@developer.mozilla.org on Bluesky

JavaScript RequiredThis is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.social and atproto.com.

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developer.mozilla.org

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🦊 Firefox 150: <img sizes="auto"> is now supported. Lazy-loaded images use their calculated layout size to select from srcset — no more duplicating media queries in HTML. Read Now 👇 https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/150

2026-05-12T15:00:25.765Z