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Shadow DOM and Web Components are enabled by default in Firefox 63 and the Developer Tools are ready for them ! If you are using Web Components in your project, or want to experiment, download Nightly, and check out how we integrated these new technologies into the Inspector and Debugger 🙂 <template> elements, which are useful to create the internal Shadow DOM structure of a custom element, can n

A previous post discussed a planned Firefox Nightly experiment involving secure DNS via the DNS over HTTPS (DoH) protocol. That experiment is now complete and this post discusses the results. Browser users are currently experiencing spying and spoofing of their DNS information due to reliance on the unsecured traditional DNS protocol. A paper from the 2018 Usenix Security Symposium  provides a new

Domain Name Service (DNS) is one of the oldest parts of internet architecture, and remains one that has largely been untouched by efforts to make the web safer and more private.  On the Firefox network and security teams, we’re working to change that by encrypting DNS queries and by testing a service that keeps DNS providers from collecting and sharing your browsing history. For more than 30 years

Improving DevTools’ performance, one iteration at a time Firefox Quantum, released last November, was a very important milestone for Firefox. Huge performance gains were achieved by replacing parts of the engine with bits of Servo, written in Rust.  But the technology shift did not stop at that: the developer tools –the inspector, the console, etc.– are being re-programmed using modern web technol

The doorhanger for an extension-controlled homepage now links to a SUMO article, and the doorhanger for an extension-controlled New Tab page now shows the extension name. We’ve released Facebook Container, a WebExtension that makes it easier for you to keep all of your Facebook activity in a single container. See the blog post for details on how this helps you preserve your privacy! Voice Fill & S

Highlights The App Updater is now using LZMA compression and SHA384 for signing. The release of builds taking advantage of this should be unthrottled today. So far, complete update files are reduced from 19-21%. Three new Test Pilot experiments launched today! Voice Fill allows you to do web searches with your voice and your microphone! Notes gives you a notepad in your sidebar! Send allows you to

In the coming months, we will experiment with providing easy access to optional AI services in Nightly to improve productivity as you browse. This work is part of our improvements … Read more

Firefox DevTools has now a network throttling tool to simulate slow connections, so you can get a rough idea of the user experience under different connection types (bug #1283453). This is extremely important when building responsive sites, which are meant to perform well on many different devices and scenarios. To access this tool, make sure you’re running an updated version of Nightly, then open

Support for async/await has been added in the Nightly build from the 31st of October (bug #1185106). Great stuff! Time to start removing those JavaScript transpilers from your experimental projects, and testing native browser support 😉 Here’s a demo. If your browser supports async/await natively, you will see “YES”.