New to the Web Platform in July rac /dev )Jul 31, 2025 151 release-notes , web-platform , browsers , mozilla Shipping WebGPU on Windows in Firefox 141 jbl /moz )Jul 15, 2025 150 webgpu , mozilla , browsers , windows , microsoft New to the Web Platform in June rac /dev )Jun 30, 2025 149 release-notes , web-platform , browsers , chrome , google , mozilla , safari , apple New to the Web Platform in May rac /dev )May 29, 2025 148 release-notes , web-platform , browsers , mozilla , chrome , google , safari , apple Mozilla Say Google Search Deal Vital to Firefox’s Survival d0o /omg )May 5, 2025 147 mozilla , browsers , google New to the Web Platform in April rac /dev )Apr 30, 2025 146 release-notes , web-platform , browsers , chrome , google , mozilla , safari , apple Firefox 137.0.2 Is a Big Bug Fix and Security Update Release Apr 15, 2025 145 mozilla , browsers Firefox Release Notes [Firefox 137.0] moz )Apr 1, 2025 144 release-notes , mozilla , browsers New to the Web Platform in March rac /dev )Mar 31, 2025 143 release-notes , web-platform , browsers , mozilla , safari , apple , chrome , google Firefox 136 Launches With Vertical Tabs, but One Requested Feature Is Still Missing Mar 4, 2025 142 mozilla , browsers Mozilla Updates Firefox Terms Again After Backlash Over Broad Data License Language the )Mar 1, 2025 141 mozilla , browsers , licensing New to the Web Platform in February rac /dev )Feb 28, 2025 140 release-notes , web-platform , browsers , mozilla , chrome , google , safari , apple Firefox: Mozilla Confirms Support for Classic Extensions and Manifest V3 Add-Ons Feb 26, 2025 139 mozilla , browsers , browser-extensions Browsers: A Snapshot bry )Feb 25, 2025 138 browsers , browser-extensions , chromium , edge , microsoft , mozilla , brave , safari , apple Firefox 135 Launches With New Translation Languages, New Tab Layout, Security, and Privacy Improvements Feb 4, 2025 137 mozilla , browsers New to the Web Platform in January rac /dev )Jan 29, 2025 136 release-notes , web-platform , browsers , mozilla , chrome , google , safari , apple Running Inference in Web Extensions tar /moz )Jan 22, 2025 135 mozilla , browsers , ai New to the Web Platform in November rac /dev )Nov 28, 2024 134 release-notes , web-platform , browsers , mozilla , chrome , google 20 Years of Firefox: How a Community Project Changed the Web moz )Nov 18, 2024 133 mozilla , browsers , history , anniversaries New to the Web Platform in October rac /dev )Oct 30, 2024 132 release-notes , web-platform , browsers , mozilla , chrome , google , safari , apple Celebrating 20 Years of Firefox Oct 28, 2024 131 videos , anniversaries , mozilla , browsers New to the Web Platform in September rac /dev )Sep 30, 2024 130 release-notes , web-platform , browsers , chrome , google , mozilla , safari , apple Feature Detecting Scroll-Driven Animations With “@ supports”: You Want to Check for “animation-range” Too bra )Sep 24, 2024 129 css , feature-detection , support , animations , mozilla , browsers Firefox DevTools Newsletter 130 nic /fir )Sep 23, 2024 128 release-notes , mozilla , browsers , dev-tools New to the Web Platform in August rac /dev )Aug 29, 2024 127 release-notes , web-platform , browsers , google , chrome , mozilla The Dying Web mre )Aug 8, 2024 126 browsers , google , chrome , chromium , mozilla , web Announcing Official Puppeteer Support for Firefox Aug 7, 2024 125 browsers , mozilla , puppeteer , support New to the Web Platform in July rac /dev )Jul 30, 2024 124 release-notes , web-platform , browsers , mozilla , apple , safari , google , chrome How to Try Experimental CSS Features hui )Jul 5, 2024 123 how-tos , css , browsers , apple , safari , google , chrome , mozilla New to the Web Platform in June rac /dev )Jun 26, 2024 122 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari Firefox DevTools Newsletter 127 nic /fir )Jun 18, 2024 121 release-notes , browsers , mozilla , dev-tools See What’s New in Firefox [127.0] moz )Jun 11, 2024 120 release-notes , browsers , mozilla Display the Specificity of a CSS Selector pat /dev )Jun 4, 2024 119 css , selectors , cascade , dev-tools , browsers , google , chrome , microsoft , edge , apple , safari , mozilla New to the Web Platform in May rac /dev )May 29, 2024 118 release-notes , web-platform , browsers , google , chrome , apple , safari , mozilla Here’s What We’re Working on in Firefox moz )May 21, 2024 117 browsers , mozilla New to the Web Platform in April rac /dev )Apr 29, 2024 116 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari New to the Web Platform in March rac /dev )Mar 28, 2024 115 release-notes , web-platform , browsers , mozilla , apple , safari , google , chrome Bugs I’ve Filed on Browsers nol )Mar 3, 2024 114 browsers , chromium , webkit , quality New to the Web Platform in February rac /dev )Feb 29, 2024 113 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari Why I Use Firefox sim )Feb 26, 2024 112 browsers , mozilla New to the Web Platform in January rac /dev )Jan 30, 2024 111 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari Mozilla Says Apple’s New Browser Rules Are “as Painful as Possible” for Firefox ver )Jan 26, 2024 110 browsers , apple , mozilla , mobile Battle of the Browsers zer )Jan 22, 2024 109 browsers , browser-engines , blink , chrome , google , edge , microsoft , brave , gecko , mozilla , webkit , safari , apple , comparisons Chrome Alternative Browsers to Check Out in 2024 Jan 11, 2024 108 browsers , arc , the-browser-company , chromium , mozilla See What’s New in Firefox [121.0] moz )Dec 19, 2023 107 release-notes , browsers , mozilla New to the Web Platform in December rac /dev )Dec 19, 2023 106 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari How to Enable Experimental CSS and JS Features in Chrome, Firefox, and Safari zor /css )Dec 11, 2023 105 videos , how-tos , experiments , browsers , google , chrome , mozilla , apple , safari New to the Web Platform in November rac /dev )Nov 30, 2023 104 release-notes , web-platform , browsers , google , chrome , mozilla Firefox on the Brink? bry )Nov 30, 2023 103 browsers , mozilla Prodding Firefox to Update “:has()” Selection mey )Oct 19, 2023 102 css , selectors , mozilla , support New to the Web Platform in July rac /dev )Jul 31, 2023 101 release-notes , web-platform , browsers , google , chrome , mozilla , apple , safari See What’s New in Firefox [115.0] moz )Jul 4, 2023 100 release-notes , browsers , mozilla New to the Web Platform in June rac /dev )Jun 30, 2023 99 release-notes , web-platform , browsers , mozilla , google , chrome , apple , safari New to the Web Platform in May rac /dev )May 31, 2023 98 release-notes , web-platform , browsers , google , chrome , mozilla , apple , safari See What’s New in Firefox [113.0] moz )May 9, 2023 97 release-notes , browsers , mozilla New to the Web Platform in April rac /dev )Apr 28, 2023 96 release-notes , web-platform , browsers , google , chrome , mozilla Firefox May Soon Reject Cookie Prompts Automatically Apr 17, 2023 95 cookies , legal , user-experience , mozilla Firefox Rolls Out Total Cookie Protection by Default to More Users Worldwide moz )Apr 11, 2023 94 browsers , mozilla , cookies , privacy New to the Web Platform in March rac /dev )Mar 31, 2023 93 release-notes , web-platform , browsers , google , chrome , mozilla , apple , safari XUL Layout Is Gone Mar 30, 2023 92 history , xul , browsers , mozilla Some Cross-Browser DevTools Features You Might Not Know css )Mar 22, 2023 91 dev-tools , browsers , google , chrome , mozilla , apple , safari New to the Web Platform in January rac /dev )Jan 31, 2023 90 release-notes , web-platform , browsers , google , chrome , mozilla , apple , safari Best Browsers For Developers in 2023 tal )Jan 22, 2023 89 browsers , comparisons , mozilla , polypane , brave , chrome , google Cache the World: Turbo Charging Firefox Accessibility Performance and Maintainability jcs )Dec 22, 2022 88 mozilla , browsers , accessibility , caching Improving Firefox Stability With This One Weird Trick Nov 22, 2022 87 browsers , mozilla Firefox-Only CSS ami )Nov 17, 2022 86 css , browsers , mozilla Significant Improvements for Screen Readers Now in Nightly Firefox moz )Nov 15, 2022 85 browsers , screen-readers , mozilla , accessibility Firefox (and Other Browsers), Forgotten? col )Jul 30, 2022 84 browsers , mozilla , testing Use Firefox for Accessibility Testing col )Jul 17, 2022 83 browsers , mozilla , accessibility , testing Version 