History of Firefox

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Origins and lineage

The Mozilla Firefox project was created by Dave Hyatt and Blake Ross as an experimental branch of the Mozilla project. Firefox 1.0 was released on November 9, 2004. Firefox 1.5 was released on November 29, 2005. Version 2.0 was released on October 24, 2006. Firefox 3.0 was released on June 17, 2008, with Version 3.5 and Version 3.6 released on June 30, 2009 and January 21, 2010 respectively. Version 4.0 was released on March 22, 2011. With Version 5.0 onwards the rapid release cycle was realised which envisions a new major version release every six weeks on Tuesday. Firefox 10, was released on January 31, 2012. The latest version, Firefox 10.0.2 was released on February 16, 2012

Contents

[edit] Early history

[edit] Early versions

Phoenix 0.1, the first official release
Firefox 1.0, the first release targeted for general public

Hyatt, Ross, Hewitt and Chanial's browser was created to combat the perceived software bloat of the Mozilla Suite (codenamed, internally referred to, and continued by the community as SeaMonkey), which integrated features such as IRC, mail and news, and WYSIWYG HTML editing into one software suite.

Firefox retains the cross-platform nature of the original Mozilla browser, using the XUL user interface markup language. The use of XUL makes it possible to extend the browser's capabilities through the use of extensions and themes. The development and installation processes of these add-ons raised security concerns, and with the release of Firefox 0.9, the Mozilla Foundation opened a Mozilla Update website containing "approved" themes and extensions. The use of XUL sets Firefox apart from other browsers, including other projects based on Mozilla's Gecko layout engine and most other browsers, which use interfaces native to their respective platforms (Galeon and Epiphany use GTK+; K-Meleon uses MFC; and Camino uses Cocoa). Many of these projects were started before Firefox, and probably served as inspiration.

Although the Mozilla Foundation had intended to make the Mozilla Suite obsolete and replace it with Firefox, the Foundation continued to maintain the suite until April 12, 2006[1] because it had many corporate users and was bundled with other software. The Mozilla community (as opposed to the Foundation) continues to release new versions of the suite, using the product name SeaMonkey to avoid confusion with the original Mozilla Suite.

On February 5, 2004, business and IT consulting company AMS categorized Mozilla Firefox (then known as Firebird) as a "Tier 1" ("Best of Breed") open source product, considering it technically strong and virtually risk-free.[2]

[edit] Naming

The project which became Firefox started as an experimental branch of the Mozilla Suite called m/b (or mozilla/browser). After it had been sufficiently developed, binaries for public testing appeared in September 2002 under the name Phoenix.

The Phoenix name was kept until April 14, 2003, when it was changed because of a trademark dispute with the BIOS manufacturer, Phoenix Technologies (which produces a BIOS-based browser called Phoenix FirstWare Connect). The new name, Firebird, met with mixed reactions, particularly as the Firebird database server already carried the name. In response, the Mozilla Foundation stated that the browser should always bear the name Mozilla Firebird to avoid confusion with the database software. Continuing pressure from the Firebird community forced another change,[3] and on February 9, 2004 the project was renamed Mozilla Firefox (or Firefox for short).[4]

The name "Firefox" (a reference to the red panda)[5] was chosen for its similarity to "Firebird", but also for its uniqueness in the computing industry. To ensure that no further name changes would be necessary, the Mozilla Foundation began the process of registering Firefox[6] as a trademark with the United States Patent and Trademark Office in December 2003. This trademark process led to a delay of several months in the release of Firefox 0.8 when the foundation discovered that Firefox had already been registered as a trademark in the UK[7] for Charlton Company software.[8] The situation was resolved when the foundation was given a license to use Charlton's European trademark.

[edit] Branding and visual identity

Various logos used during the development of Firefox

Early Firebird and Phoenix releases of Firefox were considered to have had reasonable visual designs, but were not up to the same standards as many professionally released software packages. In October 2003, professional interface designer Steven Garrity wrote an article covering everything he considered to be wrong with Mozilla's visual identity.[9] The page received a great deal of attention; the majority of criticism leveled at the article fell along the lines of "where's the patch?"[citation needed]

Blue globe artwork is distributed with Firefox source code, and is explicitly not protected as a trademark[10]

Shortly afterwards, Garrity was invited by the Mozilla Foundation to head up the new visual identity team. The release of Firefox 0.8 in February 2004 saw the introduction of the new branding efforts, including new icon designs by silverorange, a group of web developers with a long-standing relationship with Mozilla, with final renderings by Jon Hicks, who had previously worked on Camino.[11][12] The logo was later revised and updated, fixing several flaws found when it was enlarged.[13]

The animal shown in the logo is a stylized fox, although "firefox" is considered to be a common name for the red panda. The panda, according to Hicks, "didn't really conjure up the right imagery" and wasn't widely known.[12] The logo was chosen to make an impression while not shouting out with overdone artwork. It had to stand out in the user's mind, be easy for others to remember, and stand out without causing too much distraction when seen among other icons.

