<P> End - of - life 9.0. x product line on January 31, 2012 . </P> <Table> <Tr> <Td> </Td> <Td> Former release </Td> <Td> </Td> <Td> Former test release </Td> <Td> </Td> <Td> Former release--still supported </Td> <Td> </Td> <Td> Current supported official release </Td> <Td> </Td> <Td> Current supported test release </Td> <Td> </Td> <Td> Future official release </Td> <Td> </Td> <Td> Future test release </Td> <Td> Top </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Former release </Td> <Td> </Td> <Td> Former test release </Td> <Td> </Td> <Td> Former release--still supported </Td> <Td> </Td> <Td> Current supported official release </Td> <Td> </Td> <Td> Current supported test release </Td> <Td> </Td> <Td> Future official release </Td> <Td> </Td> <Td> Future test release </Td> <Td> Top </Td> </Tr> <Table> Release history <Tr> <Th> Browser name </Th> <Th> Version </Th> <Th> Codename </Th> <Th> Release date </Th> <Th> Release type and highlights </Th> </Tr> <Tr> <Td> Firefox 10 </Td> <Td> 10.0 a1 </Td> <Td> Firefox 10.0 Nightly </Td> <Td> September 28, 2011 </Td> <Td> First Firefox 10.0 Nightly build . </Td> </Tr> <Tr> <Td> 10.0 a2 </Td> <Td> Firefox 10.0 Aurora </Td> <Td> November 9, 2011 </Td> <Td> First Firefox 10.0 Aurora build . </Td> </Tr> <Tr> <Td> 10.0 b1 </Td> <Td> Firefox 10.0 Beta 1 </Td> <Td> December 22, 2011 </Td> <Td> First Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 b2 </Td> <Td> Firefox 10.0 Beta 2 </Td> <Td> December 28, 2011 </Td> <Td> Second Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 b3 </Td> <Td> Firefox 10.0 Beta 3 </Td> <Td> January 4, 2012 </Td> <Td> Third Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 b4 </Td> <Td> Firefox 10.0 Beta 4 </Td> <Td> January 13, 2012 </Td> <Td> Fourth Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 b5 </Td> <Td> Firefox 10.0 Beta 5 </Td> <Td> January 20, 2012 </Td> <Td> Fifth Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 b6 </Td> <Td> Firefox 10.0 Beta 6 </Td> <Td> January 26, 2012 </Td> <Td> Sixth Firefox 10.0 Beta release . </Td> </Tr> <Tr> <Td> 10.0 </Td> <Td> Firefox 10.0 </Td> <Td> January 31, 2012 </Td> <Td> Official Firefox 10.0 release . First Extended Support Release (ESR). <Ul> <Li> Most add - ons are now compatible with new versions of Firefox by default . </Li> <Li> Anti-Aliasing for WebGL is now implemented . </Li> <Li> CSS3 3D - Transforms are now supported . </Li> <Li> New <bdi> element for bi-directional text isolation, along with supporting CSS properties . </Li> <Li> Full Screen APIs allow you to build a web application that runs full screen . </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 1 </Td> <Td> Firefox 10.0. 1 </Td> <Td> February 10, 2012 </Td> <Td> Off - cycle security and stability update . </Td> </Tr> <Tr> <Td> 10.0. 2 </Td> <Td> Firefox 10.0. 2 </Td> <Td> February 16, 2012 </Td> <Td> Off - cycle security and stability update . <Ul> <Li> Fixed Java applets that sometimes caused text input to become unresponsive . </Li> </Ul> <P> End - of - life 10.0. x product line on March 13, 2012 . </P> </Td> </Tr> <Tr> <Td> 10.0. 3esr </Td> <Td> Firefox 10.0. 3esr </Td> <Td> March 13, 2012 </Td> <Td> Regular security and stability update . <Ul> <Li> Security fixes </Li> <Li> Fixed web workers running out of memory, affecting some add - ons used by organizations . </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 4esr </Td> <Td> Firefox 10.0. 