Beta 6January 26, 2012Sixth Firefox 10.0 Beta release.
10.0Firefox 10.0January 31, 2012Official Firefox 10.0 release.[236] First Extended Support Release (ESR).[237]
10.0.1Firefox 10.0.1February 10, 2012Off-cycle security and stability update.[238]
10.0.2Firefox 10.0.2February 16, 2012Off-cycle security and stability update.[239]End-of-life 10.0.x product line on March 13, 2012.
10.0.3esrFirefox 10.0.3esrMarch 13, 2012Regular security and stability update.[240]
10.0.4esrFirefox 10.0.4esrApril 24, 2012Regular security and stability update.[241]
10.0.5esrFirefox 10.0.5esrJune 5, 2012Regular security and stability update.[242]
10.0.6esrFirefox 10.0.6esrJuly 17, 2012Regular security and stability update.[243]
10.0.7esrFirefox 10.0.7esrAugust 28, 2012Regular security and stability update. Also fixed contenteditable breaks that middle-click to open links, and addresses a fix that allows specifying wildcard that matches all simple netbiosnames in network.automatic-ntlm-auth.trusted-uris.[244]
10.0.8esrFirefox 10.0.8esrOctober 9, 2012Regular security and stability update.[245]
10.0.9esrFirefox 10.0.9esrOctober 12, 2012Off-cycle security update.[246]
10.0.10esrFirefox 10.0.10esrOctober 26, 2012Off-cycle security update.[247]
10.0.11esrFirefox 10.0.11esrNovember 20, 2012Off-cycle security update.[248]
10.0.12esrFirefox 10.0.12esrJanuary 8, 2013Off-cycle security update.[249] End-of-life 10.0.x ESR product line on February 12, 2013.
Firefox 1111.011.0a1Firefox 11.0 NightlyNovember 9, 2011First Firefox 11.0 Nightly build.[250]
11.0a2Firefox 11.0 AuroraDecember 21, 2011First Firefox 11.0 Aurora build.[251][252]
11.0b1Firefox 11.0 Beta 1February 3, 2012First Firefox 11.0 Beta release.[253][254]
11.0b2Firefox 11.0 Beta 2February 10, 2012Second Firefox 11.0 Beta release.
11.0b3Firefox 11.0 Beta 3February 17, 2012Third Firefox 11.0 Beta release.
11.0b4Firefox 11.0 Beta 4February 24, 2012Fourth Firefox 11.0 Beta release.
11.0b5Firefox 11.0 Beta 5March 2, 2012Fifth Firefox 11.0 Beta release.
11.0b6Firefox 11.0 Beta 6March 9, 2012Sixth Firefox 11.0 Beta release.
11.0b7Firefox 11.0 Beta 7March 9, 2012Seventh Firefox 11.0 Beta release.
11.0b8Firefox 11.0 Beta 8March 11, 2012Eighth Firefox 11.0 Beta release.
11.0Firefox 11.0March 13, 2012Official Firefox 11.0 release.[255]End-of-life 11.0.x product line on April 24, 2012.
Firefox 1212.012.0a1Firefox 12.0 NightlyDecember 20, 2011First Firefox 12.0 Nightly build.[256]
12.0a2Firefox 12.0 AuroraFebruary 2, 2012First Firefox 12.0 Aurora build.[257][258]
12.0b1Firefox 12.0 Beta 1March 16, 2012First Firefox 12.0 Beta release.[259][260]
12.0b2Firefox 12.0 Beta 2March 22, 2012Second Firefox 12.0 Beta release.
12.0b3Firefox 12.0 Beta 3March 30, 2012Third Firefox 12.0 Beta release.
12.0b4Firefox 12.0 Beta 4April 5, 2012Fourth Firefox 12.0 Beta release.
12.0b5Firefox 12.0 Beta 5April 16, 2012Fifth Firefox 12.0 Beta release.
12.0b6Firefox 12.0 Beta 6April 18, 2012Sixth Firefox 12.0 Beta release.
12.0Firefox 12.0April 24, 2012Official Firefox 12.0 release.
Firefox 1313.013.0a1Firefox 13.0 NightlyFebruary 1, 2012First Firefox 13.0 Nightly build.
13.0a2Firefox 13.0 AuroraMarch 19, 2012First Firefox 13.0 Aurora build.
13.0b1Firefox 13.0 Beta 1April 27, 2012First Firefox 13.0 Beta release.
13.0b2Firefox 13.0 Beta 2May 3, 2012Second Firefox 13.0 Beta release.
13.0b3Firefox 13.0 Beta 3May 15, 2012Third Firefox 13.0 Beta release.
13.0b4Firefox 13.0 Beta 4May 17, 2012Fourth Firefox 13.0 Beta release.
13.0b5Firefox 13.0 Beta 5May 25, 2012Fifth Firefox 13.0 Beta release.
13.0b6Firefox 13.0 Beta 6May 30, 2012Sixth Firefox 13.0 Beta release.
13.0b7Firefox 13.0 Beta 7June 1, 2012Seventh Firefox 13.0 Beta release.
