Updates to 6.7.0.2

Updates to 6.7.0.1
Updates to 6.7.0
2025-12-12 10:25:59 +00:00 · 2025-12-11 10:26:51 +00:00 · 2025-12-04 10:26:55 +00:00 · 2025-10-30 10:22:00 +00:00 · 2025-10-17 10:21:36 +00:00 · 2025-10-08 10:20:47 +00:00
356 changed files with 76181 additions and 70499 deletions
--- a/acf.php
+++ b/acf.php
@ -9,14 +9,24 @@
 * Plugin Name:       Advanced Custom Fields PRO
 * Plugin URI:        https://www.advancedcustomfields.com
 * Description:       Customize WordPress with powerful, professional and intuitive fields.
- * Version:           6.5.0-RC1
+ * Version:           6.7.0.2
 * Author:            WP Engine
 * Author URI:        https://wpengine.com/?utm_source=wordpress.org&utm_medium=referral&utm_campaign=plugin_directory&utm_content=advanced_custom_fields
 * Update URI:        https://www.advancedcustomfields.com/pro
 * Text Domain:       acf
 * Domain Path:       /lang
 * Requires PHP:      7.4
- * Requires at least: 6.0
+ * Requires at least: 6.2
+ */
+
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! defined( 'ABSPATH' ) ) {
@ -35,7 +45,7 @@ if ( ! class_exists( 'ACF' ) ) {
 		 *
 		 * @var string
 		 */
-		public $version = '6.5.0-RC1';
+		public $version = '6.7.0.2';

