Release speculation-rules 1.2.1

[westonruter]

• Bump versions in readme.txt and load.php
• npm run since -- -p speculation-rules -r 1.2.1
• npm run changelog -- --milestone="speculation-rules 1.2.1"
• Update readme documentation

[github-actions]

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Co-authored-by: westonruter <westonruter@git.wordpress.org>
Co-authored-by: mukeshpanchal27 <mukesh27@git.wordpress.org>
Co-authored-by: adamsilverstein <adamsilverstein@git.wordpress.org>

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

[westonruter]

Build for testing: speculation-rules.zip

Build command:

npm run build:plugin:speculation-rules; 
cd build; 
zip -r speculation-rules.zip speculation-rules

Diff of changes via:

git diff 3.0.0...plugin-release/speculation-rules-1.2.1 -- plugins/speculation-rules

diff --git a/plugins/speculation-rules/helper.php b/plugins/speculation-rules/helper.php
index d210edb1..804ab63f 100644
--- a/plugins/speculation-rules/helper.php
+++ b/plugins/speculation-rules/helper.php
@@ -42,6 +42,7 @@ function plsr_get_speculation_rules() {
 	$base_href_exclude_paths = array(
 		$prefixer->prefix_path_pattern( '/wp-login.php', 'site' ),
 		$prefixer->prefix_path_pattern( '/wp-admin/*', 'site' ),
+		$prefixer->prefix_path_pattern( '/*\\?*(^|&)_wpnonce=*', 'site' ),
 	);
 	$href_exclude_paths      = $base_href_exclude_paths;
 
@@ -77,7 +78,7 @@ function plsr_get_speculation_rules() {
 			'source'    => 'document',
 			'where'     => array(
 				'and' => array(
-					// Prerender any URLs within the same site.
+					// Include any URLs within the same site.
 					array(
 						'href_matches' => $prefixer->prefix_path_pattern( '/*' ),
 					),
@@ -87,6 +88,12 @@ function plsr_get_speculation_rules() {
 							'href_matches' => $href_exclude_paths,
 						),
 					),
+					// Also exclude rel=nofollow links, as plugins like WooCommerce use that on their add-to-cart links.
+					array(
+						'not' => array(
+							'selector_matches' => 'a[rel=nofollow]',
+						),
+					),
 				),
 			),
 			'eagerness' => $eagerness,
diff --git a/plugins/speculation-rules/load.php b/plugins/speculation-rules/load.php
index 37156cf3..c0d77702 100644
--- a/plugins/speculation-rules/load.php
+++ b/plugins/speculation-rules/load.php
@@ -4,8 +4,8 @@
  * Plugin URI: https://github.com/WordPress/performance/tree/trunk/plugins/speculation-rules
  * Description: Enables browsers to speculatively prerender or prefetch pages when hovering over links.
  * Requires at least: 6.4
- * Requires PHP: 7.0
- * Version: 1.2.0
+ * Requires PHP: 7.2
+ * Version: 1.2.1
  * Author: WordPress Performance Team
  * Author URI: https://make.wordpress.org/performance/
  * License: GPLv2 or later
@@ -25,7 +25,8 @@ if ( defined( 'SPECULATION_RULES_VERSION' ) ) {
 	return;
 }
 
-define( 'SPECULATION_RULES_VERSION', '1.2.0' );
+define( 'SPECULATION_RULES_VERSION', '1.2.1' );
+define( 'SPECULATION_RULES_MAIN_FILE', plugin_basename( __FILE__ ) );
 
 require_once __DIR__ . '/class-plsr-url-pattern-prefixer.php';
 require_once __DIR__ . '/helper.php';
diff --git a/plugins/speculation-rules/readme.txt b/plugins/speculation-rules/readme.txt
index c6f6dd19..2cde137c 100644
--- a/plugins/speculation-rules/readme.txt
+++ b/plugins/speculation-rules/readme.txt
@@ -3,8 +3,8 @@
 Contributors:      wordpressdotorg
 Requires at least: 6.4
 Tested up to:      6.5
-Requires PHP:      7.0
-Stable tag:        1.2.0
+Requires PHP:      7.2
+Stable tag:        1.2.1
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 Tags:              performance, javascript, speculation rules, prerender, prefetch
@@ -19,7 +19,7 @@ See the [Speculation Rules WICG specification draft](https://wicg.github.io/nav-
 
 By default, the plugin is configured to prerender WordPress frontend URLs when the user hovers over a relevant link. This can be customized via the "Speculative Loading" section under _Settings > Reading_.
 
-A filter can be used to exclude certain URL paths from being eligible for prefetching and prerendering (see FAQ section). Alternatively, you can add the 'no-prerender' CSS class to any link (`<a>` tag) that should not be prerendered.
+A filter can be used to exclude certain URL paths from being eligible for prefetching and prerendering (see FAQ section). Alternatively, you can add the 'no-prerender' CSS class to any link (`<a>` tag) that should not be prerendered. See FAQ for more information.
 
