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Chrome 154 adds support for responsively-sized iframes, letting an iframe size itself based on the intrinsic size of its embedded document.

WebKit for Safari 27 adds full spec compliance for top-level `await`.

The ::scroll-button() CSS pseudo-element represents a button for controlling the scrolling of a scroll container. They are generated on scroll containers when their content value is not none. The dire...

The alpha() CSS function takes an origin color and returns that same color with a modified alpha (transparency) channel. The color components of the origin color are preserved unchanged. The result is...

The reasons read-only property of the NotRestoredReasons interface returns an array of NotRestoredReasonDetails objects, each representing a reason why the navigated page was blocked from using the ba...

A focused, local-first RSS reader.

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Safari Technology Preview Release 253 is now available for download for macOS Golden Gate and macOS Tahoe.

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Léonie Watson's personal website. Writing about the web, accessibility, and other things.

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Introduction to Devframe, a framework for building pluggable, extensible, and playful DevTools.

Ana Tudor published a post on Ko-fi

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I'm worried about the web. I don't want to live in a world where most users of internet-connected devices consume their information and accomplish their tasks via a chat bot interface.

If you've ever written code against a new web API in TypeScript, you've probably seen an error telling you the thing you're using doesn't exist. Turns out, TypeScript intentionally doesn't support all...

Today, I’m proud to announce Homebrew 7.0.0. The most significant changes since 6.0.0 are faster installations and upgrades, stronger sandboxing, a native macOS app, built-in vulnerability checks and ...

Lumos is a component and styling framework for Astro, designed around efficiency, scalability and accessibility. Free and open source.

Discover upcoming web platform features, upvote features you want, and provide structured signals to help browser vendors prioritize.

Zod 4.6 is now available, with .validate() for boolean validation, .properties() on z.instanceof(), and six more JSON Schema keywords.

Could new web storage capabilities help sites preserve temporary state across browser restarts, crashes, and discarded tabs?

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Summary of the various CSS syntaxes, parsing bugs, hacks, bespoke features, and implementations used across browsers and the web to achieve specific goals in the days before browser vendors became more adherent to a single solid specification. Particularly focusing on the non-compliant, bespoke implementations of functionality seen in Microsoft's Internet Explorer.

Revisiting the CSS media queries and environment variables for foldable devices.

Which issue, if any, is this issue related to? Closes #9341 Is there anything in the PR that needs further explanation? Replaces the table and string-width deps (and 11 transitive dependencies) ...

WebDev Bench judges coding agents against the web platform's own standards, not visual fidelity or preference votes. Here is what the foundation phase built, what its first pilot found, and what comes next.

Change orbit-label from visually-hidden to hidden. Elements referenced by aria-labelledby don't need to be in the accessibility tree. This avoids screen readers announcing the visually-hidden t...

web-platform-tests Interop project. Contribute to web-platform-tests/interop development by creating an account on GitHub.

Find secrets with Gitleaks 🔑. Contribute to gitleaks/gitleaks development by creating an account on GitHub.

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