 		/**
 		 * The plugin settings array.
--- a/assets/build/css/acf-field-group.min.css
+++ b/assets/build/css/acf-field-group.min.css
--- a/assets/build/css/acf-global.min.css
+++ b/assets/build/css/acf-global.min.css
--- a/assets/build/css/acf-input.min.css
+++ b/assets/build/css/acf-input.min.css
--- a/assets/build/css/pro/acf-pro-input.min.css
+++ b/assets/build/css/pro/acf-pro-input.min.css
--- a/assets/build/css/pro/acf-styles-in-iframe-for-blocks.min.css
+++ b/assets/build/css/pro/acf-styles-in-iframe-for-blocks.min.css
@ -0,0 +1 @@
+[data-acf-inline-contenteditable="1"][contenteditable=true]:empty::before{content:attr(data-acf-placeholder);opacity:.62}[data-acf-inline-contenteditable="1"][contenteditable=true]:empty{border:1px dashed rgba(255,0,0,0)}[data-acf-inline-fields-uid]:hover,[data-acf-inline-contenteditable]:hover{outline:2px solid var(--wp-admin-theme-color);outline-offset:2px}.acf-block-has-validation-error{border:2px solid #d94f4f}
--- a/assets/build/js/acf-field-group.min.js
+++ b/assets/build/js/acf-field-group.min.js
--- a/assets/build/js/acf-input.min.js
+++ b/assets/build/js/acf-input.min.js
--- a/assets/build/js/acf-internal-post-type.min.js
+++ b/assets/build/js/acf-internal-post-type.min.js
--- a/assets/build/js/acf.min.js
+++ b/assets/build/js/acf.min.js
--- a/assets/build/js/pro/acf-pro-blocks.min.js
+++ b/assets/build/js/pro/acf-pro-blocks.min.js
--- a/assets/build/js/pro/acf-pro-input.min.js
+++ b/assets/build/js/pro/acf-pro-input.min.js
--- a/assets/build/js/pro/acf-pro-ui-options-page.min.js
+++ b/assets/build/js/pro/acf-pro-ui-options-page.min.js
@ -1 +1 @@
-(()=>{var e={805:()=>{!function(e){const t=function(t){return void 0===t.element?t:t.children&&"None"===t.text?void 0:("acfOptionsPages"===t.text&&(t.text=acf.__("Options Pages")),e('<span class="acf-selection"></span>').data("element",t.element).html(acf.strEscape(t.text)))},a=function(t){if(void 0===t.element)return t;const a=e('<span class="acf-selection"></span>');return a.html(acf.strEscape(t.element.innerHTML)),"options"!==t.id&&"edit_posts"!==t.id||a.append('<span class="acf-select2-default-pill">'+acf.__("Default")+"</span>"),a.data("element",t.element),a};new acf.Model({id:"UIOptionsPageManager",wait:"ready",events:{"change .acf-options-page-parent_slug":"toggleMenuPositionDesc"},initialize:function(){"ui_options_page"===acf.get("screen")&&(acf.newSelect2(e("select.acf-options-page-parent_slug"),{field:!1,templateSelection:t,templateResult:t,dropdownCssClass:"field-type-select-results"}),acf.newSelect2(e("select.acf-options-page-capability"),{field:!1,templateSelection:a,templateResult:a}),acf.newSelect2(e("select.acf-options-page-data_storage"),{field:!1,templateSelection:a,templateResult:a}),this.toggleMenuPositionDesc())},toggleMenuPositionDesc:function(t,a){"none"===e("select.acf-options-page-parent_slug").val()?(e(".acf-menu-position-desc-child").hide(),e(".acf-menu-position-desc-parent").show()):(e(".acf-menu-position-desc-parent").hide(),e(".acf-menu-position-desc-child").show())}}),new acf.Model({id:"optionsPageModalManager",events:{"change .location-rule-value":"createOptionsPage"},createOptionsPage:function(a){const n=e(a.target);if("add_new_options_page"!==n.val())return;let o=!1;const s=function(a){o=acf.newPopup({title:a.data.title,content:a.data.content,width:"600px"}),o.$el.addClass("acf-create-options-page-popup");const n=o.$el.find("#acf_ui_options_page-page_title"),s=n.val();n.focus().val("").val(s),acf.newSelect2(e("#acf_ui_options_page-parent_slug"),{field:!1,templateSelection:t,templateResult:t,dropdownCssClass:"field-type-select-results"}),o.on("submit","form",c)},c=function(t){t.preventDefault(),acf.validateForm({form:e("#acf-create-options-page-form"),success:i,failure:l})},i=function(){const t=e("#acf-create-options-page-form").serializeArray(),a={action:"acf/create_options_page"};t.forEach(e=>{a[e.name]=e.value}),e.ajax({url:acf.get("ajaxurl"),data:acf.prepareForAjax(a),type:"post",dataType:"json",success:p})},l=function(t){const a=e("#acf-create-options-page-form"),n=a.find(".acf-field .acf-error-message");a.find(".acf-notice").first().remove(),n.each(function(){const t=e(this).closest(".acf-field").find(".acf-label:first");e(this).attr("class","acf-options-page-modal-error").appendTo(t)})},p=function(e){e.success&&e.data.menu_slug?(n.prepend('<option value="'+e.data.menu_slug+'">'+e.data.page_title+"</option>"),n.val(e.data.menu_slug),o.close()):!e.success&&e.data.error&&alert(e.data.error)};!function(){const t=e(".acf-headerbar-title-field").val(),a={action:"acf/create_options_page",acf_parent_page_choices:this.acf.data.optionPageParentOptions?this.acf.data.optionPageParentOptions:[]};t.length&&(a.field_group_title=t),e.ajax({url:acf.get("ajaxurl"),data:acf.prepareForAjax(a),type:"post",dataType:"json",success:s})}()}})}(jQuery)}},t={};function a(n){var o=t[n];if(void 0!==o)return o.exports;var s=t[n]={exports:{}};return e[n](s,s.exports,a),s.exports}a.n=e=>{var t=e&&e.__esModule?()=>e.default:()=>e;return a.d(t,{a:t}),t},a.d=(e,t)=>{for(var n in t)a.o(t,n)&&!a.o(e,n)&&Object.defineProperty(e,n,{enumerable:!0,get:t[n]})},a.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),(()=>{"use strict";a(805)})()})();