The Firefox icon is a trademark used to designate the official Mozilla build of the Firefox software and builds of official distribution partners.[14] For this reason, Debian and other software distributors who distribute patched or modified versions of Firefox do not use the icon. The crash reporting service was initially closed source, but switched with version 3 from a program called Talkback to the open source BreakPad & Socorro.

[edit] "Delicious delicacies"

A screenshot showing the "cookies are delicious delicacies" line

Early Firefox releases featured a preferences panel that described cookies thus: "Cookies are delicious delicacies".

The phrase was representative of the programmers' quirky sense of humor and was a reflection of the free software movement's unconventional approach. The phrase became something of a cult legend and was even featured in an O'Reilly computer book.

The original text was inserted by Blake Ross, one of the lead developers of Firefox, because, he said, "describing something so complicated in such a small space was quite frankly the last thing I wanted to worry about after rewriting the cookie manager".

However, in reflection of the growing acceptance and use of the Firefox browser in the Internet mainstream, the text was later changed. It was labeled a bug,[15] and was "fixed" by Mike Connor to read, "Cookies are pieces of information stored by web pages on your computer. They are used to remember login information and other data." The revision was regarded as more likely to be helpful to less technically oriented computer users who were now using Firefox—representing Mozilla's desire to appeal to mainstream users.

The text became a popular in-joke and on August 2004, the Delicious Delicacies extension, no longer maintained or updated, was released by Jesse Ruderman. The extension restored the old description of cookies, available in several languages.

As of Firefox 2.0, cookies are no longer described in the preferences window.

[edit] Version 1.5

"Deer Park", the codename of the Firefox 1.1 and 1.5 Alphas, did not include Firefox branding.

On June 23, 2005, the Mozilla Foundation announced that Firefox 1.1 (which became Firefox 1.5) and other new Mozilla products would no longer support Mac OS X v10.1, in order to improve the quality of Firefox releases on Mac OS X v10.2 and above. Mac 10.1 users could still use Firefox versions from the 1.0.x branch (e.g. Firefox 1.0.7).

Updated options window introduced in Firefox 1.5

Firefox 1.5 was released on November 30, 2005. While Firefox 1.5 was originally slated to arrive later, the Mozilla foundation abandoned the 1.1 release plan after the first two 1.1 alpha builds, merging it with the feature set of 1.5, which ended up being released later than the original 1.1 date. The new version resynchronized the code base of the release builds (as opposed to nightly builds) with the core "trunk", which contained additional features not available in 1.0, as it branched from the trunk around the 0.9 release. As such, there was a backlog of bug fixes between 0.9 and the release of 1.0, which were made available in 1.5. Version 1.5 implemented a new Mac-like options interface, the subject of much criticism from Windows and Linux users, with a "Sanitize" action to allow someone to clear their privacy-related information without manually clicking the "Clear All" button. In Firefox 1.5, a user could clear all privacy-related settings simply by exiting the browser or using a keyboard shortcut, depending on their settings. Moreover, the software update system was improved (with binary patches now possible). There were also improvements in the extension management system, with a number of new developer features.

In addition, Firefox 1.5 had preliminary SVG 1.1 support.[16]

Alpha builds of Firefox 1.5 (1.1a1 and 1.1a2) did not carry Firefox branding; they were labeled "Deer Park" (which was Firefox 1.5's internal codename) and contained a different program icon. This was done to dissuade end-users from downloading preview versions, which are intended for developers only.

Firefox 1.5.0.12 was the final version supported on Windows 95.

[edit] Version 2

Mozilla Firefox 2.0.0.12 running on Ubuntu

On March 22, 2006, the first alpha version of Firefox 2 (Bon Echo Alpha 1) was released. It featured Gecko 1.8.1 for the first time.

Firefox 2 was released on October 24, 2006 and contained many new features not found in Firefox 1.5, including improved SVG and JavaScript 1.7 support, as well as UI changes.