4esr </Td> <Td> April 24, 2012 </Td> <Td> Regular security and stability update . <Ul> <Li> Fixed an issue in Firefox ESR 10.0. 3 that caused the "Whats New" page to open after an update . </Li> <Li> Fixed extensions. checkCompatibility. * prefs not working in ESR releases . </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 5esr </Td> <Td> Firefox 10.0. 5esr </Td> <Td> June 5, 2012 </Td> <Td> Regular security and stability update . <Ul> <Li> Fixed the 10.0. 5 Firefox top crash with signature (@ GLEngine@0x620cf). </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 6esr </Td> <Td> Firefox 10.0. 6esr </Td> <Td> July 17, 2012 </Td> <Td> Regular security and stability update . <Ul> <Li> Fixed some text editing inconsistencies . </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 7esr </Td> <Td> Firefox 10.0. 7esr </Td> <Td> August 28, 2012 </Td> <Td> Regular security and stability update . <Ul> <Li> Fixed contenteditable breaks in 10.0. 7 that middle - click to open links . </Li> <Li> Addressed a fix that allows specifying wildcard that matches all simple netbiosnames in network. automatic - ntlm - auth. trusted - uris . </Li> </Ul> </Td> </Tr> <Tr> <Td> 10.0. 8esr </Td> <Td> Firefox 10.0. 8esr </Td> <Td> October 9, 2012 </Td> <Td> Regular security and stability update . </Td> </Tr> <Tr> <Td> 10.0. 9esr </Td> <Td> Firefox 10.0. 9esr </Td> <Td> October 12, 2012 </Td> <Td> Off - cycle security update . </Td> </Tr> <Tr> <Td> 10.0. 10esr </Td> <Td> Firefox 10.0. 10esr </Td> <Td> October 26, 2012 </Td> <Td> Off - cycle security update . </Td> </Tr> <Tr> <Td> 10.0. 11esr </Td> <Td> Firefox 10.0. 11esr </Td> <Td> November 20, 2012 </Td> <Td> Off - cycle security update . </Td> </Tr> <Tr> <Td> 10.0. 12esr </Td> <Td> Firefox 10.0. 12esr </Td> <Td> January 8, 2013 </Td> <Td> Regular security update . End - of - life 10.0. x ESR product line on February 12, 2013 . </Td> </Tr> <Tr> <Td> Firefox 11 </Td> <Td> 11.0 a1 </Td> <Td> Firefox 11.0 Nightly </Td> <Td> November 9, 2011 </Td> <Td> First Firefox 11.0 Nightly build . </Td> </Tr> <Tr> <Td> 11.0 a2 </Td> <Td> Firefox 11.0 Aurora </Td> <Td> December 21, 2011 </Td> <Td> First Firefox 11.0 Aurora build . </Td> </Tr> <Tr> <Td> 11.0 b1 </Td> <Td> Firefox 11.0 Beta 1 </Td> <Td> February 3, 2012 </Td> <Td> First Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b2 </Td> <Td> Firefox 11.0 Beta 2 </Td> <Td> February 10, 2012 </Td> <Td> Second Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b3 </Td> <Td> Firefox 11.0 Beta 3 </Td> <Td> February 17, 2012 </Td> <Td> Third Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b4 </Td> <Td> Firefox 11.0 Beta 4 </Td> <Td> February 24, 2012 </Td> <Td> Fourth Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b5 </Td> <Td> Firefox 11.0 Beta 5 </Td> <Td> March 2, 2012 </Td> <Td> Fifth Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b6 </Td> <Td> Firefox 11.0 Beta 6 </Td> <Td> March 9, 2012 </Td> <Td> Sixth Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b7 </Td> <Td> Firefox 11.0 Beta 7 </Td> <Td> March 9, 2012 </Td> <Td> Seventh Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 