+(()=>{var e={805:()=>{!function(e){const t=function(t){return void 0===t.element?t:t.children&&"None"===t.text?void 0:("acfOptionsPages"===t.text&&(t.text=acf.__("Options Pages")),e('<span class="acf-selection"></span>').data("element",t.element).html(acf.strEscape(t.text)))},a=function(t){if(void 0===t.element)return t;const a=e('<span class="acf-selection"></span>');return a.html(acf.strEscape(t.element.innerHTML)),"options"!==t.id&&"edit_posts"!==t.id||a.append('<span class="acf-select2-default-pill">'+acf.__("Default")+"</span>"),a.data("element",t.element),a};new acf.Model({id:"UIOptionsPageManager",wait:"ready",events:{"change .acf-options-page-parent_slug":"toggleMenuPositionDesc"},initialize:function(){"ui_options_page"===acf.get("screen")&&(acf.newSelect2(e("select.acf-options-page-parent_slug"),{field:!1,templateSelection:t,templateResult:t,dropdownCssClass:"field-type-select-results"}),acf.newSelect2(e("select.acf-options-page-capability"),{field:!1,templateSelection:a,templateResult:a}),acf.newSelect2(e("select.acf-options-page-data_storage"),{field:!1,templateSelection:a,templateResult:a}),this.toggleMenuPositionDesc())},toggleMenuPositionDesc:function(t,a){"none"===e("select.acf-options-page-parent_slug").val()?(e(".acf-menu-position-desc-child").hide(),e(".acf-menu-position-desc-parent").show()):(e(".acf-menu-position-desc-parent").hide(),e(".acf-menu-position-desc-child").show())}}),new acf.Model({id:"optionsPageModalManager",events:{"change .location-rule-value":"createOptionsPage"},createOptionsPage:function(a){const n=e(a.target);if("add_new_options_page"!==n.val())return;let o=!1;const s=function(a){o=acf.newPopup({title:a.data.title,content:a.data.content,width:"600px"}),o.$el.addClass("acf-create-options-page-popup");const n=o.$el.find("#acf_ui_options_page-page_title"),s=n.val();n.trigger("focus").val("").val(s),acf.newSelect2(e("#acf_ui_options_page-parent_slug"),{field:!1,templateSelection:t,templateResult:t,dropdownCssClass:"field-type-select-results"}),o.on("submit","form",c)},c=function(t){t.preventDefault(),acf.validateForm({form:e("#acf-create-options-page-form"),success:i,failure:l})},i=function(){const t=e("#acf-create-options-page-form").serializeArray(),a={action:"acf/create_options_page"};t.forEach(e=>{a[e.name]=e.value}),e.ajax({url:acf.get("ajaxurl"),data:acf.prepareForAjax(a),type:"post",dataType:"json",success:p})},l=function(t){const a=e("#acf-create-options-page-form"),n=a.find(".acf-field .acf-error-message");a.find(".acf-notice").first().remove(),n.each(function(){const t=e(this).closest(".acf-field").find(".acf-label:first");e(this).attr("class","acf-options-page-modal-error").appendTo(t)})},p=function(e){e.success&&e.data.menu_slug?(n.prepend('<option value="'+e.data.menu_slug+'">'+e.data.page_title+"</option>"),n.val(e.data.menu_slug),o.close()):!e.success&&e.data.error&&alert(e.data.error)};!function(){const t=e(".acf-headerbar-title-field").val(),a={action:"acf/create_options_page",acf_parent_page_choices:this.acf.data.optionPageParentOptions?this.acf.data.optionPageParentOptions:[]};t.length&&(a.field_group_title=t),e.ajax({url:acf.get("ajaxurl"),data:acf.prepareForAjax(a),type:"post",dataType:"json",success:s})}()}})}(jQuery)}},t={};function a(n){var o=t[n];if(void 0!==o)return o.exports;var s=t[n]={exports:{}};return e[n](s,s.exports,a),s.exports}a.n=e=>{var t=e&&e.__esModule?()=>e.default:()=>e;return a.d(t,{a:t}),t},a.d=(e,t)=>{for(var n in t)a.o(t,n)&&!a.o(e,n)&&Object.defineProperty(e,n,{enumerable:!0,get:t[n]})},a.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),(()=>{"use strict";a(805)})()})();
--- a/assets/images/icons/icon-trash-alt.svg
+++ b/assets/images/icons/icon-trash-alt.svg
@ -1,3 +1,5 @@
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+<path d="M1052.32 69.44C1052.32 69.44 1052.34 69.44 1052.35 69.43C1052.87 69.15 1053.3 68.75 1053.64 68.23C1053.98 67.71 1054.15 67.09 1054.15 66.37C1054.15 65.65 1053.98 65.04 1053.65 64.55C1053.32 64.06 1052.9 63.68 1052.4 63.43C1051.9 63.18 1051.38 63.05 1050.84 63.05H1046C1045.86 63.05 1045.75 63.16 1045.75 63.3V73.42C1045.75 73.56 1045.86 73.67 1046 73.67H1047.36C1047.5 73.67 1047.61 73.56 1047.61 73.42V69.86H1050.53L1052.45 73.54C1052.49 73.62 1052.58 73.67 1052.67 73.67H1054.19C1054.37 73.67 1054.49 73.48 1054.4 73.32L1052.33 69.45L1052.32 69.44ZM1051.55 67.87C1051.16 68.22 1050.72 68.4 1050.23 68.4H1047.6V64.5H1050.28C1050.74 64.5 1051.16 64.64 1051.55 64.93C1051.94 65.22 1052.13 65.7 1052.13 66.37C1052.13 67.04 1051.94 67.52 1051.55 67.87Z" fill="white"/>
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+<path d="M823.62 57.94H814.42C813.868 57.94 813.42 58.3877 813.42 58.94V149C813.42 149.552 813.868 150 814.42 150H823.62C824.172 150 824.62 149.552 824.62 149V58.94C824.62 58.3877 824.172 57.94 823.62 57.94Z" fill="white"/>
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--- a/includes/Updater/Updater.php
+++ b/includes/Updater/Updater.php
@ -1,8 +1,12 @@
 <?php
 /**
- * The ACF Update Class, responsible for talking to the connect API server and injecting PRO's update data into WordPress.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 namespace ACF;
@ -54,13 +58,46 @@ if ( ! class_exists( 'Updater' ) ) {
 				return;
 			}