100 in Chrome and Firefox Feb 15, 2022 82 browsers , support , google , chrome , mozilla What’s New in DevTools? pat /sma )Jan 26, 2022 81 dev-tools , browsers , google , chrome , microsoft , edge , apple , safari , mozilla How to Customize Firefox UI—Step-by-Step Tutorial Dec 10, 2021 80 how-tos , tutorials , xul , browsers , mozilla , customization What’s New With DevTools: Cross-Browser Edition pat /sma )Sep 7, 2021 79 dev-tools , browsers , google , chrome , microsoft , edge , mozilla , apple , safari Firefox’s “bolder” Default Is a Problem for Variable Fonts sim /css )Sep 7, 2021 78 css , fonts , variable-fonts , browsers , mozilla Looking Fine With Firefox 89 chr )Jun 1, 2021 77 release-notes , mozilla , browsers Warp: Improved JS Performance in Firefox 83 jan )Nov 13, 2020 76 mozilla , browsers , javascript , performance , spidermonkey , javascript-engines A Guide to New and Experimental CSS DevTools in Firefox vx /sma )Oct 10, 2019 75 guides , mozilla , browsers , dev-tools Firefox 69—a Tale of Resize Observer, Microtasks, CSS, and DevTools chr )Sep 3, 2019 74 release-notes , mozilla , browsers How to Enable Experimental Web Platform Features in Chrome and Firefox mic )Jun 21, 2019 73 how-tos , experiments , web-platform , browsers , chrome , google , mozilla Goodbye, EdgeHTML moz )Dec 6, 2018 72 edgehtml , gecko , browser-engines , browsers , mozilla Firefox 63—Tricks and Treats Oct 23, 2018 71 release-notes , mozilla , browsers In Your Face, Passwords: Big Three Browsers All Adopt Authentication API Aug 1, 2018 70 security , authentication , webauthn , apis , edge , microsoft , chrome , google , mozilla , browsers Everything You Need to Know About the Plan to Kill Internet Passwords dav /giz )Jun 7, 2018 69 passwords , authentication , webauthn , chrome , google , mozilla , browsers Firefox 60 Lands: It’s World’s First Browser to Give You Password-Free Logins, Says Mozilla zdn )May 10, 2018 68 mozilla , browsers , webauthn Inspecting Animations in DevTools fon /css )May 4, 2018 67 css , animations , dev-tools , browsers , chrome , google , mozilla Optimizing CSS: Tweaking Animation Performance With DevTools Nov 23, 2017 66 css , animations , performance , optimization , dev-tools , browsers , mozilla Firefox 54: E10S-Multi, WebExtension APIs, CSS “clip-path” Jun 13, 2017 65 release-notes , mozilla , browsers Firefox 53: Quantum Compositor, Compact Themes, CSS Masks, and More Apr 19, 2017 64 release-notes , mozilla , browsers Think You Know the Top Web Browsers? pet )Apr 13, 2017 63 metrics , browsers , chrome , google , mozilla , safari , apple , internet-explorer , microsoft , opera , uc-browser Chrome, Firefox, and Edge Add Support for New WebAssembly Format cam /sof )Mar 15, 2016 62 webassembly , support , browsers , chrome , google , mozilla , edge , microsoft Revisiting Firefox’s DevTools pat /sma )Dec 30, 2015 61 mozilla , browsers , dev-tools Firefox 40: Profiling JavaScript Performance and More eli )Aug 25, 2015 60 mozilla , browsers What’s New in Firefox 39 Jul 14, 2015 59 mozilla , browsers What’s New in Firefox 38 eli )May 18, 2015 58 mozilla , browsers Want Fancy Firefox Features? Secure Your Website sts /cne )Apr 14, 2015 57 mozilla , browsers , http , security What’s New in Firefox 36: Android Debugging, HTTP/2 Support, and More eli )Feb 25, 2015 56 mozilla , browsers What’s New in Firefox 35 cra )Jan 21, 2015 55 mozilla , browsers What’s New in Firefox 34 cra )Dec 4, 2014 54 mozilla , browsers What’s New in Firefox 33 eli )Oct 14, 2014 53 mozilla , browsers Mozilla Relents, Says It Will Implement HTML5 DRM Solution in Firefox fre /tec )May 14, 2014 52 mozilla , browsers , drm , eme Konqueror vs. Firefox May 2, 2014 51 browsers , konqueror , mozilla , comparisons What’s New in Firefox 28 cra )Mar 26, 2014 50 browsers , mozilla What’s New in Firefox 27 cra )Feb 11, 2014 49 browsers , mozilla Despite Automatic Updates, Old Browsers Are Still a Problem edb /zdn )Jan 6, 2014 48 browsers , web-platform , security , chrome , google , mozilla , internet-explorer , microsoft , safari , apple What’s New in Firefox 26 cra )Dec 11, 2013 47 browsers , mozilla What’s New in Firefox 25 cra )Oct 31, 2013 46 browsers , mozilla What’s New in Firefox 23 