b8 </Td> <Td> Firefox 11.0 Beta 8 </Td> <Td> March 11, 2012 </Td> <Td> Eighth Firefox 11.0 Beta release . </Td> </Tr> <Tr> <Td> 11.0 </Td> <Td> Firefox 11.0 </Td> <Td> March 13, 2012 </Td> <Td> Official Firefox 11.0 release . <Ul> <Li> Migration of settings from Google Chrome . </Li> <Li> SPDY protocol support (disabled by default). </Li> <Li> RFC 6455 WebSocket protocol support with an unprefixed API . </Li> <Li> Page Inspector Tilt (3D View). </Li> <Li> Sync Add - ons . </Li> <Li> Redesigned HTML5 video controls . </Li> <Li> Style Editor (CSS). </Li> </Ul> <P> End - of - life 11.0. x product line on April 24, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 12 </Td> <Td> 12.0 a1 </Td> <Td> Firefox 12.0 Nightly </Td> <Td> December 20, 2011 </Td> <Td> First Firefox 12.0 Nightly build . </Td> </Tr> <Tr> <Td> 12.0 a2 </Td> <Td> Firefox 12.0 Aurora </Td> <Td> February 2, 2012 </Td> <Td> First Firefox 12.0 Aurora build . </Td> </Tr> <Tr> <Td> 12.0 b1 </Td> <Td> Firefox 12.0 Beta 1 </Td> <Td> March 16, 2012 </Td> <Td> First Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 b2 </Td> <Td> Firefox 12.0 Beta 2 </Td> <Td> March 22, 2012 </Td> <Td> Second Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 b3 </Td> <Td> Firefox 12.0 Beta 3 </Td> <Td> March 30, 2012 </Td> <Td> Third Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 b4 </Td> <Td> Firefox 12.0 Beta 4 </Td> <Td> April 5, 2012 </Td> <Td> Fourth Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 b5 </Td> <Td> Firefox 12.0 Beta 5 </Td> <Td> April 16, 2012 </Td> <Td> Fifth Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 b6 </Td> <Td> Firefox 12.0 Beta 6 </Td> <Td> April 18, 2012 </Td> <Td> Sixth Firefox 12.0 Beta release . </Td> </Tr> <Tr> <Td> 12.0 </Td> <Td> Firefox 12.0 </Td> <Td> April 24, 2012 </Td> <Td> Official Firefox 12.0 release . <Ul> <Li> Windows: Firefox is now easier to update with one less prompt (User Account Control). </Li> <Li> Last release for Windows 2000 . </Li> <Li> Reintroduced on - demand loading of pinned tabs after restoring a session . </Li> <Li> Page Source now has line numbers . </Li> <Li> Line breaks are now supported in the title attribute . </Li> <Li> Improvements to "Find in Page" to center search result . </Li> <Li> URLs pasted into the download manager window are now automatically downloaded . </Li> <Li> Support for the text - align - last CSS property has been added . </Li> <Li> Experimental support for ECMAScript 6 Map and Set objects has been implemented . </Li> <Li> Some TinyMCE - based editors failed to load . </Li> <Li> OS X: WebGL performance may be degraded on some hardware . </Li> </Ul> <P> End - of - life 12.0. x product line on June 5, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 13 </Td> <Td> 13.0 a1 </Td> <Td> Firefox 13.0 Nightly </Td> <Td> February 1, 2012 </Td> <Td> First Firefox 13.0 Nightly build . </Td> </Tr> <Tr> <Td> 13.0 a2 </Td> <Td> Firefox 13.0 Aurora </Td> <Td> March 19, 2012 </Td> <Td> First Firefox 13.0 Aurora build . </Td> </Tr> <Tr> <Td> 13.0 b1 </Td> <Td> Firefox 13.0 Beta 1 </Td> <Td> April 26, 2012 </Td> <Td> First Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b2 </Td> <Td> Firefox 13.0 Beta 2 </Td> <Td> May 3, 2012 </Td> <Td> Second Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b3 </Td> <Td> Firefox 13.0 Beta 3 </Td> <Td> May 15, 2012 </Td> <Td> Third Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b4 </Td> <Td> Firefox 13.0 Beta 4 </Td> <Td> May 17, 2012 </Td> <Td> Fourth Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b5 </Td> <Td> Firefox 13.0 Beta 5 </Td> <Td> May 25, 2012 </Td> <Td> Fifth Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b6 </Td> <Td> Firefox 13.0 Beta 6 </Td> <Td> May 30, 2012 </Td> <Td> Sixth Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 b7 </Td> <Td> Firefox 13.0 Beta 7 </Td> <Td> June 1, 2012 </Td> <Td> Seventh Firefox 13.0 Beta release . </Td> </Tr> <Tr> <Td> 13.0 </Td> <Td> Firefox 13.0 </Td> <Td> June 5, 2012 </Td> <Td> Official Firefox 13.0 release . <Ul> <Li> When opening a new tab, users are now presented with their most visited pages . </Li> <Li> The default home page now has quicker access to bookmarks, history, settings, and more . </Li> <Li> SPDY protocol now enabled by default for faster browsing on supported sites . </Li> <Li> Restored background tabs are not loaded by default for faster startup . </Li> <Li> Smooth scrolling is now enabled by default . </Li> <Li> 72 total improvements to Page Inspector, HTML panel, Style Inspector, Scratchpad and Style Editor . </Li> <Li> The column - fill CSS property has been implemented . </Li> <Li> Experimental support for ECMAScript 6 Map and Set objects has been implemented . </Li> <Li> Support for the CSS3 background - position property extended syntax has been added . </Li> <Li> The: invalid pseudo-class can now be applied to the element . </Li> <Li> The CSS turn angle unit is now supported . </Li> </Ul> </Td> </Tr> <Tr> <Td> 13.0. 1 </Td> <Td> Firefox 13.0. 1 </Td> <Td> June 15, 2012 </Td> <Td> Off - cycle security and stability update . <Ul> <Li> Fixed an issue when Windows Messenger did not load in Hotmail, and the Hotmail inbox did not auto - update . </Li> <Li> Fixed the Hebrew text that was sometimes rendered incorrectly . </Li> <Li> Fixed an issue in Adobe Flash 11.3 that sometimes caused a crash on quit . </Li> </Ul> <P> End - of - life 13.0. x product line on July 17, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 14 </Td> <Td> 14.0 a1 </Td> <Td> Firefox 14.0 Nightly </Td> <Td> March 14, 2012 </Td> <Td> First Firefox 14.0 Nightly build . </Td> </Tr> <Tr> <Td> 14.0 a2 </Td> <Td> Firefox 14.0 Aurora </Td> <Td> April 27, 2012 </Td> <Td> First Firefox 14.0 Aurora build . </Td> </Tr> <Tr> <Td> 14.0 b6 </Td> <Td> Firefox 14.0 Beta 6 </Td> <Td> June 7, 2012 </Td> <Td> First Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b7 </Td> <Td> Firefox 14.0 Beta 7 </Td> <Td> June 14, 2012 </Td> <Td> Second Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b8 </Td> <Td> Firefox 14.0 Beta 8 </Td> <Td> June 22, 2012 </Td> <Td> Third Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b9 </Td> <Td> Firefox 14.0 Beta 9 </Td> <Td> June 25, 2012 </Td> <Td> Fourth Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b10 </Td> <Td> Firefox 14.0 Beta 10 </Td> <Td> July 2, 2012 </Td> <Td> Fifth Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b11 </Td> <Td> Firefox 14.0 Beta 11 </Td> <Td> July 6, 2012 </Td> <Td> Sixth Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 b12 </Td> <Td> Firefox 