📝 Importing vs fetching JSON JSON imports are now supported cross-browser, but when would you use them rather than fetch()?

Importing vs fetching JSON

They behave differently, so make sure you pick the right one.

I dug into progressive image rendering and found a bunch of common assumptions aren't quite true. ➡️ JPEG & WebP progressive-renders worse in Safari ➡️ AVIF _does_ support progressive ➡️ But JPEG XL in Safari doesn't ➡️ JPEG XL decodes much slower than AVIF ⬇️ …and more

The present and potential future of progressive image rendering

Exploring progressive image rendering across JPEG, PNG, WebP, AVIF, and JPEG XL.

A bunch of Firefox leadership will be doing a Reddit AMA, October 6th, at 10:30 PT. If you have questions you want to ask them directly, pop the date in your calendar https://www.reddit.com/r/firefox/comments/1ntui9x/upcoming_ama_with_firefox_leadership/

SVGOMG has been updated to use SVGO 4! (thanks Adrien Crivelli!) This is the URL for SVGOMG. Unfortunately someone maintains a fork with ads, so, err, don't use that 😀

SVGOMG - SVGO's Missing GUI for minifying SVGs

Hey folks! Are you interested in fetch upload streams? If so, what do you want to use them for?

📝 Making XML human-readable without XSLT. Turns out, JavaScript works pretty well!

Making XML human-readable without XSLT

JavaScript is right there.

Yay! It's the first Firefox release since I've joined the team, so let's take a look at some of the new developer-facing features in Firefox 142… 🧵

View Transitions are enabled by default in Firefox Nightly, so they're on their way to stable. Give it a test with your current transitions, and give me a shout if anything doesn't look right. I'm happy to report the most important transition works perfectly

Demo

Starting my new role on Monday. Could be anywhere.

I hate footnotes, especially on the web, and hopefully by the end of this, you will too.

Give footnotes the boot

I hate footnotes, and hopefully by the end of this, you will too.