-			// append update information to transient.
-			add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'modify_plugins_transient' ), 10, 1 );
+			// append update information to transient on both save and get.
+			add_filter( 'site_transient_update_plugins', array( $this, 'modify_plugins_transient' ), 10, 1 );
+
+			// clear ACF transient when updates complete.
+			add_filter( 'upgrader_process_complete', array( $this, 'clear_transients_on_upgrade' ), 5, 2 );

 			// modify plugin data visible in the 'View details' popup.
 			add_filter( 'plugins_api', array( $this, 'modify_plugin_details' ), 10, 3 );
 		}

+		/**
+		 * Clears ACF plugin update transients when ACF is updated.
+		 *
+		 * This method is hooked to the 'upgrader_process_complete' action and will
+		 * delete the 'acf_plugin_updates' transient when the ACF plugin is updated,
+		 * ensuring fresh update data is fetched on the next check.
+		 *
+		 * @since 6.5.1
+		 *
+		 * @param WP_Upgrader $upgrader_object The upgrader instance.
+		 * @param array       $options         Array of update details including:
+		 *                                     - 'action' (string) The action performed (e.g., 'update').
+		 *                                     - 'type' (string) The type of update (e.g., 'plugin').
+		 *                                     - 'plugins' (array) Array of plugin basenames that were updated.
+		 */
+		public function clear_transients_on_upgrade( $upgrader_object, $options ) {
+			// Check if this was a plugin update
+			if ( $options['action'] === 'update' && $options['type'] === 'plugin' ) {
+				// Check if we were one of the updated plugins
+				if ( isset( $options['plugins'] ) ) {
+					$acf_basename = acf_get_setting( 'basename' );
+					if ( in_array( $acf_basename, $options['plugins'], true ) ) {
+						$plugin    = $this->get_plugin_by( 'basename', $acf_basename );
+						$plugin_id = $plugin ? $plugin['id'] : false;
+						$this->refresh_plugins_transient( $plugin_id );
+					}
+				}
+			}
+		}
+
 		/**
 		 * Registeres a plugin for updates.
 		 *
@ -134,6 +171,16 @@ if ( ! class_exists( 'Updater' ) ) {
 				'X-ACF-URL'     => $site_url,
 			);

