Template:Firefox release history english

Release history
Version	Release date	Gecko version	Release notes
0.1	2002-09-23	1.2	First release
0.2	2002-10-01		Web form auto-complete Sidebar is back Downloads Sidebar Bookmarks Sidebar History Sidebar Extension management Toolbar customization Search bar Improved preference defaults Speed improvements Ctrl+Mousewheel to resize fonts Bug fixes
0.3	2002-10-14		Image Blocking Pop-up Blocking Whitelist Bookmarks Changes Global Go Menu and Other Menu Changes Tabbed Browsing Improvements Size and Speed Improvements Bug fixes
0.4	2002-10-19	1.3	Improvements to pop-up blocking Improvements to toolbar customization Improvements to tabbed browsing and shortcut keys Type ahead find returns Address bar gets smarter Themes Bug fixes
0.5	2002-12-07		Multiple homepages Intellimouse 5-button support Sidebar remembers its state across sessions Download fixes History improvements Accessibility improvements Size and memory reduction Performance improvements Stability improvements Better Windows appearance Many more new themes Many bug fixes
0.6	2003-05-17	1.5	New default theme Redesigned Preferences window Improved Privacy Options Improved Bookmarks Talkback enabled to tell Mozilla why the browser crashed Automatic Image Resizing Smooth Scrolling Access to more preferences through about:config Custom profile save location Mac OS X compatibility Lots of bug fixes
0.7	2003-10-15		Advanced preferences panel Download/helper apps preferences panel Cookie whitelisting New password manager (all passwords now stored encrypted) Web panels (like Mozilla's sidebar panels) Alternate stylesheet support (through a status bar button) Send Page, Send Link, and Send Image menu items Autoscroll Lots of bug fixes and other small improvements
0.8	2004-02-09	1.6	Windows Installer Download Manager New Add Bookmark Dialog Work Offline Better Handling of File Types New XPInstall Frontend New default theme for Mac OS X Lots of bug fixes and improvements
0.9	2004-05-15	1.7	New Default Theme Comprehensive Data Migration from Internet Explorer Extension/Theme Manager Smaller Download Online help system Lots of bug fixes and improvements
1.0	2004-11-09		Better Tabbed Browsing Controls Horde of bug fixes
1.0.8	2006-04-13		Security fixes Bug fixes Stability fixes
1.5	2005-11-29	1.8	Dropped support for Mac OS X v10.1, minimum is now Mac OS X v10.2 Private data clear data Back and forward now fast Improved web standards Improved HTML Improved CSS Improved HTTP Improved JavaScript/DOM SVG compatibility Huge amount of bug fixes
1.5.0.12	2007-05-30		Bug fixes Stability fixes Security fixes
2.0	2006-10-24	1.8.1	Visual Refresh of main theme Built-in phishing protection Enhanced search capabilities Improved tabbed browsing Resuming your browsing session (session restore) Previewing and subscribing to Web feeds Inline spell checking Live Web Titles Improved Add-ons manager JavaScript 1.7 Extended search plugin format (predictive search) Improved security with extension system Client-side session and persistent storage SVG text support New Windows installer
2.0.0.20	2008-12-18		Bug fixes Security fixes Stability fixes
3.0	2008-06-17	1.9	One-click site info Malware Protection New Web Forgery Protection page New SSL error pages Add-ons and Plugin version check Secure add-on updates Anti-virus integration with download manager Vista Parental Controls Effective top-level domain (eTLD) service better restricts cookies and other restricted content to a single domain. Better protection against cross-site JSON data leaks. Easier password management – save passwords after successful login Simplified add-on installation from 3rd party’s New Download Manager Resumable downloading after closing the browser Full page zoom Podcasts and Videocasts can be associated with your media playback tools Tab scrolling and quickmenu Save what you were doing - Firefox 3 will prompt users to save tabs on exit. Optimized Open in Tabs behavior Location and Search bar size can now be customized with a simple resizer item. Text selection improvements (select multiple selections of text) Find toolbar: the Find toolbar now opens with the current selection. Plugin management with the add-on manager Improved integration with Windows Improved integration with the Mac Integration with Linux GTK theme Bookmark star button Bookmark tags Smart Location Bar Library of bookmarks, history, etc. Smart Bookmark Folders Web-based protocol handlers for mail:to Download & Install Add-ons from the Add-on manager Easy to use Download Actions New graphics and font handling in Gecko 1.9 provide rendering improvements in: CSS SVG Display of fonts with ligatures and complex scripts Color management of images with capabilities Offline support for web applications Improved speed Reduced memory usage Increased reliability 25000 total code changes Security fixes Stability fixes
3.0.19	2010-03-30		Fixed several security problems. Fixed several stability issues.
