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  • How we built Picture-in-Picture in Firefox Desktop with more control over video

    A behind-the-scenes look at the evolution of the Picture-in-Picture player for the Firefox Desktop browser. This feature is now available for MacOS, Linux and Windows users. From the beginning, it's been shaped by your feedback and inputs, with user agency as a core principle of our design and development. The ...

  • Firefox 72 — our first song of 2020

    Though we are moving to a more frequent four-week browser release cycle, the Firefox 72 release is feature-rich and full of goodies. It includes many requested DevTools' updates and improvements. We also introduce Shadow Parts and the CSS Motion Path, and useful new JavaScript features. Plus, Picture-in-picture for video is ...

  • Presenting the MDN Web Developer Needs Assessment (Web DNA) Report

    The first annual MDN Developer Needs Assessment aims to represent the voices of developers and designers working on the web. We've analyzed the data provided by more than 28,000 completed surveys, and we've identified 28 discrete needs, sorted into 14 different themes. Four of the top ten needs relate to ...

  • Mozilla Hacks’ 10 most-read posts of 2019

    Mozilla Hacks covered plenty of interesting territory in 2019. Our most popular posts introduced experiments and special projects, and described the evolution of groundbreaking platform technologies like WebAssembly and WASI. Mozilla WebThings continued to engage attention and adoption. And interest in Firefox releases and Firefox DevTools was stronger than ever. ...

  • Debugging Variables With Watchpoints in Firefox 72

    Have you ever wanted to know where properties on objects are read or set in your code, without having to manually add breakpoints or log statements? Watchpoints are a type of breakpoint that provide an answer to that question. They are new in the updated Debugger, available now in the ...

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