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  • MDN Changelog for June 2018

    Our monthly changelog documents what happened in June to the code, data, and tools that support MDN Web Docs site. The team shipped 100+ HTML interactive examples in June. They additional shipped tweaks and fixes by merging 252 pull requests, including 32 pull requests from 26 new contributors. Finally, the ...

  • Dark Theme Darkening: Better Theming for Firefox Quantum

    A team of computer science students from Michigan State University's capstone program went to work on Firefox Quantum’s Theming API. Their goal: Expand upon the existing “lightweight” Theming API in Quantum to allow for more areas of customization. Themes had the ability to alter the appearance of the default toolbars, ...

  • AV1: next generation video – The Constrained Directional Enhancement Filter

    AV1 is a new general-purpose video codec developed by the Alliance for Open Media. The alliance began development of the new codec using Google’s VPX codecs, Cisco’s Thor codec, and Mozilla’s/Xiph.Org’s Daala codec as a starting point. AV1 leapfrogs the performance of VP9 and HEVC, making it a next-next-generation codec. ...

  • Firefox 61 – Quantum of Solstice

    Firefox 61 is now available, bringing new performance improvements that make the fox faster than ever! We're keen on the Retained Display Lists feature to improve performance while an interactive page is painted; the Accessibility Inspector baked in to our tooling to support assistive technology users; more powerful tab management ...

  • Retained Display Lists for improved page performance

    Display list building is the process in which we collect the set of high-level items to display on screen (borders, backgrounds, text and much more), and then sort the list, according to CSS painting rules, into the correct back-to-front order. By retaining the display list and only reloading the assets ...

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