+			// Add update channel header if defined.
+			if ( defined( 'ACF_UPDATE_CHANNEL' ) && ACF_UPDATE_CHANNEL ) {
+				$headers['X-ACF-Update-Channel'] = ACF_UPDATE_CHANNEL;
+			}
+
+			// Add plugin override header if defined.
+			if ( defined( 'ACF_RELEASE_ACCESS_KEY' ) && ACF_RELEASE_ACCESS_KEY ) {
+				$headers['X-ACF-Release-Access-Key'] = ACF_RELEASE_ACCESS_KEY;
+			}
+
 			$url = "https://connect.advancedcustomfields.com/$endpoint";

 			// Staging environment.
@ -391,13 +438,19 @@ if ( ! class_exists( 'Updater' ) ) {
 		}

 		/**
-		 * Deletes transients and allows a fresh lookup.
+		 * Deletes cached ACF plugin update transients and allows a fresh lookup.
 		 *
 		 * @since   5.5.10
+		 *
+		 * @param   string|false $id Optional. The plugin ID to clear specific plugin info transient.
+		 *                           If provided, will delete the 'acf_plugin_info_{id}' transient.
+		 *                           Defaults to false.
 		 */
-		public function refresh_plugins_transient() {
-			delete_site_transient( 'update_plugins' );
+		public function refresh_plugins_transient( $id = false ) {
 			delete_transient( 'acf_plugin_updates' );
+			if ( ! empty( $id ) && is_string( $id ) ) {
+				delete_transient( 'acf_plugin_info_' . $id );
+			}
 		}

 		/**
@ -409,11 +462,6 @@ if ( ! class_exists( 'Updater' ) ) {
 		 * @return object $transient The modified transient value.
 		 */
 		public function modify_plugins_transient( $transient ) {
-			// Bail if we're just completing a plugin update.
-			if ( doing_action( 'upgrader_process_complete' ) ) {
-				return $transient;
-			}
-
 			// Bail early if no response (error).
 			if ( ! isset( $transient->response ) ) {
 				return $transient;
--- a/includes/Updater/init.php
+++ b/includes/Updater/init.php
@ -1,8 +1,12 @@
 <?php
 /**
- * Initializes ACF updater logic and logic specific to ACF direct downloads.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! defined( 'ABSPATH' ) ) {
--- a/includes/acf-bidirectional-functions.php
+++ b/includes/acf-bidirectional-functions.php
@ -1,8 +1,12 @@
 <?php
 /**
- * General functions relating to the bidirectional feature of some fields.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 /**
--- a/includes/acf-field-functions.php
+++ b/includes/acf-field-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Register store.
 acf_register_store( 'fields' )->prop( 'multisite', true );
@ -828,7 +837,12 @@ function acf_render_field_label( $field ) {