Mozilla Firefox 2.0.0.x was the final version supported on Windows NT 4.0, 98 and Me. Mozilla Corporation announced it would not develop new versions of Firefox 2 after the 2.0.0.20 release, but continued Firefox 2 development as long as other programs, such as Thunderbird mail client, depended on it. The final internal release was 2.0.0.22, released in late April 2009.

[edit] Firefox Live Chat

In December 2007, Mozilla launched Live Chat, a service allowing users to seek technical support from volunteers. Because Live chat is kept running by volunteers, it is only available when they are online.[17] Support is only available in English officially, but the volunteers may also provide in other languages. Mozilla uses the open source software, Openfire and Spark with the Fastpath plugin, all by Ignite Realtime. Unlike other services by companies such as Microsoft, Mozilla cannot offer remote control, as volunteers are bound to the privacy policy.

[edit] Version 3

Mozilla Firefox 3.0 on Ubuntu

The Mozilla Foundation released Firefox 3 on June 17, 2008. The first Firefox 3 beta (under codename 'Gran Paradiso').[18] had been released several months earlier, on 19 November 2007,[19] which was followed by several more beta releases in the Spring of 2008 culminating in the June release.[20]

One of the major changes in Firefox 3 is the implementation of Gecko 1.9, an updated layout engine. The new version fixes many bugs and implements new web APIs.[21]

[edit] Version 3.5

After several development releases, the final version was released on June 30, 2009. The current version is 3.5.19, released on April 28, 2011. Also, as of mid-December 2009, Firefox 3.5 was the most popular browser (when counting individual browser versions), passing Internet Explorer 7.[22] It was the first version to accomplish this feat.

[edit] Version 3.6

Version 3.6, released on January 21, 2010, uses the Gecko 1.9.2 engine and includes several interface improvements, such as "personas". This release was referred to as 3.2 before 3.1 was changed to 3.5. The codename for this version was Namoroka.

One minor update to Firefox 3.6, version 3.6.4 (code-named Lorentz) is the first minor update to make non-intrusive changes other than minor stability and security fixes.[23] It adds Out of Process Plugins (OOPP), which runs plugins in a separate process, allowing Firefox to recover from plugin crashes.

Firefox 3.6.6 lengthens the amount of time a plug-in is allowed to be unresponsive before the plug-in quits.[24]

[edit] Version 4.0

Nightly builds were marked as 4.0a1pre between February and June 2008,[25][26] but were renamed to 3.1a1pre afterward.

Firefox 3.7 (Gecko 1.9.3) Alpha 1 was released on February 10, 2010.[27][28] Alpha 2 was released on March 1, 2010, Alpha 3 on March 17, Alpha 4 on April 12, and Alpha 5 on June 16. The version number was changed to 4.0 (and Gecko's was changed to 2.0) starting with Beta 1, released on July 6, 2010. Beta 2 was released on July 27, Beta 3 on August 11, Beta 4 on August 24, Beta 5 on September 7, Beta 6 (a chemspill release) on September 14. After major delays, Beta 7 was finally released on November 10. Beta 7 was followed by Beta 8, released on December 21. Beta 9 was released on January 14, 2011, Beta 10 on January 25, Beta 11 on February 8, and Beta 12 on February 12. Firefox then moved into the RC stage.[29] The Final Version of Firefox 4 was released on March 22, 2011.[30]

One of the main focuses was to improve the user interface. UI overhaul mockups for the Windows version posted in the Mozilla Wiki showed numerous changes, including optional tab bar display at the top of the window, status bar integration with the tab toolbar, as well as search bar and the reload/stop button integration with the awesomebar.[31] A new type of tab, called an application tab, was placed in the tab bar. Similar to the Mozilla Prism project, it allows web pages (such as Gmail) to become applications. The browser was given a home tab similar to new tab pages found in Internet Explorer 8 and Google Chrome,[citation needed] although users were allowed to customize the button to take them to their homepage instead. The menu bar disappeared from the mockups, and the UI used animations to manipulate tags and buttons.[citation needed]

The Mac OS X installer was redesigned to make installations easier.[citation needed] Firefox start-up windows were eliminated to make start-up quicker. Preference and add-on manager windows were redesigned to better assist users.

"Door hanger" notifications were to be added to replace "bar" notifications, which were easily spoofed by web pages.

The Gecko layout engine was improved to support more HTML5 and CSS3 features.