14.0 Beta 12 </Td> <Td> July 11, 2012 </Td> <Td> Seventh Firefox 14.0 Beta release . </Td> </Tr> <Tr> <Td> 14.0 </Td> <Td> Firefox 14.0 </Td> <Td> June 26, 2012 </Td> <Td> Android <P> Official Firefox Mobile 14.0 release . </P> <Ul> <Li> Google searches now utilize HTTPS . </Li> <Li> Full screen support for Mac OS X Lion implemented . </Li> <Li> Plugins can now be configured to only load on click (about: config). </Li> <Li> The Awesome Bar now auto - completes typed URLs . </Li> <Li> Improved site identity manager, to prevent spoofing of an SSL connection with favicons . </Li> <Li> Pointer Lock API implemented . </Li> <Li> New API to prevent your display from sleeping . </Li> <Li> New text - transform and font - variant CSS improvements for Turkic languages and Greek . </Li> <Li> Long URLs now extend the status bar almost to the whole width of the viewport . </Li> <Li> Gstreamer backend for HTML5 video to allow H. 264 playback (needs to be enabled at compile time). </Li> </Ul> </Td> </Tr> <Tr> <Td> 14.0. 1 </Td> <Td> Firefox 14.0. 1 </Td> <Td> July 17, 2012 </Td> <Td> Desktop <P> Official Firefox Desktop 14.0 release . </P> <Ul> <Li> Fixed the GIF animation that can get stuck when src and image size are changed . </Li> <Li> Mac OS X: Fixed the nsCocoaWindow:: ConstrainPosition that uses wrong screen in multi-display setup . </Li> <Li> Fixed the CSS: hover regression when an element's class name is set by JavaScript . </Li> </Ul> <P> End - of - life 14.0. x product line on August 28, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 15 </Td> <Td> 15.0 a1 </Td> <Td> Firefox 15.0 Nightly </Td> <Td> April 25, 2012 </Td> <Td> First Firefox 15.0 Nightly build . </Td> </Tr> <Tr> <Td> 15.0 a2 </Td> <Td> Firefox 15.0 Aurora </Td> <Td> June 5, 2012 </Td> <Td> First Firefox 15.0 Aurora build . </Td> </Tr> <Tr> <Td> 15.0 b1 </Td> <Td> Firefox 15.0 Beta 1 </Td> <Td> July 19, 2012 </Td> <Td> First Firefox 15.0 Beta release . </Td> </Tr> <Tr> <Td> 15.0 </Td> <Td> Firefox 15.0 </Td> <Td> August 28, 2012 </Td> <Td> Official Firefox 15.0 release . <Ul> <Li> Silent update: Background updates . </Li> <Li> Support for SPDY networking protocol v3 . </Li> <Li> WebGL enhancements, including compressed textures for better performance . </Li> <Li> Localization in Maithili . </Li> <Li> Optimized memory usage for add - ons . </Li> <Li> JavaScript debugger integrated into developer tools . </Li> <Li> New layout view added to Inspector . </Li> <Li> High precision event timer implemented . </Li> <Li> The CSS word - break property has been implemented . </Li> <Li> New responsive design tool allows web developers to switch between desktop and mobile views of sites . </Li> <Li> Native support for the Opus audio format added . </Li> <Li> The <audio> and <video> elements now support the played attribute . </Li> <Li> The source element now supports the media attribute . </Li> <Li> Fixed the focus rings that keep growing when repeatedly tabbing through elements . </Li> </Ul> </Td> </Tr> <Tr> <Td> 15.0. 1 </Td> <Td> Firefox 15.0. 