 = Browser support =
 
@@ -50,7 +50,7 @@ _This plugin was formerly known as Speculation Rules._
 
 = How can I prevent certain URLs from being prefetched and prerendered? =
 
-Not every URL can be reasonably prerendered. Prerendering static content is typically reliable, however prerendering interactive content, such as a logout URL, can lead to issues. For this reason, certain WordPress core URLs such as `/wp-login.php` and `/wp-admin/*` are excluded from prefetching and prerendering. You can exclude additional URL patterns by using the `plsr_speculation_rules_href_exclude_paths` filter.
+Not every URL can be reasonably prerendered. Prerendering static content is typically reliable, however prerendering interactive content, such as a logout URL, can lead to issues. For this reason, certain WordPress core URLs such as `/wp-login.php` and `/wp-admin/*` are excluded from prefetching and prerendering. Additionally, any URL generated with `wp_nonce_url()` (or which contain the `_wpnonce` query var) is also ignored. You can exclude additional URL patterns by using the `plsr_speculation_rules_href_exclude_paths` filter.
 
 This example would ensure that URLs like `https://example.com/cart/` or `https://example.com/cart/foo` would be excluded from prefetching and prerendering.
 `
@@ -86,6 +86,8 @@ add_filter(
 );
 `
 
+As mentioned above, adding the `no-prerender` CSS class to a link will prevent it from being prerendered (but not prefetched). Additionally, links with `rel=nofollow` will neither be prefetched nor prerendered because some plugins add this to non-idempotent links (e.g. add to cart); such links ideally should rather be buttons which trigger a POST request or at least they should use `wp_nonce_url()`.
+
 = Where can I submit my plugin feedback? =
 
 Feedback is encouraged and much appreciated, especially since this plugin may contain future WordPress core features. If you have suggestions or requests for new features, you can [submit them as an issue in the WordPress Performance Team's GitHub repository](https://github.com/WordPress/performance/issues/new/choose). If you need help with troubleshooting or have a question about the plugin, please [create a new topic on our support forum](https://wordpress.org/support/plugin/speculation-rules/#new-topic-0).
@@ -102,6 +104,18 @@ Contributions are always welcome! Learn more about how to get involved in the [C
 
 == Changelog ==
 
+= 1.2.1 =
+
+**Enhancements**
+
+* Add settings link to Speculative Loading plugin action links. ([1145](https://github.com/WordPress/performance/pull/1145))
+* Bump minimum PHP version to 7.2. ([1130](https://github.com/WordPress/performance/pull/1130))
+
+**Bug Fixes**
+
+* Exclude _wpnonce URLs in speculation rules. ([1143](https://github.com/WordPress/performance/pull/1143))
+* Exclude rel=nofollow links from prefetch/prerender. ([1142](https://github.com/WordPress/performance/pull/1142))
+
 = 1.2.0 =
 
 * Add missing uninstall.php to remove plugin's database option. ([1128](https://github.com/WordPress/performance/pull/1128))
diff --git a/plugins/speculation-rules/settings.php b/plugins/speculation-rules/settings.php
index 9b10007b..1c39a9f6 100644
--- a/plugins/speculation-rules/settings.php
+++ b/plugins/speculation-rules/settings.php
@@ -149,7 +149,11 @@ function plsr_add_setting_ui() {
 			</p>
 			<?php
 		},
-		'reading'
+		'reading',
+		array(
+			'before_section' => '<div id="speculative-loading">',
+			'after_section'  => '</div>',
+		)
 	);
 
 	$fields = array(
@@ -236,3 +240,29 @@ function plsr_render_settings_field( array $args ) {
 	</fieldset>
 	<?php
 }
+
+/**
+ * Adds a settings link to the plugin's action links.
+ *
+ * @since 1.2.1
+ *
+ * @param string[]|mixed $links An array of plugin action links.
+ * @return string[]|mixed The modified list of actions.
+ */
+function plsr_add_settings_action_link( $links ) {
+	if ( ! is_array( $links ) ) {
+		return $links;
+	}
+
+	return array_merge(
+		array(
+			'settings' => sprintf(
+				'<a href="%1$s">%2$s</a>',
+				esc_url( admin_url( 'options-reading.php#speculative-loading' ) ),
+				esc_html__( 'Settings', 'speculation-rules' )
+			),
+		),
+		$links
+	);
+}
+add_filter( 'plugin_action_links_' . SPECULATION_RULES_MAIN_FILE, 'plsr_add_settings_action_link' );

[adamsilverstein]

Spectacular

[westonruter]

1.2.1 is now released: https://wordpress.org/plugins/speculation-rules/