In addition, the Firefox Sync project was integrated into the browser to allow users to sync elements such as bookmarks, tabs, and history with either Mozilla or other third-party servers.

[edit] Rapid release development cycle

From early 2011, Mozilla initiated a rapid release development cycle,[32][33] with versions planned to move through Mozilla's NIGHTLY, AURORA and BETA development channels after spending 6 weeks in each.

[edit] Extended Support Release

In January 2012 the Mozilla foundation announced the availability of an Extended Support Release version of Firefox.[34] Firefox ESR is intended for groups who deploy and maintain the desktop environment in large organizations such as universities and other schools, county or city governments and businesses.

ESR include silent, automatic updating, continuity of support through 9 cycles (54 weeks), with the final 2 cycles overlapping the next version.

Example: ESR jumps from 10.0 to 17.0, then to 24.0 etc.

Every six weeks when a new mainstream Firefox release is made under the rapid release cycle, a regular security update would also be released for the then-current ESR version. For example, ESR 10.0.1 would be expected to be released at the same time as Firefox 11. Then ESR 10.0.2, 10.0.3 etc would also be released. At Firefox 16, ESR would reach version 10.0.6. At Firefox 17 and Firefox 18, there would be two ESR versions supported. Respectively, ESR 10.0.7 and ESR 17.0.0; ESR 10.0.8, ESR 17.0.1. Finally, when Firefox reaches 19.0, ESR 10.0 would go end-of-life alongside the release of ESR 17.0.2. The cycle repeats again.

Note: You can only manually get ESR 17.0.x from ESR 10.0.x through Firefox Updater.

Sources: http://www.mozilla.org/en-US/firefox/organizations/faq/ and https://wiki.mozilla.org/Enterprise/Firefox/ExtendedSupport:Proposal#Proposal

However, severe flaws discovered in a shipping version of Firefox may disrupt the regular release schedule. For example, two unplanned releases of Firefox 10.0.1 amd 10.0.2 were made within 17 days of the initial release of Firefox 10. Firefox ESR 10.0.1 and 10.0.2 were also released at the same times to address the same flaws. Therefore, assuming no further critical flaws are discovered in the interim, the next regular scheduled security and stability update for Firefox ESR 10.0.x, coinciding with Firefox 11, will actually be Firefox ESR 10.0.3, and all future versions of Firefox ESR 10.0.x will be similarly offset relative to the version progression presented above.

[edit] Future releases

The precursory releases of upcoming Firefox releases are named Nightly, as this is the name of the trunk builds, and Aurora, a separate nightly branch for refining code. The next scheduled date for a version shift in these channels is March 13, 2012.

[edit] Expected release dates

Version Current Channel Release Date
Firefox 11 Beta March 13, 2012
Firefox 12 Aurora April 24, 2012
Firefox 13 Nightly June 5, 2012

[edit] Version 11

Firefox 11 is currently on the Beta channel. The release notes are here: http://www.mozilla.org/en-US/firefox/11.0beta/releasenotes/

[edit] Version 12

Firefox 12 is currently on the Aurora channel. The release notes are here: http://www.mozilla.org/en-US/firefox/12.0a2/auroranotes/

[edit] Version 13

Firefox 13 is currently on the Nightly channel. With this version no support for Windows 2000, Windows XP RTM and Windows XP SP1 will be provided anymore. The minimum system requirement will be Windows XP SP2.[35]

One of the major UI changes will be a new optional New Tab page providing access to Most Recent websites.

[edit] Release history

[edit] Release compatibility

Operating system Latest stable version Support Status
Linux kernel 2.2.14 and newer
(with some libraries[36])
10.0[36] 2004–present
Mac OS X 10.0 - 10.1 1.0.8 2004–2006
10.2 - 10.3 2.0.0.20 2004–2008
10.4 - 10.5 (PPC) 3.6.27 2005–2012
10.5 (Intel) - 10.7 10.0.2[36] 2007–present
Microsoft Windows 95 1.5.0.12 2004–2007
NT 4 / 98 / ME 2.0.0.20 2004–2008
2000 / XP / 2003 / Vista /
2008 / 7 / 2008R2
10.0.2[36] 2004–present
OS/2 and eComStation 6.0.2[37] Unofficial
Sun Java Desktop System 1.0.4 Unofficial
Solaris (x86 & SPARC) 8 - 9 2.0.0.20 Unofficial
Solaris 10 and OpenSolaris (x86 & SPARC) 9.0[38] Unofficial

