Firefox
Free and open-source web browser by Mozilla
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| April 1 2025 |
Firefox version history
Firefox 137 released, introducing tab groups, Firefox Address Bar Refresh 2025, PDF link identification, signature support, and address bar calculator functionality.
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| 2025 | Mozilla faced criticism over changes to Firefox Terms of Use, which were perceived to reduce privacy and potentially relate to AI data usage. Mozilla later modified their privacy FAQ and clarified their data collection stance. |
| March 4 2025 |
Firefox version history
Firefox 136 released with updated sidebar, vertical tabs layout, enhanced privacy features, HTTPS upgrade preferences, and expanded regional weather forecast support.
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| February 18 2025 | Support for Firefox 115 ESR was renewed for an additional 6 months, extending the end-of-life date to September 2025. |
| February 4 2025 |
Firefox version history
Firefox 135 released with expanded language support for translations, global credit card autofill rollout, AI Chatbot access, and enhanced security features like certificate transparency enforcement.
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| January 7 2025 |
Firefox version history
Firefox 134 released with touchpad hold gesture support on Linux, HEVC video playback on Windows, and a refreshed New Tab layout for US and Canadian users.
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| December 2024 |
Zen Browser
Zen Browser discontinued its optimized download version due to high power consumption, user confusion, and incompatibility with other Clang optimizations.
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| December 10 2024 |
Zen Browser
Zen Browser entered its beta phase, launched new 'Zen' branding with a new logo, website, and tagline: 'Welcome to a calmer internet'.
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| November 26 2024 |
Firefox version history
Firefox 133 released with Bounce Tracking Protection, GPU-accelerated Canvas2D, enhanced Picture-in-Picture features, and improved privacy settings for Android.
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| October 2024 | Firefox became the fourth-most widely used desktop browser with 2.95% worldwide usage share across all platforms. |
| October 29 2024 |
Firefox version history
Firefox 132 released, introducing Microsoft PlayReady encrypted media playback, enhanced macOS features, post-quantum key exchange mechanism, and various performance and security improvements.
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| October 1 2024 |
Firefox version history
Firefox 131 released with temporary permission granting, enhanced translation features, text fragment support, and security improvements including language support for Swedish.
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| September 2024 | Support for Firefox 115 ESR was extended for an initial period of six months. |
| September 3 2024 |
Firefox version history
Firefox 130 released, featuring partial text translation, a new Firefox Labs experimental features page, improved WebCryptoAPI support, and added language support for multiple languages including Catalan, Croatian, and Vietnamese.
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| August 6 2024 |
Firefox version history
Firefox 129 released, introducing enhanced Reader View options, Tab preview feature, HTTPS as default protocol, and multiple language and accessibility improvements.
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| July 12 2024 |
Zen Browser
First public release of Zen Browser as Alpha build 1.0.0-a.1, with 104 total contributors (52 desktop and 52 site contributors).
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| July 9 2024 |
Firefox version history
Firefox 128 and Firefox 128 ESR released with major changes including text translation capabilities, enhanced privacy features, improved language support, and multiple technical improvements for web browsing and development.
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| June 11 2024 |
Firefox version history
Firefox 127 released, featuring auto-launch optimization, DNS prefetching for HTTPS, close duplicate tabs command, and improved screenshot capabilities.
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| May 14 2024 |
Firefox version history
Firefox 126 released, expanding 'Copy Without Site Tracking' functionality, adding support for zstandard compression, and introducing the Catalan language.
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| April 16 2024 |
Firefox version history
Firefox 125 released for Android and desktop, adding support for AV1 codec for Encrypted Media Extensions, text highlighting in PDF viewer, and address form saving for U.S. and Canadian users.
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| April 1 2024 |
Zen Browser
Zen Browser began development after being mentioned in a Reddit post on r/browsers.
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| March 19 2024 |
Firefox version history
Firefox 124 released, adding caret browsing mode in PDF viewer, improved tab sorting in Firefox View, and expanded Qwant search availability.
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| February 20 2024 |
Firefox version history
Firefox 123 released, integrating search into Firefox View, adding text translation for tooltips and form controls, and implementing early hints support.
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| January 23 2024 | With the release of Firefox 122.0, Mozilla introduced an official APT repository for Debian-based Linux distributions. |
| January 23 2024 |
Firefox version history
Firefox 122 released, introducing support for passkeys in iCloud Keychain, MDN Web Docs suggestions in Firefox Suggest, and improved web content line breaking rules.
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| 2023 |
PDF.js
PDF.js was added to Firefox for Android (version 111), expanding its mobile browser support.
