[pull] trunk from WordPress:trunk

.github/ISSUE_TEMPLATE/Bug_report.yml

@@ -1,6 +1,6 @@
 name: Bug report
 description: Report a bug with the WordPress block editor or Gutenberg plugin
-title: '<title>'
+title: ''
 body:
     - type: markdown
       attributes:
@@ -49,10 +49,25 @@ body:
       validations:
           required: false
 
-    - type: checkboxes
+    - type: dropdown
+      id: existing
       attributes:
-          label: Pre-checks
-          description: Please check if the bug has already been reported by searching https://github.com/WordPress/gutenberg/issues and make sure the bug is not related to another plugin.
+          label: Please confirm that you have searched existing issues in the repo.
+          description: You can do this by searching https://github.com/WordPress/gutenberg/issues and making sure the bug is not related to another plugin.
+          multiple: true
           options:
-              - label: I have searched the existing issues.
-              - label: I have tested with all plugins deactivated except Gutenberg.
+             - 'Yes'
+             - 'No'
+      validations:
+          required: true
+
+    - type: dropdown
+      id: plugins
+      attributes:
+          label: Please confirm that you have tested with all plugins deactivated except Gutenberg.
+          multiple: true
+          options:
+             - 'Yes'
+             - 'No'
+      validations:
+          required: true

lib/navigation-page.php

@@ -41,7 +41,10 @@ function gutenberg_navigation_init( $hook ) {
 	$settings = array_merge(
 		gutenberg_get_default_block_editor_settings(),
 		array(
-			'blockNavMenus' => get_theme_support( 'block-nav-menus' ),
+			'blockNavMenus' => false,
+			// We should uncomment the line below when the block-nav-menus feature becomes stable.
+			// @see https://github.com/WordPress/gutenberg/issues/34265.
+			/*'blockNavMenus' => get_theme_support( 'block-nav-menus' ),*/
 		)
 	);
 	$settings = gutenberg_experimental_global_styles_settings( $settings );

lib/navigation.php

@@ -152,7 +152,10 @@ function gutenberg_output_block_nav_menu_item( $item_output, $item, $depth, $arg
  * @return array Updated menu items, sorted by each menu item's menu order.
  */
 function gutenberg_remove_block_nav_menu_items( $menu_items ) {
-	if ( current_theme_supports( 'block-nav-menus' ) ) {
+	// We should uncomment the line below when the block-nav-menus feature becomes stable.
+	// @see https://github.com/WordPress/gutenberg/issues/34265.
+	/*if ( current_theme_supports( 'block-nav-menus' ) ) {*/
+	if ( false ) {
 		return $menu_items;
 	}
 
@@ -246,7 +249,10 @@ function gutenberg_convert_menu_items_to_blocks(
  * @return string|null Nav menu output to short-circuit with.
  */
 function gutenberg_output_block_nav_menu( $output, $args ) {
-	if ( ! current_theme_supports( 'block-nav-menus' ) ) {
+	// We should uncomment the line below when the block-nav-menus feature becomes stable.
+	// @see https://github.com/WordPress/gutenberg/issues/34265.
+	/*if ( ! current_theme_supports( 'block-nav-menus' ) ) {*/
+	if ( true ) {
 		return null;
 	}
 

packages/block-editor/src/components/use-setting/index.js

@@ -7,6 +7,7 @@ import { get } from 'lodash';
  * WordPress dependencies
  */
 import { useSelect } from '@wordpress/data';
+import { __EXPERIMENTAL_PATHS_WITH_MERGE as PATHS_WITH_MERGE } from '@wordpress/blocks';
 
 /**
  * Internal dependencies
@@ -49,13 +50,6 @@ const deprecatedFlags = {
 	'spacing.customPadding': ( settings ) => settings.enableCustomSpacing,
 };
 
-const PATHS_WITH_MERGE = {
-	'color.gradients': true,
-	'color.palette': true,
-	'typography.fontFamilies': true,
-	'typography.fontSizes': true,
-};
-
 /**
  * Hook that retrieves the editor setting.
  * It works with nested objects using by finding the value at path.

