Mozilla Firefox

Mozilla Firefox is a web browser developed by Mozilla Corporation from 2002 and the successor to Netscape. It runs on Windows, macOS, Linux, Android and iOS. The first public version was released in 2004.

Versions
{| class="wikitable" style="width:" !Name !Versions !Release date !Notes
 * Mozilla Firefox 0.x
 * 0.1 - 0.9.3
 * 2002 (Phoenix)
 * 2002 (Phoenix)

2003 (Firebird)
 * First version to be released. Also called Phoenix or Firebird.
 * Mozilla Firefox 1.x
 * 1.0rc1 - 1.5.0.12
 * 2004
 * First version to be released publicly and last version to support Windows 95, Mac OS X Cheetah and Mac OS X Puma.
 * Mozilla Firefox 2.x
 * 2.0.0.0 - 2.0.0.20
 * 2006
 * Last version to officially support Windows NT 4.0, Windows 98, Windows Me, Mac OS X Jaguar and Mac OS X Panther, as well as OS/2 (and thus, also eComStation) and to unofficially support Windows NT 3.51 and Windows 95 with patches. Later versions (up to 9.0) can be unofficially installed on 98 and Me through the use of the KernelEx compatibility layer. Revision .0.0.7 is the last version to properly work on Windows Vista builds 5212 - 5231.2
 * Mozilla Firefox 3.x
 * 3.0a1 - 3.6.28
 * 2008
 * Minor interface changes and last version to support Mac OS X Tiger and PowerPC-based Macs and to properly work on Windows 2000 build 1946.1. Revision .5 introduces private browsing mode
 * Mozilla Firefox 4.x
 * 3.7a1 - 4.0.1
 * rowspan="6" |2011
 * Comes with upgraded interface and first x64 version for Linux and macOS
 * Mozilla Firefox 5.x
 * 5.0a2 - 5.0.1
 * First version to have a rapid release cycle
 * Mozilla Firefox 6.x
 * 6.0a1 - 6.0.2
 * Last version to support Android 2.0 and to properly work on Windows Vista builds 5048, 5259 and 5270
 * Mozilla Firefox 7.x
 * 7.0a1 - 7.0.1
 * Mozilla Firefox 8.x
 * 8.0a1 - 8.0.1
 * Last version to work correctly on Windows XP build 2223 due to Visual C++ assert errors.
 * Mozilla Firefox 9.x
 * 9.0a1 - 9.0.1
 * Last version to work correctly on Windows 98 and Me with KernelEx.
 * Mozilla Firefox 10.x
 * 10.0a1 - 10.0.2 (normal), 10.0.12esr (ESR)
 * rowspan="8" |2012
 * First version to have an ESR cycle (Extended Support Release)
 * Mozilla Firefox 11.x
 * 11.0a1 - 11.0
 * Mozilla Firefox 12.x
 * 12.0a1 - 12.0
 * Last version to officially support Windows 2000 and to work correctly on Windows Longhorn builds 4033 - 4042. Later versions (up to 52.0) can be installed through unofficial patches to the operating system.
 * Last version to work correctly on Windows 98 and Me with KernelEx.
 * Mozilla Firefox 10.x
 * 10.0a1 - 10.0.2 (normal), 10.0.12esr (ESR)
 * rowspan="8" |2012
 * First version to have an ESR cycle (Extended Support Release)
 * Mozilla Firefox 11.x
 * 11.0a1 - 11.0
 * Mozilla Firefox 12.x
 * 12.0a1 - 12.0
 * Last version to officially support Windows 2000 and to work correctly on Windows Longhorn builds 4033 - 4042. Later versions (up to 52.0) can be installed through unofficial patches to the operating system.
 * Mozilla Firefox 12.x
 * 12.0a1 - 12.0
 * Last version to officially support Windows 2000 and to work correctly on Windows Longhorn builds 4033 - 4042. Later versions (up to 52.0) can be installed through unofficial patches to the operating system.
 * Last version to officially support Windows 2000 and to work correctly on Windows Longhorn builds 4033 - 4042. Later versions (up to 52.0) can be installed through unofficial patches to the operating system.


