Plugin: Bump minimum WordPress version to 5.3 (#20628)

* Plugin: Bump minimum WordPress version to 5.3

* Compat: Remove gutenberg_safe_style_css_column_flex_basis

* Remove overriding of lodash script

* Remove overriding of react and react-dom scripts

* Explain emptying of gutenberg_register_vendor_scripts

* Appease phpcs

gutenberg.php

@@ -99,7 +99,7 @@ function gutenberg_menu() {
 function gutenberg_wordpress_version_notice() {
 	echo '<div class="error"><p>';
 	/* translators: %s: Minimum required version */
-	printf( __( 'Gutenberg requires WordPress %s or later to function properly. Please upgrade WordPress before activating Gutenberg.', 'gutenberg' ), '5.2.0' );
+	printf( __( 'Gutenberg requires WordPress %s or later to function properly. Please upgrade WordPress before activating Gutenberg.', 'gutenberg' ), '5.3.0' );
 	echo '</p></div>';
 
 	deactivate_plugins( array( 'gutenberg/gutenberg.php' ) );
@@ -134,7 +134,7 @@ function gutenberg_pre_init() {
 	// Strip '-src' from the version string. Messes up version_compare().
 	$version = str_replace( '-src', '', $wp_version );
 
-	if ( version_compare( $version, '5.2.0', '<' ) ) {
+	if ( version_compare( $version, '5.3.0', '<' ) ) {
 		add_action( 'admin_notices', 'gutenberg_wordpress_version_notice' );
 		return;
 	}

lib/client-assets.php

@@ -205,38 +205,17 @@ function gutenberg_override_style( &$styles, $handle, $src, $deps = array(), $ve
  *
  * @param WP_Scripts $scripts WP_Scripts instance (passed by reference).
  */
-function gutenberg_register_vendor_scripts( &$scripts ) {
-	$suffix = SCRIPT_DEBUG ? '' : '.min';
-
-	// Vendor Scripts.
-	$react_suffix = ( SCRIPT_DEBUG ? '.development' : '.production' ) . $suffix;
-
-	// TODO: Overrides for react, react-dom and lodash are necessary
-	// until WordPress 5.3 is released.
-	gutenberg_register_vendor_script(
-		$scripts,
-		'react',
-		'https://unpkg.com/[email protected]/umd/react' . $react_suffix . '.js',
-		array( 'wp-polyfill' ),
-		'16.9.0',
-		true
-	);
-	gutenberg_register_vendor_script(
-		$scripts,
-		'react-dom',
-		'https://unpkg.com/[email protected]/umd/react-dom' . $react_suffix . '.js',
-		array( 'react' ),
-		'16.9.0',
-		true
-	);
-	gutenberg_register_vendor_script(
-		$scripts,
-		'lodash',
-		'https://unpkg.com/[email protected]/lodash' . $suffix . '.js',
-		array(),
-		'4.17.15',
-		true
-	);
+function gutenberg_register_vendor_scripts( &$scripts ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
+	// This function is intentionally left empty.
+	//
+	// Scripts such as react and react-dom are expected to be overridden soon,
+	// and it is preferred to keep this function in place so as not to disturb
+	// tooling related to the plugin build process.
+	//
+	// TODO: Remove phpcs exception in function signature once this function
+	// regains its use.
+	//
+	// See https://github.com/WordPress/gutenberg/pull/20628.
 }
 add_action( 'wp_default_scripts', 'gutenberg_register_vendor_scripts' );
 
@@ -627,57 +606,6 @@ function gutenberg_extend_block_editor_styles( $settings ) {
 }
 add_filter( 'block_editor_settings', 'gutenberg_extend_block_editor_styles' );
 
-/**
- * Extends block editor preload paths to preload additional data. Note that any
- * additions here should be complemented with a corresponding core ticket to
- * reconcile the change upstream for future removal from Gutenberg.
- *
- * @param array   $preload_paths Array of paths to preload.
- * @param WP_Post $post          Post being edited.
- *
- * @return array Filtered array of paths to preload.
- */
-function gutenberg_extend_block_editor_preload_paths( $preload_paths, $post ) {
-	/*
-	 * Preload any autosaves for the post. (see https://github.com/WordPress/gutenberg/pull/7945)
-	 *
-	 * Trac ticket: https://core.trac.wordpress.org/ticket/46974
-	 *
-	 * At the time of writing, the change is not committed or released
-	 * in core. This path should be removed from Gutenberg when the code is
-	 * released in core, and the corresponding release version becomes
-	 * the minimum supported version.
-	 */
-	$post_type_object = get_post_type_object( $post->post_type );
-
-	if ( isset( $post_type_object ) ) {
-		$rest_base      = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
-		$autosaves_path = sprintf( '/wp/v2/%s/%d/autosaves?context=edit', $rest_base, $post->ID );
-
-		if ( ! in_array( $autosaves_path, $preload_paths, true ) ) {
-			$preload_paths[] = $autosaves_path;
-		}
-	}
-
-	/*
-	 * Used in considering user permissions for creating and updating blocks,
-	 * as condition for displaying relevant actions in the interface.
-	 *
-	 * Trac ticket: https://core.trac.wordpress.org/ticket/46429
-	 *
-	 * This is present in WordPress 5.2 and should be removed from Gutenberg
-	 * once WordPress 5.2 is the minimum supported version.
-	 */
-	$blocks_path = array( '/wp/v2/blocks', 'OPTIONS' );
-
-	if ( ! in_array( $blocks_path, $preload_paths, true ) ) {
-		$preload_paths[] = $blocks_path;
-	}
-
-	return $preload_paths;
-}
-add_filter( 'block_editor_preload_paths', 'gutenberg_extend_block_editor_preload_paths', 10, 2 );
-
 /**
  * Extends block editor settings to include a list of image dimensions per size.
  *

lib/compat.php

@@ -8,28 +8,6 @@
  * @package gutenberg
  */
 
-/**
- * Filters allowed CSS attributes to include `flex-basis`, included in saved
- * markup of the Column block.
- *
- * This can be removed when plugin support requires WordPress 5.3.0+.
- *
- * @see https://core.trac.wordpress.org/ticket/47281
- * @see https://core.trac.wordpress.org/changeset/45363
- *
- * @since 5.7.0
- *
- * @param string[] $attr Array of allowed CSS attributes.
- *
- * @return string[] Filtered array of allowed CSS attributes.
- */
-function gutenberg_safe_style_css_column_flex_basis( $attr ) {
-	$attr[] = 'flex-basis';
-
-	return $attr;
-}
-add_filter( 'safe_style_css', 'gutenberg_safe_style_css_column_flex_basis' );
-
 /**
  * Adds a polyfill for the WHATWG URL in environments which do not support it.
  * The intention in how this action is handled is under the assumption that this

readme.txt

@@ -1,6 +1,6 @@
 === Gutenberg ===
 Contributors: matveb, joen, karmatosed
-Requires at least: 5.2.0
+Requires at least: 5.3.0
 Tested up to: 5.3
 Stable tag: V.V.V
 License: GPLv2 or later