[edit] Localizations

The number of localizations of Firefox has increased steadily. The first official release in November 2004 was distributed in 28 languages, including British/American English, European/Argentine Spanish, and Chinese in Traditional/Simplified characters, while Firefox 4.0 is available in over 80 languages.[39]

[edit] See also

[edit] Notes

  1. ^ "Mozilla Developer News » Blog Archive » Sunset Announcement for Fx/Tb 1.0.x and Mozilla Suite 1.7.x". Mozilla Developer Network. 2006-04-12. https://developer.mozilla.org/devnews/index.php/2006/04/12/sunset-announcement-for-fxtb-10x-and-mozilla-suite-17x/. Retrieved 2009-08-06. 
  2. ^ Keating, Wick (2004-02-05). "Open source: Swimming with the tide. In Consultants' Briefing". CIO Magazine. 
  3. ^ Festa, Paul (February 10, 2004). "New Mozilla name rises from ashes". CNet News. CBS Interactive. http://www.zdnet.co.uk/news/desktop-apps/2004/02/10/new-mozilla-name-rises-from-ashes-39145898/. Retrieved April 3, 2011. 
  4. ^ "NEW ROUND OF RELEASES EXTENDS MOZILLA PROJECT’S STANDARDS BASED OPEN SOURCE OFFERINGS". archive.mozilla.org. Mozilla Foundation. June 13, 2005. http://www-archive.mozilla.org/press/mozilla-2004-02-09.html. Retrieved April 3, 2011. 
  5. ^ "Brand Name Frequently Asked Questions". http://www.mozilla.org/projects/firefox/firefox-name-faq.html. Retrieved July 28, 2011. 
  6. ^ U.S. Trademark 78,344,043
  7. ^ UK Trademark 2,007,607
  8. ^ Class 09: Computer software for use in managed communications and connectivity. Class 42: Computer consultancy services; licensing and rental of computer software; design and development of computer software; maintenance, installation and up-dating of computer software; advisory services relating to computer programs and software
  9. ^ Garrity, Steven (2003-10-23). "Branding Mozilla: Towards Mozilla 2.0". http://www.actsofvolition.com/files/mozillabranding/. Retrieved 2009-02-08. 
  10. ^ Mozilla Trademark Policy FAQ "What are the Mozilla Trademarks and Logos?". Retrieved on November 2, 2006
  11. ^ Garrity, Steven (2004-02-09). "Branding Mozilla: Towards Firefox 1.0". http://www.actsofvolition.com/archive/2004/february/brandingmozilla. Retrieved 2009-02-08. 
  12. ^ a b Hicks, Jon (2004-02-08). "Branding Firefox". Hicksdesign. http://www.hicksdesign.co.uk/journal/branding-firefox. Retrieved 2009-02-08. 
  13. ^ Hicks, Jon (2004-12-16). "Spot the Difference". Hicksdesign. http://www.hicksdesign.co.uk/journal/spot-the-difference/. Retrieved 2009-02-08. 
  14. ^ Mozilla Trademark Policy for Distribution Partners Version 0.9 (DRAFT). Retrieved on November 2, 2006.
  15. ^ "Bugzilla.Mozilla.org". Bugzilla.Mozilla.org. https://bugzilla.mozilla.org/show_bug.cgi?id=213186. Retrieved 2012-02-07. 
  16. ^ as shown in Mozilla's Bugzilla database
  17. ^ "Firefox Support Blog » Blog Archive » Firefox Live Chat launching today". The Mozilla Blog. 2007-12-28. http://blog.mozilla.com/sumo/2007/12/28/firefox-live-chat-launching-today/. Retrieved 2009-08-06. 
  18. ^ Vukicevic, Vladimir (June 2, 2006). "Gecko 1.9/Firefox 3 ("Gran Paradiso") Planning Meeting, Wednesday Jun 7, 11:00 am". Google Groups: mozilla.dev.planning. http://groups.google.com/group/mozilla.dev.planning/browse_thread/thread/c73f6a1c25e8e7b0/b714ca46975f0109#b714ca46975f0109. Retrieved 2006-09-17. 
  19. ^ Mike Beltzner. "Firefox 3 Beta 1 now available for download". Mozilla Developer News. https://developer.mozilla.org/devnews/index.php/2007/11/19/firefox-3-beta-1-now-available-for-download/. 