 * Moziila Firefox 13.x
 * 13.0a1 - 13.0.1
 * First version to have updated home page
 * Mozilla Firefox 14.x
 * 14.0a1 - 14.0.1
 * Mozilla Firefox 15.x
 * 15.0a1 - 15.0.1
 * Mozilla Firefox 16.x
 * 16.0a1 - 16.0.2
 * Last version to support Mac OS X Leopard and to work correctly on some Windows Longhorn builds
 * Mozilla Firefox 17.x
 * 17.0a1 - 17.0.1 (normal), 17.0.11esr (ESR)
 * Mozilla Firefox 18.x
 * 18.0a1 - 18.0.2
 * rowspan="9" |2013
 * Mozilla Firefox 19.x
 * 19.0a1 - 19.0.2
 * Last version to support Android 2.1
 * Mozilla Firefox 20.x
 * 20.0a1 - 20.0.1
 * New download manager and last version to run properly on Windows Longhorn build 4093 and Windows Vista build 5284
 * Mozilla Firefox 21.x
 * 21.0a1 - 21.0
 * Mozilla Firefox 22.x
 * 22.0a1 - 22.0
 * Mozilla Firefox 23.x
 * 23.0a1 - 23.0.1
 * New logo
 * Mozilla Firefox 24.x
 * 24.0a1 - 24.0 (normal), 24.8.1esr (ESR)
 * Mozilla Firefox 25.x
 * 25.0a1 - 25.0.1
 * Mozilla Firefox 26.x
 * 26.0a1 - 26.0.1
 * Mozilla Firefox 27.x
 * 27.0a1 - 27.0.1
 * rowspan="8" |2014
 * Mozilla Firefox 28.x
 * 28.0a1 - 28.0.1
 * Mozilla Firefox 29.x
 * 29.0a1 - 29.0.1
 * First version to have Australis interface
 * Mozilla Firefox 30.x
 * 23.0a1 - 23.0.1
 * New logo
 * Mozilla Firefox 24.x
 * 24.0a1 - 24.0 (normal), 24.8.1esr (ESR)
 * Mozilla Firefox 25.x
 * 25.0a1 - 25.0.1
 * Mozilla Firefox 26.x
 * 26.0a1 - 26.0.1
 * Mozilla Firefox 27.x
 * 27.0a1 - 27.0.1
 * rowspan="8" |2014
 * Mozilla Firefox 28.x
 * 28.0a1 - 28.0.1
 * Mozilla Firefox 29.x
 * 29.0a1 - 29.0.1
 * First version to have Australis interface
 * Mozilla Firefox 30.x
 * rowspan="8" |2014
 * Mozilla Firefox 28.x
 * 28.0a1 - 28.0.1
 * Mozilla Firefox 29.x
 * 29.0a1 - 29.0.1
 * First version to have Australis interface
 * Mozilla Firefox 30.x
 * Mozilla Firefox 29.x
 * 29.0a1 - 29.0.1
 * First version to have Australis interface
 * Mozilla Firefox 30.x
 * Mozilla Firefox 30.x

Mozilla Firefox 48.x
 * 30.0a1 - 30.0
 * Mozilla Firefox 31.x
 * 31.0a1 - 31.0 (normal), 31.8.0esr (ESR)
 * Last version to support Android 2.2
 * Mozilla Firefox 32.x
 * 32.0a1 - 32.0.3
 * Mozilla Firefox 33.x
 * 33.0a1 - 33.1.1
 * Mozilla Firefox 34.x
 * 34.0a1 - 34.0.5
 * First version to have Firefox Hello
 * Mozilla Firefox 35.x
 * 35.0a1 - 35.0.1
 * rowspan="9" |2015
 * Mozilla Firefox 36.x
 * 36.0a1 - 36.0.4
 * Mozilla Firefox 37.x
 * 37.0a1 - 37.0.2
 * Mozilla Firefox 38.x
 * 38.0a1 - 38.0.6 (normal), 38.8.0esr (ESR)
 * Mozilla Firefox 39.x
 * 39.0a1 - 39.0.3
 * Last version to work properly on certain Windows Vista RC 1 builds
 * Mozilla Firefox 40.x
 * 40.0a1 - 40.0.3
 * First version to officially support Windows 10
 * Mozilla Firefox 41.x
 * 41.0a1 - 41.0.2
 * Mozilla Firefox 42.x
 * 42.0a1 - 42.0
 * First x64 version for Windows
 * Mozilla Firefox 43.x
 * 43.0a1 - 43.0.4
 * Mozilla Firefox 44.x
 * 44.0a1 - 44.0.2
 * rowspan="7" |2016
 * Mozilla Firefox 45.x
 * 45.0a1 - 45.0.2 (normal), 45.9.0esr (ESR)
 * Last version to support Android 3.0
 * Mozilla Firefox 46.x
 * 46.0a1 - 46.0.1
 * Last version to run properly on Windows Longhorn builds from 4074 to 4088
 * Mozilla Firefox 47.x
 * 47.0a1 - 47.0.2
 * Last version to support Android 2.3
 * 41.0a1 - 41.0.2
 * Mozilla Firefox 42.x
 * 42.0a1 - 42.0
 * First x64 version for Windows
 * Mozilla Firefox 43.x
 * 43.0a1 - 43.0.4
 * Mozilla Firefox 44.x
 * 44.0a1 - 44.0.2
 * rowspan="7" |2016
 * Mozilla Firefox 45.x
 * 45.0a1 - 45.0.2 (normal), 45.9.0esr (ESR)