1 </Td> <Td> September 6, 2012 </Td> <Td> Off - cycle stability update . <Ul> <Li> Addressed a fix where sites visited while in Private Browsing mode could be found through manual browser cache inspection . </Li> </Ul> <P> End - of - life 15.0. x product line on October 9, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 16 </Td> <Td> 16.0 a1 </Td> <Td> Firefox 16.0 Nightly </Td> <Td> June 5, 2012 </Td> <Td> First Firefox 16.0 Nightly build . </Td> </Tr> <Tr> <Td> 16.0 a2 </Td> <Td> Firefox 16.0 Aurora </Td> <Td> July 17, 2012 </Td> <Td> First Firefox 16.0 Aurora build . </Td> </Tr> <Tr> <Td> 16.0 b1 </Td> <Td> Firefox 16.0 Beta 1 </Td> <Td> August 30, 2012 </Td> <Td> First Firefox 16.0 Beta release . </Td> </Tr> <Tr> <Td> 16.0 </Td> <Td> Firefox 16.0 </Td> <Td> October 9, 2012 </Td> <Td> Official Firefox 16.0 release . <Ul> <Li> Firefox on Mac OS X now has preliminary VoiceOver support turned on by default . </Li> <Li> Initial web app support (Windows / Mac / Linux). </Li> <Li> Acholi and Kazakh localizations added . </Li> <Li> Improvements around JavaScript responsiveness through incremental garbage collection . </Li> <Li> 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 . </Li> <Li> CSS3 Animations, Transitions, Transforms and Gradients unprefixed . </Li> <Li> Recently opened files list in Scratchpad implemented . </Li> <Li> Fixed an issue where debugger breakpoints do not catch on page reload . </Li> <Li> No longer supporting MD5 as a hash algorithm in digital signatures . </Li> <Li> Opus support by default . </Li> <Li> Reverse animation direction has been implemented . </Li> <Li> Per tab reporting in about: memory . </Li> <Li> User Agent strings for pre-release Firefox versions now show only major version . </Li> </Ul> </Td> </Tr> <Tr> <Td> 16.0. 1 </Td> <Td> Firefox 16.0. 1 </Td> <Td> October 11, 2012 </Td> <Td> Off - cycle security and stability update . </Td> </Tr> <Tr> <Td> 16.0. 2 </Td> <Td> Firefox 16.0. 2 </Td> <Td> October 26, 2012 </Td> <Td> Off - cycle security and stability update . <Ul> <Li> Last release for Mac OS X Leopard (Intel) </Li> </Ul> <P> End - of - life 16.0. x product line on November 20, 2012 . </P> </Td> </Tr> <Tr> <Td> Firefox 17 </Td> <Td> 17.0 a1 </Td> <Td> Firefox 17.0 Nightly </Td> <Td> July 17, 2012 </Td> <Td> First Firefox 17.0 Nightly build . </Td> </Tr> <Tr> <Td> 17.0 a2 </Td> <Td> Firefox 17.0 Aurora </Td> <Td> August 28, 2012 </Td> <Td> First Firefox 17.0 Aurora build . </Td> </Tr> <Tr> <Td> 17.0 b1 </Td> <Td> Firefox 17.0 Beta 1 </Td> <Td> October 9, 2012 </Td> <Td> First Firefox 17.0 Beta release . </Td> </Tr> <Tr> <Td> 17.0 b6 </Td> <Td> Firefox 17.0 Beta 6 </Td> <Td> October 11, 2012 </Td> <Td> Second Firefox 17.0 Beta release . </Td> </Tr> <Tr> <Td> 17.0 </Td> <Td> Firefox 17.0 </Td> <Td> November 20, 2012 </Td> <Td> Official Firefox 17.0 release . <Ul> <Li> First revision of the Social API and support for Facebook Messenger . </Li> <Li> Click - to - play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission . </Li> <Li> Updated Awesome Bar experience with larger icons . </Li> <Li> Mac OS X 10.5 is no longer supported . </Li> <Li> JavaScript Maps and Sets are now iterable . </Li> <Li> SVG FillPaint and StrokePaint implemented . </Li> <Li> Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use . </Li> <Li> New Markup panel in the Page Inspector allows easy editing of the DOM . </Li> <Li> Sandbox attribute for iframes implemented, enabling increased security . </Li> <Li> Over twenty performance improvements, including fixes around the New Tab page . </Li> <Li> Fixed pointer lock that doesn't work in web apps . </Li> <Li> Fixed page scrolling on sites with fixed headers . </Li> </Ul> </Td> </Tr> <Tr> <Td> 17.0 esr </Td> <Td> Firefox 17.0 esr </Td> <Td> November 20, 2012 </Td> <Td> Official Firefox 17.0 Extended Support Release (ESR). </Td> </Tr> <Tr> <Td> 17.0. 