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| December 19 2023 |
Firefox version history
Firefox 121 released, adding support for Voice Control on macOS, improved PDF viewer functionality, and expanded extension capabilities.
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| December 14 2023 |
Firefox for Android
Mozilla announced the availability of more than 450 add-ons for download on Firefox for Android.
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| November 2023 |
Firefox for Android
Mozilla announced that add-ons marked as Android-compatible would be shown on addons.mozilla.org by December 14, 2023.
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| November 21 2023 |
Firefox version history
Firefox 120 released, introducing 'Copy Link Without Site Tracking' feature, Global Privacy Control setting, and enhanced Canvas APIs privacy protection.
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| October 24 2023 |
Firefox version history
Firefox 119 released, adding Firefox view, PDF editor, ability to import extensions from Google Chrome, and enhancing privacy features like Blob URL partitioning.
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| September 26 2023 |
Firefox version history
Firefox 118 released, introducing automated web content translation, improved privacy features, and support for new CSS math functions.
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| August 29 2023 |
Firefox version history
Firefox 117 released, extending credit card autofill support to new locales and adding improvements like enhanced web compatibility inspection and support for CSS nesting.
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| August 1 2023 |
Firefox version history
Firefox 116 released, marking the start of exclusive support for Windows 10+ and macOS 10.15+. Introduced significant features like sidebar switcher, volume slider in Picture-in-Picture, and improved HTTP/2 upload performance.
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| July 2023 | Firefox 115 ESR was released as the last version supporting Windows 7 and 8. |
| July 4 2023 |
Firefox version history
Firefox 115 and Firefox 115 ESR released, featuring improvements like payment method import from Chrome-based browsers, hardware video decoding for Intel GPUs on Linux, and a streamlined user interface for importing browser data.
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| June 6 2023 |
Firefox version history
Firefox 114 released, adding DNS over HTTPS exception list management, bookmarks menu accessibility, local history search, and macOS camera video capture improvements.
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| May 9 2023 |
Firefox version history
Firefox 113 released, enhancing Picture-in-Picture, improving private window tracking protection, adding password special character generation, and supporting AV1 Image Format files.
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| April 11 2023 |
Firefox version history
Firefox 112 released, adding password reveal feature, middle-click tab closing, and ability to restore previous browser sessions.
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| March 14 2023 |
Firefox version history
Firefox 111 released, enabling Windows native notifications, adding Firefox Relay email masks, supporting Origin private file system access, and enhancing PDF document viewing.
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| February 14 2023 |
Firefox version history
Firefox 110 released, supporting bookmark and data import from Opera GX and Vivaldi, adding Canvas2D GPU-acceleration, and introducing CSS size container queries.
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| January 17 2023 |
Firefox version history
Firefox 109 released, enabling Manifest Version 3 extension support, adding exploit protection, native HTML date picker, and removing Colorways.
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| 2022 |
Basilisk
Rights to Basilisk were purchased, and development was picked up by Basilisk-Dev, with the browser remaining open source.
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| December 13 2022 |
Firefox version history
Firefox 108 released, enabling import maps, Windows 11 efficiency mode for background tabs, WebMIDI API support, and adding PDF saving capability.
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| November 15 2022 |
Firefox version history
Firefox 107 released, improving performance with Windows 11 IME, adding power profiling support, enhancing DevTools, and enabling Total Cookie Protection.
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| October 18 2022 |
Firefox version history
Firefox 106 released, enabling PDF editing, Windows taskbar pinning, private window redesign, text recognition in images, and introduction of 'Firefox View'.
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| September 20 2022 |
Firefox version history
Firefox 105 released, introducing page-specific printing, swipe navigation on Windows, User Timing L3 specification support, and Offscreen Canvas DOM API compatibility.
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| August 23 2022 |
Firefox version history
Firefox 104 released, adding Picture-in-Picture subtitles for Disney+, scroll-snap-stop property support, and Firefox profiler's power usage analysis for Apple M1 and Windows 11.
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| July 26 2022 |
Firefox version history
Firefox 103 released, featuring improved macOS responsiveness, PDF form highlighting, enhanced Picture-in-Picture subtitles, and UI accessibility improvements.
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| June 28 2022 |
Firefox version history
Firefox 102 and Firefox 102 ESR released, introducing features like turning off automatic download pane, enhanced tracking protection, Picture-in-Picture subtitles, and improved security with sandboxed audio decoding.
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This contents of the box above is based on material from the Wikipedia articles Basilisk (web browser), PDF.js, Firefox for Android, Firefox, Zen Browser & Firefox version history, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.