 * Last version to support Android 3.0
 * Mozilla Firefox 46.x
 * 46.0a1 - 46.0.1
 * Last version to run properly on Windows Longhorn builds from 4074 to 4088
 * Mozilla Firefox 47.x
 * 47.0a1 - 47.0.2
 * Last version to support Android 2.3
 * Last version to support Android 3.0
 * Mozilla Firefox 46.x
 * 46.0a1 - 46.0.1
 * Last version to run properly on Windows Longhorn builds from 4074 to 4088
 * Mozilla Firefox 47.x
 * 47.0a1 - 47.0.2
 * Last version to support Android 2.3
 * 47.0a1 - 47.0.2
 * Last version to support Android 2.3
 * 48.0a1 - 48.0.2
 * Added Process Separation (e10s). Last version to support Mac OS X Snow Leopard, Mac OS X Lion and OS X Mountain Lion. Also the last version to support Windows and Linux for SSE processors
 * Mozilla Firefox 49.x
 * 49.0a1 - 49.0.2
 * Discontinued support for Firefox Hello and last version to work properly on certain Windows 7 pre-release builds up to build 7048. Later versions will launch, but there is no ability to browse anything except for the internal  pages.
 * Mozilla Firefox 50.x
 * 50.0a1 - 50.1.0
 * Mozilla Firefox 51.x
 * 51.0a1 - 51.0.3
 * rowspan="7" |2017
 * Mozilla Firefox 52.x
 * 52.0a1 - 52.0.2 (normal), 52.9.0esr (ESR)
 * Last version to support NPAPI plugins other than Adobe Flash. NPAPI plugins other than Adobe Flash are disabled in the normal release, but enabled in the ESR release. Last version to officially support Windows XP, Windows Vista and 32-bit macOS. Later versions can be installed on Vista through unofficial patches to the operating system.
 * Mozilla Firefox 53.x
 * 53.0a1 - 53.0.3
 * First version to have no support for NPAPI plugins other than Adobe Flash. Last version to unofficialy support Windows 2000 with unofficial patches
 * Mozilla Firefox 54.x
 * 54.0a1 - 54.0.1
 * Mozilla Firefox 55.x
 * 55.0a1 - 55.0.3
 * Last version to support Android 4.0
 * Mozilla Firefox 56.x
 * 56.0a1 - 56.0.2
 * Mozilla Firefox 57.x
 * 57.0a1 - 57.0.4
 * Changed the logo and major changes
 * Mozilla Firefox 58.x
 * 58.0a1 - 58.0.2
 * rowspan="7" |2018
 * Last version to have  page, a leftover from Netscape
 * Mozilla Firefox 59.x
 * 59.0a1 - 59.0.3
 * Mozilla Firefox 60.x
 * 60.0a1 - 60.0.2 (normal), 60.9.0esr (ESR)
 * Mozilla Firefox 61.x
 * 61.0a1 - 61.0.2
 * Mozilla Firefox 62.x
 * 62.0a1 - 62.0.3
 * Mozilla Firefox 63.x
 * 63.0a1 - 63.0.3
 * Last version with a RSS feed reader
 * Mozilla Firefox 64.x
 * 64.0a1 - 64.0.2
 * Mozilla Firefox 65.x
 * 65.0a1 - 65.0.2
 * rowspan="7" | 2019
 * Mozilla Firefox 66.x
 * 66.0a1 - 66.0.5
 * Mozilla Firefox 67.x
 * 67.0a1 - 67.0.4
 * First version to ask to make a new profile after installing older versions and first ARM64 version for Windows
 * Mozilla Firefox 68.x
 * 68.0a1 - 68.0.2 (normal), 68.10.0esr (ESR)
 * Last version to support Android 4.1-4.4
 * Mozilla Firefox 69.x
 * 69.0a1 - 69.0.3
 * First version to have Adobe Flash Player disabled by default
 * Mozilla Firefox 70.x
 * 70.0a1 - 70.0.1
 * New logo and minor changes in About
 * Mozilla Firefox 71.x
 * 71.0a1 - 71.0
 * Support for "Picture-in-Picture" on Windows
 * Mozilla Firefox 72.x
 * 72.0a1 - 72.0.2
 * rowspan="13" |2020
 * Support for "Picture-in-Picture" on macOS and Linux
 * Mozilla Firefox 73.x
 * 73.0a1 - 73.0.1
 * Mozilla Firefox 74.x
 * 74.0a1 - 74.0.1
 * Introduces RLBox, a new technology, which protects Firefox from security issues of third-party libraries, on Linux.