3.5	2009-06-30	1.9.1	Support for the HTML5 <video> and <audio> elements including native support for Ogg Theora video and Vorbis audio Improved tools for controlling your private data, including a Private Browsing Mode Better web application performance using the new TraceMonkey JavaScript engine The ability to share your location with websites using Location Aware Browsing Support for native JSON, and web worker threads Improvements to the Gecko layout engine, including speculative parsing for faster content rendering Support for new web technologies such as: Downloadable fonts CSS media queries New transformations and properties JavaScript query selectors HTML5 local storage and offline application storage <canvas> text ICC profiles SVG transforms.
3.5.19	2011-04-28		Fixed several security issues Fixed several stability issues
3.6	2010-01-21	1.9.2	Support for Persona themes Protection from out-of-date plugins to keep users safer as they browse. Open, native video can now be displayed full screen and supports poster frames. Improved JavaScript performance, overall browser responsiveness, and startup time. The ability for web developers to indicate that scripts should run asynchronously to speed up page load times. Continued support for downloadable web fonts using the new WOFF font format. Support for new CSS attributes such as gradients, background sizing, and pointer events. Support for new DOM and HTML5 specifications including the Drag & Drop API and the File API, which allow for more interactive web pages. Changes to how third-party software can integrate with Firefox in order to prevent crashes.
3.6.28	2012-03-13		Added Out-of-process plugins Fixed several security issues Fixed several stability issues
4.0	2011-03-22	2.0	Firefox 4 is available in over 80 languages Uses JägerMonkey, a faster JavaScript engine Support for Do Not Track ("DNT") header that allows users to opt-out of behavioral advertising Firefox Sync is included by default Graphic rendering is now hardware-accelerated using Direct3D 9 (Windows XP), Direct3D 10 (Windows Vista & 7), and OpenGL on Mac OS Direct2D Hardware Acceleration is now on by default for Windows 7 users WebGL is enabled on all platforms that have a capable graphics card with updated drivers Native support for the HD HTML5 WebM video format, hardware accelerated where available Firefox button has a new look for Windows Vista and Windows 7 users Tabs are now on top by default on Windows, Mac OS X, and Linux You can search for and switch to already open tabs in the Smart Location Bar The stop and reload buttons have been merged into a single button on Windows, Mac OS X, and Linux The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like) Crash protection when there is a crash in Adobe Flash Player, Apple QuickTime or Microsoft Silverlight plugins You can turn any tab into an "App Tab" The default homepage design has been refreshed 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 Additional polish for the Firefox add-on Manager Improved web typography using OpenType with support for ligatures, kerning and font variants Web developers can animate content using CSS Transitions Responsiveness and scrolling improvements from the new retained layers layout system HTML5 Forms API makes web based forms easier to implement and validate Support for the new proposed Audio Data API Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL A new feature called Panorama gives users a visual overview of all open tabs, allowing them to be sorted and grouped An experimental API is included to provide more efficient Javascript animations Firefox now supports the HTML5 video "buffered" property Changes to how XPCOM components are registered in order to help startup time and process separation New Addons Manager and extension management API Significant API improvements are available for JS-ctypes, a foreign function interface for extensions CSS Transitions are partially supported Core Animation rendering model for plugins on Mac OS X Web developers can update the URL field without reloading the page using HTML History APIs More responsive page rendering using lazy frame construction Link history lookup is done asynchronously to provide better responsiveness during pageload CSS :visited selectors have been changed to block websites from being able to check a user's browsing history New HTML5 parser Support for more HTML5 form controls 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 more efficiently
