Featured Articles
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Porting Firefox to Apple Silicon
The release of Apple Silicon-based Macs at the end of last year generated a flurry of news coverage and some surprises at the machine’s performance. This post details some background information on the experience of porting Firefox to run natively on these CPUs.
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Improving Cross-Browser Testing, Part 2: New Automation Features in Firefox Nightly
It’s clear that WebDriver needs to grow to meet the capabilities of DevTools-based automation. However, that process will take time, and we want more developers to be able to run their automated tests in Firefox today. To that end, we have shipped an experimental implementation of parts of CDP in Firefox Nightly, specifically targeting the use cases of end-to-end testing using Google’s Puppeteer, and the CDP-based features of Selenium 4.
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2020 MDN Web Developer Needs Assessment now available
The 2020 MDN Web Developer Needs Assessment (DNA) report is now available! This post takes you through what we’ve accomplished in 2020 based on the findings in the inaugural report, key takeaways of the 2020 survey, and what our next steps are as a result.
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And now for … Firefox 84
As December ushers in the final curtain for this rather eventful year, there is time left for one more Firefox version to be given its wings. Firefox 84 includes some interesting new features including tab order inspection, complex selector support in :not(), the PerformancePaintTiming API, and more!
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Welcome Yari: MDN Web Docs has a new platform
After several intense months of work on such a significant change, the day is finally upon us: MDN Web Docs’ new platform (codenamed Yari) is finally launched!
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An update on MDN Web Docs’ localization strategy
In our previous post — MDN Web Docs evolves! Lowdown on the upcoming new platform — we talked about many aspects of the new MDN Web Docs platform that we’re launching on December 14th. In this post, we’ll look at one aspect in more detail — how we are handling localization going forward. We’ll talk about how our thinking has changed since our previous post, and detail our updated course of action.
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Flying the Nest: WebThings Gateway 1.0
After four years of incubation at Mozilla, we are excited to announce the release of WebThings Gateway 1.0 and a new home for the WebThings platform. This blog post will explain what to expect from the 1.0 release, the action you need to take if you want to transition your existing WebThings Gateway to new community-run infrastructure, and what to expect from the WebThings project going forward.
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Firefox 83 is upon us
Did November spawn a monster this year? In truth, November has given us a few snippets of good news, far from the least of which is the launch of Firefox 83! In this release we’ve got a few nice additions, including Conical CSS gradients, overflow debugging in the Developer Tools, enabling of WebRender across more platforms, and more besides.
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Coming through with Firefox 82
As October ushers in the tail-end of the year, we are pushing Firefox 82 out the door. This time around we finally enable support for the Media Session API, provide some new CSS pseudo-selector behaviours, close some security loopholes involving the Window.name property, and provide inspection for server-sent events in our developer tools.
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A New Backend for Cranelift, Part 1: Instruction Selection
This post will describe my recent work on Cranelift as part of my day job at Mozilla. In this post, I will set some context and describe the instruction selection problem. In particular, I’ll talk about a revamp to the instruction selector and backend framework in general that we’ve been working on.