 * Mozilla Firefox 75.x
 * 75.0a1 - 75.0
 * RLBox is now also available on macOS.
 * Mozilla Firefox 76.x
 * 76.0a1 - 76.0.1
 * Mozilla Firefox 77.x
 * 77.0a1 - 77.0.1
 * Mozilla Firefox 78.x
 * 78.0a1 - 78.0.2 (normal), 78.15.0esr (ESR)
 * Last version to run on OS X Mavericks (10.9), OS X Yosemite (10.10) and OS X El Capitan (10.11)
 * Mozilla Firefox 79.x
 * 79.0a1 - 79.0
 * Mozilla Firefox 80.x
 * 80.0a1 - 80.0.1
 * Mozilla Firefox 81.x
 * 81.0a1 - 81.0.2
 * First version to have the Firefox Alpenglow theme
 * Mozilla Firefox 82.x
 * 82.0a1 - 82.0.3
 * Mozilla Firefox 83.x
 * 83.0a1 - 83.0
 * First version to have HTTPS-Only Mode
 * Mozilla Firefox 84.x
 * 71.0a1 - 71.0
 * Support for "Picture-in-Picture" on Windows
 * Mozilla Firefox 72.x
 * 72.0a1 - 72.0.2
 * rowspan="13" |2020
 * Support for "Picture-in-Picture" on macOS and Linux
 * Mozilla Firefox 73.x
 * 73.0a1 - 73.0.1
 * Mozilla Firefox 74.x
 * 74.0a1 - 74.0.1
 * Introduces RLBox, a new technology, which protects Firefox from security issues of third-party libraries, on Linux.
 * Mozilla Firefox 75.x
 * 75.0a1 - 75.0
 * RLBox is now also available on macOS.
 * Mozilla Firefox 76.x
 * 76.0a1 - 76.0.1
 * Mozilla Firefox 77.x
 * 77.0a1 - 77.0.1
 * Mozilla Firefox 78.x
 * 78.0a1 - 78.0.2 (normal), 78.15.0esr (ESR)
 * Last version to run on OS X Mavericks (10.9), OS X Yosemite (10.10) and OS X El Capitan (10.11)
 * Mozilla Firefox 79.x
 * 79.0a1 - 79.0
 * Mozilla Firefox 80.x
 * 80.0a1 - 80.0.1
 * Mozilla Firefox 81.x
 * 81.0a1 - 81.0.2
 * First version to have the Firefox Alpenglow theme
 * Mozilla Firefox 82.x
 * 82.0a1 - 82.0.3
 * Mozilla Firefox 83.x
 * 83.0a1 - 83.0
 * First version to have HTTPS-Only Mode
 * Mozilla Firefox 84.x
 * Mozilla Firefox 80.x
 * 80.0a1 - 80.0.1
 * Mozilla Firefox 81.x
 * 81.0a1 - 81.0.2
 * First version to have the Firefox Alpenglow theme
 * Mozilla Firefox 82.x
 * 82.0a1 - 82.0.3
 * Mozilla Firefox 83.x
 * 83.0a1 - 83.0
 * First version to have HTTPS-Only Mode
 * Mozilla Firefox 84.x
 * 82.0a1 - 82.0.3
 * Mozilla Firefox 83.x
 * 83.0a1 - 83.0
 * First version to have HTTPS-Only Mode
 * Mozilla Firefox 84.x
 * First version to have HTTPS-Only Mode
 * Mozilla Firefox 84.x
 * Mozilla Firefox 84.x


 * 84.0a1 - 84.0.2
 * First version to support the Apple M1 processor natively
 * Mozilla Firefox 85.x
 * 85.0a1 - 85.0.2
 * rowspan="11" |2021
 * First version that no longer supports Adobe Flash Player. Improvements to bookmark management.
