prep build 01/17

Author: bph

docs/contributors/versions-in-wordpress.md

@@ -6,6 +6,7 @@ If anything looks incorrect here, please bring it up in #core-editor in [WordPre
 
 | Gutenberg Versions | WordPress Version |
 | ------------------ | ----------------- |
+| 16.2-16.7          | 6.4.2             |
 | 16.2-16.7          | 6.4.1             |
 | 16.2-16.7          | 6.4               |
 | 15.2-16.1          | 6.3.1             |

docs/reference-guides/core-blocks.md

@@ -694,7 +694,7 @@ Give special visual emphasis to a quote from your text. ([Source](https://github
 
 -	**Name:** core/pullquote
 -	**Category:** text
--	**Supports:** align (full, left, right, wide), anchor, color (background, gradients, link, text), typography (fontSize, lineHeight)
+-	**Supports:** align (full, left, right, wide), anchor, color (background, gradients, link, text), spacing (margin, padding), typography (fontSize, lineHeight)
 -	**Attributes:** citation, textAlign, value
 
 ## Query Loop

lib/block-supports/pattern.php

@@ -13,7 +13,8 @@
 	 * @param WP_Block_Type $block_type Block Type.
 	 */
 	function gutenberg_register_pattern_support( $block_type ) {
-		$pattern_support = 'core/paragraph' === $block_type->name ? true : false;
+		global $block_bindings_allowed_blocks;
+		$pattern_support = array_key_exists( $block_type->name, $block_bindings_allowed_blocks );
 
 		if ( $pattern_support ) {
 			if ( ! $block_type->uses_context ) {

lib/block-supports/typography.php

@@ -401,10 +401,18 @@ function gutenberg_get_computed_fluid_typography_value( $args = array() ) {
 		return null;
 	}
 
-	// Build CSS rule.
-	// Borrowed from https://websemantics.uk/tools/responsive-font-calculator/.
+	// Calculates the linear factor denominator. If it's 0, we cannot calculate a fluid value.
+	$linear_factor_denominator = $maximum_viewport_width['value'] - $minimum_viewport_width['value'];
+	if ( empty( $linear_factor_denominator ) ) {
+		return null;
+	}
+
+	/*
+	 * Build CSS rule.
+	 * Borrowed from https://websemantics.uk/tools/responsive-font-calculator/.
+	 */
 	$view_port_width_offset = round( $minimum_viewport_width['value'] / 100, 3 ) . $font_size_unit;
-	$linear_factor          = 100 * ( ( $maximum_font_size['value'] - $minimum_font_size['value'] ) / ( $maximum_viewport_width['value'] - $minimum_viewport_width['value'] ) );
+	$linear_factor          = 100 * ( ( $maximum_font_size['value'] - $minimum_font_size['value'] ) / ( $linear_factor_denominator ) );
 	$linear_factor_scaled   = round( $linear_factor * $scale_factor, 3 );
 	$linear_factor_scaled   = empty( $linear_factor_scaled ) ? 1 : $linear_factor_scaled;
 	$fluid_target_font_size = implode( '', $minimum_font_size_rem ) . " + ((1vw - $view_port_width_offset) * $linear_factor_scaled)";

lib/compat/wordpress-6.5/blocks.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * Temporary compatibility shims for block APIs present in Gutenberg.
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Shim for the `variation_callback` block type argument.
+ *
+ * @param array $args The block type arguments.
+ * @return array The updated block type arguments.
+ */
+function gutenberg_register_block_type_args_shim( $args ) {
+	if ( isset( $args['variation_callback'] ) && is_callable( $args['variation_callback'] ) ) {
+		$args['variations'] = call_user_func( $args['variation_callback'] );
+		unset( $args['variation_callback'] );
+	}
+	return $args;
+}
+
+if ( ! method_exists( 'WP_Block_Type', 'get_variations' ) ) {
+	add_filter( 'register_block_type_args', 'gutenberg_register_block_type_args_shim' );
+}

lib/load.php

@@ -101,6 +101,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/compat/wordpress-6.4/kses.php';
 
 // WordPress 6.5 compat.
+require __DIR__ . '/compat/wordpress-6.5/blocks.php';
 require __DIR__ . '/compat/wordpress-6.5/block-patterns.php';
 require __DIR__ . '/compat/wordpress-6.5/class-wp-navigation-block-renderer.php';
 require __DIR__ . '/compat/wordpress-6.5/kses.php';