Direct link to the article What’s !important #4: Videos & View Transitions, Named Media Queries, How Browsers Work, and More

What’s !important #4: Videos & View Transitions, Named Media Queries, How Browsers Work, and More

Neither Chrome, Safari, nor Firefox have shipped new features in the last couple of weeks, but fear not because leading this issue of What’s !important is some of the web development industry’s best educators with, frankly, some killer content.
Daniel Schwarz on
A screenshot showing a web browser displaying an article about Ursula K. Le Guin's writing routine. At the bottom of the browser window, a tooltip reveals a custom URL protocol: Open ia-writer://open?path=notes:2026-01-04T2023.md in a new tab. A red arrow points from text in a markdown editor in the background to this tooltip, illustrating how clicking a web link can open a specific file in the iA Writer application using the custom protocol handler.
Direct link to the article What’s !important #3: Popover Context Menus, @scope, New Web Platform Features, and More

What’s !important #3: Popover Context Menus, @scope, New Web Platform Features, and More

The developer community hasn’t wasted any time kicking off 2026 with some really great articles, demos, and insights. Firefox 147 and Chrome 144 also shipped, and while they’re not jam-packed with features, the releases are still pretty exciting for what’s normally a slow time of year, so without further ado, here’s what’s important from the last couple of weeks (or should I say the first couple of weeks, of 2026?)…
Daniel Schwarz on