1 </Td> <Td> Firefox 17.0. 1 </Td> <Td> November 30, 2012 </Td> <Td> Off - cycle stability update . <Ul> <Li> Reverted user agent change causing some website incompatibilities . </Li> <Li> Fixed font rendering issue . </Li> </Ul> <P> End - of - life 17.0. x product line on January 8, 2013 . </P> </Td> </Tr> <Tr> <Td> 17.0. 1esr </Td> <Td> Firefox 17.0. 1esr </Td> <Td> November 30, 2012 </Td> <Td> Off - cycle stability update . </Td> </Tr> <Tr> <Td> 17.0. 2esr </Td> <Td> Firefox 17.0. 2esr </Td> <Td> January 8, 2013 </Td> <Td> Regular security and stability updates . <Ul> <Li> Fixed improvements to the Click - to - Play vulnerable plugin blocklisting feature . </Li> </Ul> </Td> </Tr> <Tr> <Td> 17.0. 3esr </Td> <Td> Firefox 17.0. 3esr </Td> <Td> February 19, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 4esr </Td> <Td> Firefox 17.0. 4esr </Td> <Td> March 7, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 5esr </Td> <Td> Firefox 17.0. 5esr </Td> <Td> April 2, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 6esr </Td> <Td> Firefox 17.0. 6esr </Td> <Td> May 10, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 7esr </Td> <Td> Firefox 17.0. 7esr </Td> <Td> June 25, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 8esr </Td> <Td> Firefox 17.0. 8esr </Td> <Td> August 6, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 9esr </Td> <Td> Firefox 17.0. 9esr </Td> <Td> September 17, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 10esr </Td> <Td> Firefox 17.0. 10esr </Td> <Td> October 29, 2013 </Td> <Td> Regular security update . </Td> </Tr> <Tr> <Td> 17.0. 11esr </Td> <Td> Firefox 17.0. 11esr </Td> <Td> November 15, 2013 </Td> <Td> Off - cycle stability update . <Ul> <Li> Updated ESR17 to NSS 3.14. 5 RTM . </Li> </Ul> <P> End - of - life 17.0. x ESR product line on December 3, 2013 . </P> </Td> </Tr> <Tr> <Td> Firefox 18 </Td> <Td> 18.0 a1 </Td> <Td> Firefox 18.0 Nightly </Td> <Td> August 28, 2012 </Td> <Td> First Firefox 18.0 Nightly build . <Ul> <Li> Adds a Metro user interface on Windows 8 . </Li> </Ul> </Td> </Tr> <Tr> <Td> 18.0 a2 </Td> <Td> Firefox 18.0 Aurora </Td> <Td> October 9, 2012 </Td> <Td> First Firefox 18.0 Aurora build . </Td> </Tr> <Tr> <Td> 18.0 b1 </Td> <Td> Firefox 18.0 Beta 1 </Td> <Td> November 20, 2012 </Td> <Td> First Firefox 18.0 Beta release . </Td> </Tr> <Tr> <Td> 18.0 b7 </Td> <Td> Firefox 18.0 Beta 7 </Td> <Td> November 26, 2012 </Td> <Td> Seventh Firefox 18.0 Beta release . </Td> </Tr> <Tr> <Td> 18.0 </Td> <Td> Firefox 18.0 </Td> <Td> January 8, 2013 </Td> <Td> Official Firefox 18.0 release . <Ul> <Li> Faster JavaScript performance via IonMonkey compiler . </Li> <Li> Support for Retina displays on OS X 10.7 and up . </Li> <Li> Preliminary support for WebRTC . </Li> <Li> Better image quality with Mozilla's new HTML scaling algorithm . </Li> <Li> Performance improvements around tab switching . </Li> <Li> Support for new DOM property window. devicePixelRatio . </Li> <Li> Improvement in startup time through smart handling of signed extension certificates . </Li> <Li> Support for W3C touch events implemented, taking the place of MozTouch events . </Li> <Li> Disable insecure content loading on HTTPS pages . </Li> <Li> Improved responsiveness for users on proxies . </Li> </Ul> </Td> </Tr> <Tr> <Td> 18.0. 