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@media, MathML, and Django 1.11: MDN Changelog for May 2018

Editor’s note: A changelog is “a log or record of all notable changes made to a project. [It] usually includes records of changes such as bug fixes, new features, etc.” Publishing a changelog is kind of a tradition in open source, and a long-time practice on the web. We thought readers of Hacks and...

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A cartoon intro to DNS over HTTPS

Threats to users’ privacy and security are growing. At Mozilla, we closely track these threats. We believe we have a duty to do everything we can to protect Firefox users and their data. We’re taking...

Hacking / Tips - 3 weeks ago

Progressive Web Games

With the recent release of the Progressive Web Apps core guides on MDN, it’s easier than ever to make your website look and feel as responsive as native on mobile devices. But how about games? I...

Hacking / Tips - 1 month ago

New in Firefox 61: Developer Edition

Firefox 61: Developer Edition is available now, and contains a ton of great new features and under-the-hood improvements. A Darker Dark Theme Taking inspiration from Spinal Tap, Developer Edition’s da...

Hacking / Tips - 1 month ago

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Debugging Modern Web Applications

Building and debugging modern JavaScript applications in Firefox DevTools just took a quantum leap forward. In collaboration with Logan Smyth, Tech Lead for Babel, we leveled up the debugger’s source map support to let you inspect the code that you actually wrote. Combined with the ongoing initiativ...

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