Privacy and security | Firefox Help Switch language Skip to search Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article Search Support Firefox Privacy and security Popular Firefox Topics Ask a Question Still need help? Sign in to…

…tiin:calendar Warning: This page will soon be deprecated. Please use whattrainisitnow.com/calendar instead. This schedule is based on the current RapidRelease plan. Future dates may change if the process changes. Code is not always released to users on the same day as the branch …

Security Advisories for Firefox — Mozilla Help us improve your Mozilla experience In addition to Cookies necessary for this site to function, we’d like your permission to set some additional Cookies to better understand your browsing needs and improve your experience. Rest assure…

Browse | Firefox Help Switch language Skip to search Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article Search Support Firefox Browse Filter by product Popular Topics Ask a Question Still need help? Sign in to ask your question…

…mation important to Mozilla users and the Mozilla development and testing community. 31 March 2008 Mozilla Project Celebrates Ten Years Ten years ago today, March 31, 1998, Mozilla was officially launched. It's the date the first Mozilla code became publicly available under the t…

…des navigateurs web décroître d'environ 35 % à 4 % en 2021 (8 % sur PC), au profit notamment de Google Chrome et de Safari . Firefox compte 196 millions d'utilisateurs actifs dans le monde en 2021. Mozilla, qui finance le développement de Firefox, se rémunère par les dons et les …

…des navigateurs web décroître d'environ 35 % à 4 % en 2021 (8 % sur PC), au profit notamment de Google Chrome et de Safari . Firefox compte 196 millions d'utilisateurs actifs dans le monde en 2021. Mozilla, qui finance le développement de Firefox, se rémunère par les dons et les …

Installation and updates | Firefox Help Switch language Skip to search Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article Search Support Firefox Installation and updates Filter by product Popular Topics Ask a Question Still nee…

Android web browser by Mozilla Firefox for Android Developers Initial release March 29, 2011 ; 15 years ago ( 2011-03-29 ) [ 1 ] 150.0 (April 21, 2026 ; 5 days ago ( 2026-04-21 ) [ 2 ] ) [±] Beta 151.0b2 [ 3 ] / April 24, 2026 ; 2 days ago ( 2026-04-24 ) Nightly 152.0a1 [ 4 ] / A…

…ndard XMLHttpRequest Living Standard — Last Updated 15 March 2026 Participate: GitHub whatwg/xhr new issue open issues Chat on Matrix Commits: GitHub whatwg/xhr/commits Snapshot as of this commit @xhrstandard Tests: web-platform-tests xhr/ ongoing work Translations (non-normative…

…es and Values Module Level 1 CSS Logical Properties and Values Module Level 1 Editor’s Draft 12 December 2025 More details about this document This version: Latest published version: Previous Versions: Feedback: CSSWG Issues Repository Inline In Spec Editors: Rossen Atanassov Mic…

…es and Values Module Level 1 CSS Logical Properties and Values Module Level 1 Editor’s Draft 12 December 2025 More details about this document This version: Latest published version: Previous Versions: Feedback: CSSWG Issues Repository Inline In Spec Editors: Rossen Atanassov Mic…

…texts 4.12.5.1.10 Fill and stroke styles 4.12.5.1.11 Drawing rectangles to the bitmap 4.12.5.1.12 Drawing text to the bitmap 4.12.5.1.13 Drawing paths to the canvas 4.12.5.1.14 Drawing focus rings 4.12.5.1.15 Drawing images 4.12.5.1.16 Pixel manipulation 4.12.5.1.17 Compositing 4…

…texts 4.12.5.1.10 Fill and stroke styles 4.12.5.1.11 Drawing rectangles to the bitmap 4.12.5.1.12 Drawing text to the bitmap 4.12.5.1.13 Drawing paths to the canvas 4.12.5.1.14 Drawing focus rings 4.12.5.1.15 Drawing images 4.12.5.1.16 Pixel manipulation 4.12.5.1.17 Compositing 4…

…rerpolicy HTMLAreaElement article Self-contained syndicatable or reusable composition flow sectioning palpable flow flow globals HTMLElement aside Sidebar for tangentially related content flow sectioning palpable flow flow globals HTMLElement audio Audio player flow phrasing embe…