 * Mozilla Firefox 86.x
 * Mozilla Firefox 86.x
 * Mozilla Firefox 86.x

}
 * 86.0a1 - 86.0.1
 * Support for "Picture-in-Picture" for multiple videos
 * Mozilla Firefox 87.x
 * 87.0a1 - 87.0
 * Support for the built-in screen reader of macOS, VoiceOver
 * Mozilla Firefox 88.x
 * 88.0a1 - 88.0
 * Disabled support for FTP. Last version to properly work on certain Windows 7 RC and Pre-RTM builds. Later versions will work, but have a issue with font rendering.
 * Mozilla Firefox 89.x
 * 89.0a1 - 89.0
 * Major changes to the interface with the introduction of the new Proton UI, however it can be disabled until version 90.
 * Mozilla Firefox 90.x
 * 90.0a1 - 90.0.2
 * Removed support for FTP. On Windows, updates will now install in the background, even when Firefox is not currently running.
 * Mozilla Firefox 91.x
 * 91.0a1 - 91.0.2, 91.6.0esr (ESR)
 * Removed ability to disable Proton. Last version to work correctly on Windows 10X.
 * Mozilla Firefox 92.x
 * 92.0a1 - 92.0.1
 * Mozilla Firefox 93.x
 * 93.0a1 - 93.0
 * Added support for the AVIF format. On Windows, when the available system memory becomes insufficient, Firefox automatically disloads rarely used tabs. Disabled downloads from http-based addresses.
 * Mozilla Firefox 94.x
 * 94.0a1 - 94.0.2
 * On macOS, Firefox now uses the Energy Saving Mode for full screen videos on YouTube and Twitch. On Windows, Firefox no longer notifies the user of an update to speed up installation. RLBox is now also available on Windows. Introduced Site Isolation (previously codenamed Fission) and support for the Snap Layout feature in Windows 11. The Add-On "Firefox Multi-Account Containers" is now installed by default. New page about:unloads where the user can set tabs to hibernate. This is the first version to be offered at the Microsoft Store for Windows and as a MSIX installer. Revision .2 corrected bugs relating to the MSIX-packed edition.
 * Mozilla Firefox 95.0
 * 95.0a1 - 95.0.2
 * Improvements on macOS for Netflix and Amazon Prime Video streams. Site Isolation is now activated on all platforms to protect Firefox users better from Side Channel attacks like Spectre or Meltdown. Added a User Agent override for slack.com to make Firefox better use of features there. Revision .1 addresses an issue with microsoft.com web pages and removes the User Agent override for slack.com, revision .2 adresses an issue with AMD CPUs on Windows 7 - Windows 8.1.
 * Mozilla Firefox 96.0
 * 96.0a1 - 96.0.3
 * rowspan="12" |2022
 * Mozilla Firefox 97.0
 * 97.0a1 - 97.0.1
 * Firefox now supports and displays the new style of scrollbars on Windows 11. PostScript printing is no longer supported on Linux. Bugfixes for Windows 7 and Linux.
 * Mozilla Firefox 98.0
 * 98.0b1 - 98.0
 * 95.0a1 - 95.0.2
 * Improvements on macOS for Netflix and Amazon Prime Video streams. Site Isolation is now activated on all platforms to protect Firefox users better from Side Channel attacks like Spectre or Meltdown. Added a User Agent override for slack.com to make Firefox better use of features there. Revision .1 addresses an issue with microsoft.com web pages and removes the User Agent override for slack.com, revision .2 adresses an issue with AMD CPUs on Windows 7 - Windows 8.1.
 * Mozilla Firefox 96.0
 * 96.0a1 - 96.0.3
 * rowspan="12" |2022
 * Mozilla Firefox 97.0
 * 97.0a1 - 97.0.1
 * Firefox now supports and displays the new style of scrollbars on Windows 11. PostScript printing is no longer supported on Linux. Bugfixes for Windows 7 and Linux.
 * Mozilla Firefox 98.0
 * 98.0b1 - 98.0
 * Firefox now supports and displays the new style of scrollbars on Windows 11. PostScript printing is no longer supported on Linux. Bugfixes for Windows 7 and Linux.
 * Mozilla Firefox 98.0
 * 98.0b1 - 98.0
 * 98.0b1 - 98.0