packages/block-library/src/button/style.scss

@@ -14,7 +14,7 @@ $blocks-block__margin: 0.5em;
 	padding: calc(0.667em + 2px) calc(1.333em + 2px); // The extra 2px are added to size solids the same as the outline versions.
 	text-align: center;
 	text-decoration: none;
-	overflow-wrap: break-word;
+	word-break: break-word; // overflow-wrap doesn't work well if a link is wrapped in the div, so use word-break here.
 	box-sizing: border-box;
 
 	&:hover,

packages/block-library/src/embed/edit.native.js

@@ -32,6 +32,10 @@ import {
 import { store as coreStore } from '@wordpress/core-data';
 import { View } from '@wordpress/primitives';
 
+// The inline preview feature will be released progressible, for this reason
+// the embed will only be considered previewable for the following providers list.
+const PREVIEWABLE_PROVIDERS = [ 'youtube', 'twitter' ];
+
 const EmbedEdit = ( props ) => {
 	const {
 		attributes: { align, providerNameSlug, previewable, responsive, url },
@@ -243,7 +247,12 @@ const EmbedEdit = ( props ) => {
 							label={ title }
 							onFocus={ onFocus }
 							preview={ preview }
-							previewable={ previewable }
+							previewable={
+								previewable &&
+								PREVIEWABLE_PROVIDERS.includes(
+									providerNameSlug
+								)
+							}
 							type={ type }
 							url={ url }
 						/>

packages/block-library/src/embed/embed-preview.native.js

@@ -123,19 +123,16 @@ const EmbedPreview = ( {
 			disabled={ ! isSelected }
 		>
 			<View>
-				{
-					// eslint-disable-next-line no-undef
-					__DEV__ && previewable ? (
-						embedWrapper
-					) : (
-						<EmbedNoPreview
-							label={ label }
-							icon={ icon }
-							isSelected={ isSelected }
-							onPress={ () => setIsCaptionSelected( false ) }
-						/>
-					)
-				}
+				{ previewable ? (
+					embedWrapper
+				) : (
+					<EmbedNoPreview
+						label={ label }
+						icon={ icon }
+						isSelected={ isSelected }
+						onPress={ () => setIsCaptionSelected( false ) }
+					/>
+				) }
 				<BlockCaption
 					accessibilityLabelCreator={ accessibilityLabelCreator }
 					accessible

packages/block-library/src/embed/style.scss

@@ -21,6 +21,7 @@
 
 .wp-block-embed {
 	margin: 0 0 1em 0;
+	overflow-wrap: break-word; // Break long strings of text without spaces so they don't overflow the block.
 
 	// Supply caption styles to embeds, even if the theme hasn't opted in.
 	// Reason being: the new markup, figcaptions, are not likely to be styled in the majority of existing themes,

packages/block-library/src/heading/style.scss

@@ -4,6 +4,9 @@ h3,
 h4,
 h5,
 h6 {
+	// Break long strings of text without spaces so they don't overflow the block.
+	overflow-wrap: break-word;
+
 	&.has-background {
 		padding: $block-bg-padding--v $block-bg-padding--h;
 	}

packages/block-library/src/list/style.scss

@@ -1,4 +1,9 @@
-ol.has-background,
-ul.has-background {
-	padding: $block-bg-padding--v $block-bg-padding--h;
+ol,
+ul {
+	// Break long strings of text without spaces so they don't overflow the block.
+	overflow-wrap: break-word;
+
+	&.has-background {
+		padding: $block-bg-padding--v $block-bg-padding--h;
+	}
 }

packages/block-library/src/navigation/editor.scss

@@ -11,6 +11,13 @@
 		margin-left: 0;
 		padding-left: 0;
 	}
+
+	// Revert any left/right margins.
+	// This also makes it work with classic theme auto margins.
+	.wp-block-navigation-item.wp-block {
+		margin-left: revert;
+		margin-right: revert;
+	}
 }
 
 // This element is inline on the frontend but needs to be editable, therefore inline-block, in the editor.