cra )Aug 7, 2013 45 browsers , mozilla End of an Era as Firefox Bins “Blink” Tag the )Aug 7, 2013 44 mozilla , browsers , html What’s New in Firefox 20 cra )Apr 5, 2013 43 browsers , mozilla Firefox Raises the Online Privacy Bar With New Cookie Policy edb /zdn )Feb 24, 2013 42 mozilla , browsers , cookies , privacy What’s New in Firefox 19 cra )Feb 20, 2013 41 browsers , mozilla Hello Firefox, This Is Chrome Calling sla /dev )Feb 4, 2013 40 chrome , google , mozilla , browsers , webrtc What’s New in Firefox 18 cra )Jan 9, 2013 39 browsers , mozilla Firefox 18 Beta Adds JavaScript Improvements, Retina Display Support tec )Nov 27, 2012 38 mozilla , browsers Happy 10th Birthday Firefox! cra )Sep 26, 2012 37 browsers , mozilla , anniversaries What’s New in Firefox 15 cra )Aug 29, 2012 36 browsers , mozilla Firefox Beta 15 Supports the New Opus Audio Format Jul 19, 2012 35 mozilla , browsers , multimedia What’s New in Firefox 14 cra )Jul 18, 2012 34 browsers , mozilla Turn Off Cache in Firefox When [You’re] Testing Jun 30, 2012 33 caching , browsers , mozilla What’s New in Firefox 12 and Chrome 18 cra )Apr 25, 2012 32 browsers , mozilla , google , chrome What’s New in Firefox 10 cra )Feb 1, 2012 31 browsers , mozilla Mozilla Delivers Firefox 10 tec )Feb 1, 2012 30 mozilla , browsers What’s New in Firefox 9.0 cra )Dec 21, 2011 29 browsers , mozilla What’s New in Firefox 8 cra )Nov 9, 2011 28 browsers , mozilla Mozilla Release Firefox 5 cra )Jun 21, 2011 27 browsers , mozilla HTML5 Forms Validation in Firefox 4 mou )Nov 10, 2010 26 html , forms , validation , mozilla , browsers Opera With Extensions: Now Can It Replace Firefox? smf /bet )Oct 28, 2010 25 opera , mozilla , browsers , browser-extensions HTML5 Accessibility ste )Oct 8, 2010 24 websites , html , accessibility , browsers , support , chrome , google , mozilla , internet-explorer , microsoft , opera , safari , apple Firefox Unveiled: Gecko Basic Data Flow Jun 15, 2010 23 browsers , mozilla , gecko , browser-engines , parsing Firefox 4: CSS3 “calc()” Jun 10, 2010 22 css , functions , mozilla , browsers What’s Coming in Firefox 4.0 cra )May 17, 2010 21 browsers , mozilla Getting Users to Upgrade Their Browsers aja )Apr 9, 2010 20 browsers , chrome , google , internet-explorer , microsoft , mozilla , safari , apple , opera Eight Reasons to Choose Safari or Firefox mac )Dec 29, 2009 19 browsers , safari , apple , mozilla , comparisons Firefox 3.5 Is the World’s Most Popular Browser cra )Dec 22, 2009 18 browsers , mozilla Web Open Font Format for Firefox 3.6 Oct 20, 2009 17 fonts , woff , mozilla , browsers HTML 5 Parser Lands in Gecko aja )Jul 8, 2009 16 html , parsing , gecko , browser-engines , mozilla , browsers Browser CSS Hacks pau )Apr 15, 2009 15 browsers , css , hacks , microsoft , internet-explorer , opera , apple , safari , mozilla Firefox 3 CSS and HTML Support Information Available Jun 16, 2008 14 browsers , mozilla , support , html , css Two Hidden Features New in Firefox 3 sen )May 23, 2008 13 browsers , mozilla The Browser Bunch joe /mac )Mar 31, 2008 12 browsers , unix-like , comparisons , safari , apple , camino , mozilla , opera Firefox 3 Offers Numerous Features for Developers Mar 19, 2008 11 mozilla , browsers Color Rendering Difference: Firefox vs. Safari chr /css )Feb 28, 2008 10 colors , rendering , comparisons , mozilla , safari , apple , browsers Font Rendering Differences: Firefox vs. IE vs. Safari chr /css )Aug 29, 2007 9 css , fonts , rendering , mozilla , internet-explorer , microsoft , safari , apple , browsers , comparisons Firebug Tips and Tricks Apr 18, 2007 8 firebug , tips-and-tricks Cross Browser Compatibility Jan 17, 2006 7 browsers , interoperability , internet-explorer , microsoft , netscape , mozilla , opera “<a ping>” Jan 17, 2006 6 mozilla , browsers , html , privacy Firebug Jan 12, 2006 5 websites , firebug , mozilla , browsers , dev-tools Firefox Fans Promised Version 1.5 Tonight iai )Nov 29, 2005 4 mozilla , browsers Firefox Takes the Good With the Bad Nov 4, 2005 3 mozilla , browsers Websites Alienate Firefox Users Jun 23, 2005 2 mozilla , browsers Don’t Be Fooled! Keep Internet Explorer at All Cost! plo )Nov 9, 2004 1 internet-explorer , microsoft , mozilla , browsers 