13.0Firefox 13.0June 5, 2012Official Firefox 13.0 release.
13.0.1Firefox 13.0.1June 15, 2012Off-cycle security and stability update.[261]End-of-life 13.0.x product line on July 17, 2012.
Firefox 1414.014.0a1Firefox 14.0 NightlyMarch 14, 2012First Firefox 14.0 Nightly build.
14.0a2Firefox 14.0 AuroraApril 27, 2012First Firefox 14.0 Aurora build.
14.0b6Firefox 14.0 Beta 6June 5, 2012First Firefox 14.0 Beta release.[262]
14.0b7Firefox 14.0 Beta 7June 14, 2012Second Firefox 14.0 Beta release.
14.0b8Firefox 14.0 Beta 8June 22, 2012Third Firefox 14.0 Beta release.
14.0b9Firefox 14.0 Beta 9June 25, 2012Fourth Firefox 14.0 Beta release.
14.0b10Firefox 14.0 Beta 10July 2, 2012Fifth Firefox 14.0 Beta release.
14.0b11Firefox 14.0 Beta 11July 6, 2012Sixth Firefox 14.0 Beta release.
14.0b12Firefox 14.0 Beta 12July 11, 2012Seventh Firefox 14.0 Beta release.
14.0Firefox 14.0June 26, 2012Official Firefox Mobile 14.0 release.[263]
14.0.1Firefox 14.0.1July 17, 2012Official Firefox Desktop 14.0 release. Off-cycle security and stability update.[264]End-of-life 14.0.x product line on August 28, 2012.
Firefox 1515.015.0a1Firefox 15.0 NightlyApril 25, 2012First Firefox 15.0 Nightly build.
15.0a2Firefox 15.0 AuroraJune 5, 2012First Firefox 15.0 Aurora build.
15.0b1Firefox 15.0 Beta 1July 17, 2012First Firefox 15.0 Beta release.
15.0Firefox 15.0August 28, 2012Official Firefox 15.0 release.
15.0.1Firefox 15.0.1September 6, 2012Off-cycle stability update.[265] End-of-life 15.0.x product line on October 9, 2012.
Firefox 1616.016.0a1Firefox 16.0 NightlyJune 5, 2012First Firefox 16.0 Nightly build.
16.0a2Firefox 16.0 AuroraJuly 17, 2012First Firefox 16.0 Aurora build.
16.0b1Firefox 16.0 Beta 1August 28, 2012First Firefox 16.0 Beta release.
16.0Firefox 16.0October 9, 2012Official Firefox 16.0 release.
16.0.1Firefox 16.0.1October 11, 2012Off-cycle security and stability update. [266]
16.0.2Firefox 16.0.2October 26, 2012Off-cycle security and stability update.[267] End-of-life 16.0.x product line on November 20, 2012.
Firefox 1717.017.0a1Firefox 17.0 NightlyJuly 17, 2012First Firefox 17.0 Nightly build.
17.0a2Firefox 17.0 AuroraAugust 28, 2012First Firefox 17.0 Aurora build.
17.0b1Firefox 17.0 Beta 1October 9, 2012First Firefox 17.0 Beta release.
17.0b6Firefox 17.0 Beta 6October 11, 2012Second Firefox 17.0 Beta release.[268]
17.0Firefox 17.0November 20, 2012Official Firefox 17.0 release.[269]
17.0.1Firefox 17.0.1November 30, 2012Off-cycle stability update.[270] End-of-life 17.0.x product line on January 8, 2013.
17.0esrFirefox 17.0esrNovember 20, 2012Official Firefox 17.0 Extended Support release (ESR).
17.0.1esrFirefox 17.0.1esrNovember 30, 2012Off-cycle stability update.
17.0.2esrFirefox 17.0.2esrJanuary 8, 2013Off-cycle security and stability updates. Fixed improvements to the Click-to-Play vulnerable plugin blocklisting feature.[271]
Firefox 1818.018.0a1Firefox 18.0 Nightly2012年8月28日First Firefox 18.0 Nightly build. Adds a Metro user interface on Windows 8.
18.0a2Firefox 18.0 Aurora2012年10月9日First Firefox 18.0 Aurora build.
18.0b1Firefox 18.0 Beta 12012年11月20日First Firefox 18.0 Beta release.
18.0b7Firefox 18.0 Beta 72012年11月26日Seventh Firefox 18.0 Beta release.[272]
18.0Firefox 18.02013年1月8日Official Firefox 18.0 release.[273]
Firefox 1919.019.0a1Firefox 19.0 Nightly2012年10月9日First Firefox 19.0 Nightly build.
19.0a2Firefox 19.0 Aurora2012年11月20日First Firefox 19.0 Aurora build.
19.0b1Firefox 19.0 Beta 12013年1月8日First Firefox 19.0 Beta release.[274]
19.0Firefox 19.02013年2月19日Official Firefox 19.0 release.
Firefox 2020.020.0a1Firefox 20.0 Nightly2012年11月20日First Firefox 20.0 Nightly build.
