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WordPress 7.1 Adds Built-in Responsive Styling, Browser-Side Image Processing, and New Blocks

Linuxiac 2 hours ago 3 min read ↗ Original

WordPress 7.1 "Mary Lou" introduces built-in responsive styling with per-screen-size block controls, moves image processing to the browser via WebAssembly libvips, adds AVIF and HEIC support, and ships Playlist and Tabs blocks.

WHY IT MATTERS

The shift to browser-side image processing reduces server load for compression, resizing, and thumbnail creation. Responsive styling built into the editor eliminates custom CSS for mobile layouts, and the iframe-isolated Post Editor prevents admin styles from bleeding into content. The expanded Abilities API adds integration hooks relevant to automation and AI tooling.

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The three things worth knowing

WordPress 7.1 moves image processing to the browser using a WebAssembly version of libvips, reducing server workload for compression, resizing, and thumbnail creation.

Built-in responsive styling lets users adjust block appearance per screen size without custom CSS, and block themes can set mobile and tablet breakpoints in theme.json.

The Post Editor now uses an iframe for all themes, isolating admin styles from content rendering, matching the Site Editor's existing approach.

THE CLUSTER

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Linuxiac WordPress 7.1 Released with Responsive Styling and Improved Media Handling 2 hours Open ↗