  20. ^ Mike Beltzner. "Firefox 3 Beta 2 now available for download". Mozilla Developer News. https://developer.mozilla.org/devnews/index.php/2007/12/18/firefox-3-beta-2-now-available-for-download/. Retrieved 2007-12-20. 
  21. ^ "Firefox 3 for developers". Mozilla Developer Center. 2007-07-17. https://developer.mozilla.org/en/Firefox_3_for_developers. Retrieved 2007-07-17. 
  22. ^ Firefox 3.5 is world's most popular browser, StatCounter says, Nick Eaton. The Microsoft Blog - seattlepi.com. Blogs - seattlepi.com. 2009-12-21. Retrieved 2009-12-22.
  23. ^ "Firefox 3.6 due this month; next comes 'Lorentz'". CNET News. 2009-01-13. http://news.cnet.com/8301-30685_3-10433844-264.html. Retrieved 2010-01-17. 
  24. ^ "Mozilla Firefox 3.6.6 Release Notes". Mozilla. 2010-06-26. http://www.mozilla.org/en-US/firefox/3.6.6/releasenotes/. 
  25. ^ "ftp.mozilla.org". ftp.mozilla.org. 2008-02-20. http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/2008/02/2008-02-20-02-mozilla-central/. Retrieved 2012-02-07. 
  26. ^ "ftp.mozilla.org". ftp.mozilla.org. 2008-06-06. http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/2008/06/2008-06-06-02-actionmonkey/. Retrieved 2012-02-07. 
  27. ^ "Mozilla Wiki". Wiki.mozilla.org. 2010-02-02. https://wiki.mozilla.org/Platform/2010-02-02#Notices_.2F_Schedule. Retrieved 2012-02-07. 
  28. ^ "Release Notes: Mozilla Developer Preview". Mozilla. Archived from the original on 2010-02-13. http://web.archive.org/web/20100213161240/http://www.mozilla.org/projects/firefox/3.7a1/releasenotes/. Retrieved 2010-09-06. 
  29. ^ "Mozilla confirms Firefox 4 beta 12 is FINAL test build". The Register. http://www.theregister.co.uk/2011/02/25/firefox_4_beta_12_final_before_release_candidate/. Retrieved 2012-02-07. 
  30. ^ "Releases - MozillaWiki". Wiki.mozilla.org. 2012-01-31. https://wiki.mozilla.org/Releases. Retrieved 2012-02-07. 
  31. ^ "Firefox/4.0 Windows Theme Mockups - MozillaWiki". Mozilla. 2009-07-27. https://wiki.mozilla.org/Firefox/4.0_Windows_Theme_Mockups. Retrieved 2009-08-10. 
  32. ^ "New Channels for Firefox Rapid Releases". The Mozilla Blog. 2011-04-13. http://blog.mozilla.com/blog/2011/04/13/new-channels-for-firefox-rapid-releases/. Retrieved 2011-06-30. 
  33. ^ "New dev channels and repositories". Mozilla Developer News. 2011-04-17. https://developer.mozilla.org/devnews/index.php/2011/04/07/new-development-channels-and-repositories-for-rapid-releases/. Retrieved 2011-07-06. 
  34. ^ "Delivering a Mozilla Firefox Extended Support Release". January 10, 2012. http://blog.mozilla.com/blog/2012/01/10/delivering-a-mozilla-firefox-extended-support-release/. Retrieved February 04, 2012. 
  35. ^ "End of Firefox Support for Windows 2000". January 27, 2012. http://weblogs.mozillazine.org/asa/archives/2012/01/end_of_firefox_win2k.html. Retrieved January 27, 2012. 
  36. ^ a b c d "Mozilla Firefox System Requirements". Mozilla. 2011-12-21. http://www.mozilla.org/en-US/firefox/10.0/system-requirements/. Retrieved 2011-12-20. 
  37. ^ "Mozilla Firefox 6.0.2 Builds for OS/2". Mozilla. 2011-09-05. ftp://ftp.mozilla.org/pub/firefox/releases/6.0.2/contrib/. Retrieved 2011-09-17. 
  38. ^ "Mozilla Firefox 9.0 Builds for Solaris OS". Mozilla. 2011-12-20. ftp://ftp.mozilla.org/pub/firefox/releases/9.0/contrib/solaris_pkgadd/. Retrieved 2011-12-22. 
  39. ^ "Firefox web browser | International versions: Get Firefox in your language". Mozilla.org. http://www.mozilla.org/en-US/firefox/all.html. Retrieved 2012-02-07. 

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