20.0a2Firefox 20.0 Aurora2013年1月8日First Firefox 20.0 Aurora build.[274]
20.0b1Firefox 20.0 Beta 12013年2月19日First Firefox 20.0 Beta release.
20.0Firefox 20.02013年3月26日Official Firefox 20.0 release.
Firefox 2121.021.0a1Firefox 21.0 Nightly2013年1月8日第一个 Firefox 21.0 每夜版.[274]
21.0a2Firefox 21.0 Aurora2013年2月19日第一个 Firefox 21.0 Aurora 版本.
21.0b1Firefox 21.0 Beta 12013年3月26日第一个 Firefox 21.0 Beta 版本.
21.0Firefox 21.02013年5月7日Official Firefox 21.0 release.
Firefox 2222.022.0a1Firefox 22.0 NightlyFebruary 23, 2013First Firefox 22.0 Nightly build.[301]
22.0a2Firefox 22.0 AuroraApril 2, 2013First Firefox 22.0 Aurora build.[302]
22.0b1Firefox 22.0 Beta 1May 14, 2013First Firefox 22.0 Beta release.[303]
22.0Firefox 22.0June 25, 2013Official Firefox 22.0 release.[304] [305] End-of-life 22.0.x product line on August 6, 2013.
Firefox 2323.023.0a1Firefox 23.0 NightlyApril 2, 2013First Firefox 23.0 Nightly build.[306]
23.0a2Firefox 23.0 AuroraMay 14, 2013First Firefox 23.0 Aurora build.[307]
23.0b1Firefox 23.0 Beta 1June 25, 2013First Firefox 23.0 Beta release.[308]
23.0Firefox 23.0August 6, 2013Official Firefox 23.0 release.[309] End-of-life 23.0.x product line on September 17, 2013.
Firefox 2424.024.0a1Firefox 24.0 NightlyMay 14, 2013First Firefox 24.0 Nightly build.[310]
24.0a2Firefox 24.0 AuroraJune 25, 2013First Firefox 24.0 Aurora build.[311]
24.0b1Firefox 24.0 Beta 1August 6, 2013First Firefox 24.0 Beta release.[312]
24.0Firefox 24.0September 17, 2013Official Firefox 24.0 release.[313] End-of-life 24.0.x product line on October 29, 2013.
Firefox 2525.025.0a1Firefox 25.0 NightlyJune 25, 2013First Firefox 25.0 Nightly build.[314]
25.0a2Firefox 25.0 AuroraAugust 6, 2013First Firefox 25.0 Aurora build.[315]
25.0b1Firefox 25.0 Beta 1September 17, 2013First Firefox 25.0 Beta release.[316]
25.0Firefox 25.0October 29, 2013Official Firefox 25.0 release.[317] End-of-life 25.0.x product line on December 10, 2013.
Firefox 2626.026.0a1Firefox 26.0 NightlyAugust 6, 2013First Firefox 26.0 Nightly build.[318]
26.0a2Firefox 26.0 AuroraSeptember 17, 2013First Firefox 26.0 Aurora build.[319]
26.0b1Firefox 26.0 Beta 1October 29, 2013First Firefox 26.0 Beta Release.[320]
26.0Firefox 26.0December 10, 2013Official Firefox 26.0 release.[321] End-of-life 26.0.x product line on January 21, 2014.
Firefox 2727.027.0a1Firefox 27.0 NightlySeptember 17, 2013First Firefox 27.0 Nightly build.[322]
27.0a2Firefox 27.0 AuroraOctober 29, 2013First Firefox 27.0 Aurora build.[323]
27.0b1Firefox 27.0 Beta 1December 10, 2013First Firefox 27.0 Beta release.[324]
27.0Firefox 27.0January 21, 2014Official Firefox 27.0 release.[325] End-of-life 27.0.x product line on March 3, 2014.
Firefox 2828.028.0a1Firefox 28.0 NightlyOctober 29, 2013First Firefox 28.0 Nightly build.[326]
28.0a2Firefox 28.0 AuroraDecember 10, 2013First Firefox 28.0 Aurora build.[327]
28.0b1Firefox 28.0 Beta 1January 21, 2014First Firefox 28.0 Beta release.[328]
28.0Firefox 28.0March 3, 2014Official Firefox 28.0 release.[329]
Firefox 2929.029.0a1Firefox 29.0 NightlyDecember 10, 2013First Firefox 29.0 Nightly build.[330]
29.0a2Firefox 29.0 AuroraJanuary 21, 2014First Firefox 29.0 Aurora build.[331]
29.0b1Firefox 29.0 Beta 1March 3, 2014First Firefox 29.0 Beta release.[332]
Firefox 3030.030.0a1Firefox 30.0 NightlyJanuary 21, 2014First Firefox 30.0 Nightly build.[333]
30.0a2Firefox 30.0 AuroraMarch 3, 2014First Firefox 30.0 Aurora build.[334]
Firefox 3131.031.0a1Firefox 31.0 NightlyMarch 3, 2014First Firefox 31.0 Nightly build.[335]