4.0.1	2011-04-28		Fixed several security issues Fixed several stability issues
5.0	2011-06-21	5.0	Better standards support for HTML5, CSS3, MathML, XHR and SMIL Better visibility for the Do not track header preference Stability and security improvements Better tuned HTTP idle connection logic Improved canvas, JavaScript, memory, and networking performance Improved spell checking for some locales Improved desktop environment integration for Linux users Better WebGL security (WebGL content can no longer load cross-domain textures). Background tabs have setTimeout and setInterval clamped to 1000 ms to improve performance
5.0.1	2011-07-11		Fixed an issue in Mac OS X 10.7 that could cause Firefox to crash Fixed an issue caused by Apple's "Java for Mac OS X 10.6 Update 5" where the Java plugin would not be loaded
6.0	2011-08-16	6.0	about:permissions, a permissions manager. The user can choose what information can be shared with sites, e.g. location. The address bar now highlights the domain of the website you are 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 issues Fixed several security issues
6.0.2	2011-09-06		Revoked the root certificate for DigiNotar due to fraudulent SSL certificate issuance Removed trust exceptions for certificates issued by Staat der Nederlanden Resolved an issue with gov.uk websites
7.0	2011-09-27	7.0	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 Fixed several stability issues Fixed several security issues
7.0.1	2011-09-29		Fixed a rare issue where some users could find one or more of their add-ons hidden after a Firefox update
8.0	2011-11-08	8.0	Add-ons installed by third-party programs are now disabled by default Added a one-time add-on selection dialog to manage previously installed add-ons Added Twitter to the search bar Added a preference to load tabs on demand, improving start-up time when windows are restored Improved performance and memory handling when using <audio> and <video> elements Added Cross-Origin Resource Sharing (CORS) support for cross-domain textures in WebGL Added support for HTML5 context menus Added support for insertAdjacentHTML() Improved CSS hyphen support for many languages Improved WebSocket support Fixed several stability issues
8.0.1	2011-11-21		Fixed Mac OS X crash that occurred in certain instances when a Java Applet is loaded with Java SE 6 version 1.6.0_29 installed. Fixed Windows startup crash caused by RoboForm versions older than 7.6.2.
9.0	2011-12-20	9.0	Added type inference, significantly improving JavaScript performance. Improved theme integration for Mac OS X Lion. Added two finger swipe navigation for Mac OS X Lion. Added support for querying Do Not Track status via JavaScript. Added support for the font-stretch CSS property. Improved support for the text-overflow CSS property. Improved standards support for HTML5, MathML, and CSS. Fixed several stability issues.
9.0.1	2011-12-21		Fixed crash on Windows, Mac and Linux
10.0	2012-01-31	10.0	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 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.
10.0.1	2012-02-10		Security fix.
10.0.2	2012-02-16		Fixed Java applets that sometimes caused text input to become unresponsive.
10.0.3esr	2012-03-13		Security fixes. Fixed web workers running out of memory, affecting some add-ons used by organizations.
10.0.4esr	2012-04-24		Fixed an issue in Firefox ESR 10.0.3 that caused the "Whats New" page to open after an update. Fixed extensions.checkCompatibility.* prefs not working in ESR releases.
10.0.5esr	2012-06-05		Fixed the 10.0.5 Firefox top crash with signature [@ GLEngine@0x620cf ].
10.0.6esr	2012-07-17		Security fixes. Stability fixes. Fixed some text editing inconsistencies.
10.0.7esr	2012-08-28		Fixed contenteditable breaks in 10.0.7 that middle-click to open links Addressed a fix that allows specifying wildcard that matches all simple netbiosnames in network.automatic-ntlm-auth.trusted-uris.
10.0.8esr	2012-10-09		Security fixes.
10.0.9esr	2012-10-12		Security fix.
10.0.10esr	2012-10-26		Security fix.
10.0.11esr	2012-11-20		Security fix.
10.0.12esr	2013-01-08		Security fix.