1 </Td> <Td> Firefox 18.0. 1 </Td> <Td> January 18, 2013 </Td> <Td> Off - cycle stability update . <Ul> <Li> Fixed problems involving HTTP Proxy Transactions . </Li> <Li> Fixed unity player crashes on Mac OS X . </Li> <Li> Disabled HIDPI support on external monitors to avoid rendering glitches . </Li> </Ul> </Td> </Tr> <Tr> <Td> 18.0. 2 </Td> <Td> Firefox 18.0. 2 </Td> <Td> February 5, 2013 </Td> <Td> Off - cycle stability update . End - of - life 18.0. x product line on February 19, 2013 . </Td> </Tr> <Tr> <Td> Firefox 19 </Td> <Td> 19.0 a1 </Td> <Td> Firefox 19.0 Nightly </Td> <Td> October 9, 2012 </Td> <Td> First Firefox 19.0 Nightly build . </Td> </Tr> <Tr> <Td> 19.0 a2 </Td> <Td> Firefox 19.0 Aurora </Td> <Td> November 20, 2012 </Td> <Td> First Firefox 19.0 Aurora build . </Td> </Tr> <Tr> <Td> 19.0 b1 </Td> <Td> Firefox 19.0 Beta 1 </Td> <Td> January 8, 2013 </Td> <Td> First Firefox 19.0 Beta release . </Td> </Tr> <Tr> <Td> 19.0 b6 </Td> <Td> Firefox 19.0 Beta 6 </Td> <Td> January 10, 2013 </Td> <Td> Sixth Firefox 19.0 Beta release . </Td> </Tr> <Tr> <Td> 19.0 </Td> <Td> Firefox 19.0 </Td> <Td> February 19, 2013 </Td> <Td> Official Firefox 19.0 release . <Ul> <Li> Built - in PDF Viewer . </Li> <Li> Canvas elements can export their content as an image blob using canvas. toBlob (). </Li> <Li> Startup performance improvements . </Li> <Li> Debugger now supports pausing on exceptions and hiding non-enumerable properties . </Li> <Li> Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools. debugger. remote - enabled to true). </Li> <Li> There is now a Browser Debugger available for add - on and browser developers (experimental, set devtools. chrome. enabled to true). </Li> <Li> Web Console CSS links now open in the Style Editor . </Li> <Li> CSS @ page is now supported . </Li> <Li> CSS viewport - percentage length units implemented (vh, vw, vmin and vmax). </Li> <Li> CSS text - transform now supports full - width . </Li> <Li> Fixed certain valid WebGL drawing operations that were incorrectly rejected, leaving incomplete rendering in affected pages . </Li> <Li> Fixed an issue that starting Firefox with - private flag incorrectly claims you are not in Private Browsing mode . </Li> <Li> Fixed plugins that stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode . </Li> </Ul> </Td> </Tr> <Tr> <Td> 19.0. 1 </Td> <Td> Firefox 19.0. 1 </Td> <Td> February 27, 2013 </Td> <Td> Off - cycle stability update . <Ul> <Li> Windows 8 only: Fixed stability issue for some AMD Radeon HD graphics cards . </Li> </Ul> </Td> </Tr> <Tr> <Td> 19.0. 2 </Td> <Td> Firefox 19.0. 2 </Td> <Td> March 7, 2013 </Td> <Td> Off - cycle security update . <Ul> <Li> Last release for Android 2.1 </Li> </Ul> <P> End - of - life 19.0. x product line on April 2, 2013 . </P> </Td> </Tr> </Table>

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