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Allow post template responsive grid styles to be unset in the UI #76714

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Allow post template responsive grid styles to be unset in the UI #76714

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79d78e2
Allow post template responsive grid styles to be unset in the UI
tellthemachines Mar 20, 2026
0c1456a
try back compat with a new attribute flag
tellthemachines Mar 20, 2026
b59c48e
use fastdeepequal
tellthemachines Apr 16, 2026
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1 change: 1 addition & 0 deletions docs/reference-guides/core-blocks.md
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Expand Up @@ -754,6 +754,7 @@ Contains the block elements used to render a post, like the title, date, feature
- **Category:** theme
- **Ancestor:** core/query
- **Supports:** align (full, wide), anchor, color (background, gradients, link, text), interactivity (clientNavigation), layout, spacing (blockGap, margin, padding), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
- **Attributes:** hasOptionalResponsiveGrid

## Post Terms

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5 changes: 5 additions & 0 deletions packages/block-library/src/post-template/block.json
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Expand Up @@ -16,6 +16,11 @@
"enhancedPagination",
"postType"
],
"attributes": {
"hasOptionalResponsiveGrid": {
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@ramonjd ramonjd Mar 20, 2026

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Just so I understand, when true, this attribute means something like "this block should not use the old behavior" (adds :not(.has-optional-responsive-grid))?

Is hasOptionalResponsiveGrid purely for internal/backwards compatibility, or will it relate to a user-facing toggle later?

If for the latter, I think the naming makes sense since it sounds like user facing controls. 👍🏻

If not, maybe hasCustomizedGridLayout to described the state?

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@tellthemachines tellthemachines Apr 16, 2026

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Purely internal but it is linked to an added classname so best if they both match. Not sure where we should classify classnames as user facing though 😄

Ideally the name describes the purpose of the attribute/class but I'm pretty terrible at naming lol. hasUpdatedResponsiveGrid may be better? I doubt we'll use this attribute in any other block because the problem is specific to post template.

"type": "boolean"
}
},
"supports": {
"anchor": true,
"reusable": false,
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41 changes: 39 additions & 2 deletions packages/block-library/src/post-template/edit.js
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Expand Up @@ -2,11 +2,12 @@
* External dependencies
*/
import clsx from 'clsx';
import fastDeepEqual from 'fast-deep-equal/es6/index.js';

/**
* WordPress dependencies
*/
import { memo, useMemo, useState } from '@wordpress/element';
import { memo, useEffect, useMemo, useRef, useState } from '@wordpress/element';
import { useSelect } from '@wordpress/data';
import { __, _x } from '@wordpress/i18n';
import {
Expand Down Expand Up @@ -113,10 +114,12 @@ export default function PostTemplateEdit( {
templateSlug,
previewPostType,
},
attributes: { layout },
attributes: { layout, hasOptionalResponsiveGrid },
__unstableLayoutClassNames,
} ) {
const { type: layoutType, columnCount = 3 } = layout || {};
const previousLayoutRef = useRef( layout );
const isFirstRenderRef = useRef( true );
const [ activeBlockContextId, setActiveBlockContextId ] = useState();
const { posts, blocks } = useSelect(
( select ) => {
Expand Down Expand Up @@ -281,9 +284,42 @@ export default function PostTemplateEdit( {
className: clsx( __unstableLayoutClassNames, {
[ `columns-${ columnCount }` ]:
layoutType === 'grid' && columnCount, // Ensure column count is flagged via classname for backwards compatibility.
'has-optional-responsive-grid':
layoutType === 'grid' && hasOptionalResponsiveGrid,
} ),
} );

useEffect( () => {
if ( isFirstRenderRef.current ) {
isFirstRenderRef.current = false;
previousLayoutRef.current = layout;

return;
}

const hasLayoutChanged = ! fastDeepEqual(
previousLayoutRef.current,
layout
);

if (
hasLayoutChanged &&
layoutType === 'grid' &&
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@ramonjd ramonjd Mar 20, 2026

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So if I change my columns count from 3 to 4 or interact with the grid in any way, I'm flipped from the legacy behaviour, right?

layout?.columnCount &&
! hasOptionalResponsiveGrid
) {
setAttributes( { hasOptionalResponsiveGrid: true } );
} else if (
hasLayoutChanged &&
( layoutType !== 'grid' || ! layout?.columnCount ) &&
hasOptionalResponsiveGrid
) {
setAttributes( { hasOptionalResponsiveGrid: undefined } );
}

previousLayoutRef.current = layout;
}, [ hasOptionalResponsiveGrid, layout, layoutType, setAttributes ] );
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@ramonjd ramonjd Mar 20, 2026

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A bit weird that exhaustive-deps required layoutType when it's a prop of layout anyway.

Oh well


if ( ! posts ) {
return (
<p { ...blockProps }>
Expand Down Expand Up @@ -315,6 +351,7 @@ export default function PostTemplateEdit( {
setDisplayLayout( {
type: 'grid',
columnCount,
minimumColumnWidth: '12rem',
} ),
isActive: layoutType === 'grid',
},
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4 changes: 4 additions & 0 deletions packages/block-library/src/post-template/index.php
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Expand Up @@ -93,6 +93,10 @@ function render_block_core_post_template( $attributes, $content, $block ) {
// Ensure backwards compatibility by flagging the number of columns via classname when using grid layout.
if ( isset( $attributes['layout']['type'] ) && 'grid' === $attributes['layout']['type'] && ! empty( $attributes['layout']['columnCount'] ) ) {
$classnames .= ' ' . sanitize_title( 'columns-' . $attributes['layout']['columnCount'] );

if ( ! empty( $attributes['hasOptionalResponsiveGrid'] ) ) {
$classnames .= ' has-optional-responsive-grid';
}
}

$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => trim( $classnames ) ) );
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7 changes: 4 additions & 3 deletions packages/block-library/src/post-template/style.scss
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Expand Up @@ -32,9 +32,9 @@
}
}

@media ( max-width: $break-small ) {
// Temporary specificity bump until "wp-container" layout specificity is revisited.
.wp-block-post-template-is-layout-grid.wp-block-post-template-is-layout-grid.wp-block-post-template-is-layout-grid.wp-block-post-template-is-layout-grid {
// Legacy fallback for older grid layouts before responsive behaviour was implemented.
@media (max-width: $break-small) {
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@ramonjd ramonjd Mar 20, 2026

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Nit: reinstate spaces @media ( max-width: $break-small )

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@tellthemachines tellthemachines Apr 16, 2026

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We don't use spaces in scss files though. If there's anywhere we do it's an accident.

.wp-block-post-template-is-layout-grid[class*="columns-"]:not(.has-optional-responsive-grid) {
grid-template-columns: 1fr;
}
}
Expand All @@ -58,3 +58,4 @@
margin-inline-start: auto;
margin-inline-end: auto;
}

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