11.0	2012-03-13	11.0	Migration of settings from Google Chrome SPDY protocol support (disabled by default) RFC 6455 WebSocket protocol support with a unprefixed API Page Inspector Tilt (3D View) Sync Add-ons Redesigned HTML5 video controls Style Editor (CSS)
12.0	2012-04-24	12.0	Windows: Firefox is now easier to update with one less prompt (User Account Control) Reintroduced on-demand loading of pinned tabs after restoring a session Page Source now has line numbers Line breaks are now supported in the title attribute Improvements to "Find in Page" to center search result URLs pasted into the download manager window are now automatically downloaded Support for the text-align-last CSS property has been added Experimental support for ECMAScript 6 Map and Set objects has been implemented Various security fixes Many bug fixes Some TinyMCE-based editors failed to load (739141) OS X: WebGL performance may be degraded on some hardware (713305)
13.0	2012-06-05	13.0	When opening a new tab, users are now presented with their most visited pages The default home page now has quicker access to bookmarks, history, settings, and more SPDY protocol now enabled by default for faster browsing on supported sites Restored background tabs are not loaded by default for faster startup Smooth scrolling is now enabled by default 72 total improvements to Page Inspector, HTML panel, Style Inspector, Scratchpad and Style Editor The column-fill CSS property has been implemented Experimental support for ECMAScript 6 Map and Set objects has been implemented Support for the CSS3 background-position property extended syntax has been added The :invalid pseudo-class can now be applied to the element The CSS turn angle unit is now supported
13.0.1	2012-06-15		Fixed an issue when Windows Messenger did not load in Hotmail, and the Hotmail inbox did not auto-update Fixed the Hebrew text that was sometimes rendered incorrectly Fixed an issue in Adobe Flash 11.3 that sometimes caused a crash on quit Various security fixes
14.0	2012-06-26	14.0	Google searches now utilize HTTPS Full screen support for Mac OS X Lion implemented Plugins can now be configured to only load on click (about:config) The Awesome Bar now auto-completes typed URLs Improved site identity manager, to prevent spoofing of an SSL connection with favicons Pointer Lock API implemented New API to prevent your display from sleeping New text-transform and font-variant CSS improvements for Turkic languages and Greek Long URLs now extend the status bar almost to the whole width of the viewport. Gstreamer backend for HTML5 video to allow H.264 playback (needs to be enabled at compile time).
14.0.1	2012-07-17		Various security fixes Fixed the GIF animation that can get stuck when src and image size are changed Mac OSX: Fixed the nsCocoaWindow::ConstrainPosition that uses wrong screen in multi-display setup Fixed the CSS :hover regression when an element's class name is set by Javascript
15.0	2012-08-28	15.0	Silent update: 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 format added The <audio> and <video> elements now support the played attribute The source element now supports the media attribute Fixed the focus rings that keep growing when repeatedly tabbing through elements
15.0.1	2012-09-06		Addressed a fix where sites visited while in Private Browsing mode could be found through manual browser cache inspection
16.0	2012-10-09	16.0	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 Recently opened files list in Scratchpad implemented Fixed an issue where debugger breakpoints do not catch on page reload No longer supporting MD5 as a hash algorithm in digital signatures Opus support by default Reverse animation direction has been implemented Per tab reporting in about:memory User Agent strings for pre-release Firefox versions now show only major version
16.0.1	2012-10-11		Fixed security vulnerabilities
16.0.2	2012-10-26		Fixed security vulnerability
17.0	2012-11-20	17.0	First revision of the Social API and support for Facebook Messenger Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission Updated Awesome Bar experience with larger icons Mac OS X 10.5 is no longer supported JavaScript Maps and Sets are now iterable SVG FillPaint and StrokePaint implemented Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use New Markup panel in the Page Inspector allows easy editing of the DOM Sandbox attribute for iframes implemented, enabling increased security Over twenty performance improvements, including fixes around the New Tab page Fixed pointer lock that doesn't work in web apps Fixed page scrolling on sites with fixed headers
17.0.1	2012-11-30		Reverted user agent change causing some website incompatibilities Fixed font rendering issue
17.0.2esr	2013-01-08		Security and stability fixes. Fixed improvements to the Click-to-Play vulnerable plugin blocklisting feature
17.0.3esr	2013-02-19		Security fix.
18.0	2013-01-08	18.0	Faster JavaScript performance via IonMonkey compiler Support for Retina Display on OS X 10.7 and up Preliminary support for WebRTC Better image quality with Mozilla's 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 Improved responsiveness for users on proxies
18.0.1	2013-01-18		Fixed problems involving HTTP Proxy Transactions Fixed unity player crashes on Mac OS X Disabled HIDPI support on external monitors to avoid rendering glitches
18.0.2	2013-02-05		Fixed JavaScript related stability issues
19.0	2013-02-19	19.0	Built-in PDF Viewer Canvas elements can export their content as an image blob using canvas.toBlob() Startup performance improvements Debugger now supports pausing on exceptions and hiding non-enumerable properties Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true) There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true) Web Console CSS links now open in the Style Editor CSS @page is now supported CSS viewport-percentage length units implemented (vh, vw, vmin and vmax) CSS text-transform now supports full-width Fixed certain valid WebGL drawing operations that were incorrectly rejected, leaving incomplete rendering in affected pages Fixed an issue that starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode Fixed plugins that stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode
Version	Release date	Gecko version	Release notes