 	// Output label.
 	if ( $label ) {
-		echo '<label' . ( $field['id'] ? ' for="' . esc_attr( $field['id'] ) . '"' : '' ) . '>' . acf_esc_html( $label ) . '</label>';
+		// For multi-choice fields (radio, checkbox, taxonomy, button_group), don't use 'for' attribute but add ID for aria-labelledby
+		if ( in_array( $field['type'], array( 'radio', 'checkbox', 'taxonomy', 'button_group' ), true ) && $field['id'] ) {
+			echo '<label id="' . esc_attr( $field['id'] ) . '-label">' . acf_esc_html( $label ) . '</label>';
+		} else {
+			echo '<label' . ( $field['id'] ? ' for="' . esc_attr( $field['id'] ) . '"' : '' ) . '>' . acf_esc_html( $label ) . '</label>';
+		}
 	}
 }

--- a/includes/acf-field-group-functions.php
+++ b/includes/acf-field-group-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * acf_get_field_group
@ -541,3 +550,30 @@ function acf_field_group_has_location_type( int $post_id, string $location ) {

 	return false;
 }
+
+/**
+ * Retrieves the field group title, or display title if set.
+ *
+ * @since 6.6
+ *
+ * @param array|integer $field_group The field group array or ID.
+ * @return string The field group title.
+ */
+function acf_get_field_group_title( $field_group ): string {
+	if ( is_numeric( $field_group ) ) {
+		$field_group = acf_get_field_group( $field_group );
+	}
+
+	$title = '';
+	if ( ! empty( $field_group['title'] ) && is_string( $field_group['title'] ) ) {
+		$title = $field_group['title'];
+	}
+
+	// Override with the Display Title if set.
+	if ( ! empty( $field_group['display_title'] ) && is_string( $field_group['display_title'] ) ) {
+		$title = $field_group['display_title'];
+	}
+
+	// Filter and return.
+	return apply_filters( 'acf/get_field_group_title', esc_html( $title ), $field_group );
+}
--- a/includes/acf-form-functions.php
+++ b/includes/acf-form-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Register store for form data.
 acf_register_store( 'form' );
--- a/includes/acf-helper-functions.php
+++ b/includes/acf-helper-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * Returns true if the value provided is considered "empty". Allows numbers such as 0.
--- a/includes/acf-hook-functions.php
+++ b/includes/acf-hook-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Register store.
 acf_register_store( 'hook-variations' );
--- a/includes/acf-input-functions.php
+++ b/includes/acf-input-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * acf_filter_attrs
@ -333,7 +342,27 @@ function acf_get_checkbox_input( $attrs = array() ) {

 	// Render.
 	$checked = isset( $attrs['checked'] );
-	return '<label' . ( $checked ? ' class="selected"' : '' ) . '><input ' . acf_esc_attrs( $attrs ) . '/> ' . acf_esc_html( $label ) . '</label>';
+
+	// Build label attributes array for accessibility and consistency.
+	$label_attrs = array();
+	if ( $checked ) {
+		$label_attrs['class'] = 'selected';
+	}
+
+	if ( ! empty( $attrs['button_group'] ) ) {
+		unset( $attrs['button_group'] );
+		// If tabindex is provided, use it for the label; otherwise, use checked-based default.
+		if ( isset( $attrs['tabindex'] ) ) {
+			$label_attrs['tabindex'] = (string) $attrs['tabindex'];
+			unset( $attrs['tabindex'] );
+		} else {
+			$label_attrs['tabindex'] = $checked ? '0' : '-1';
+		}
+		$label_attrs['role']         = 'radio';
+		$label_attrs['aria-checked'] = $checked ? 'true' : 'false';
+	}
+
+	return '<label' . ( acf_esc_attrs( $label_attrs ) ? ' ' . acf_esc_attrs( $label_attrs ) : '' ) . '><input ' . acf_esc_attrs( $attrs ) . '/> ' . acf_esc_html( $label ) . '</label>';
 }

 /**
--- a/includes/acf-internal-post-type-functions.php
+++ b/includes/acf-internal-post-type-functions.php
@ -1,15 +1,19 @@
 <?php
 /**
- * Generic functions for accessing ACF objects stored as WordPress post types which aren't handled by type specific functions.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 /**
 * Gets an instance of an ACF_Internal_Post_Type.
 *
 * @param string $post_type The ACF internal post type to get the instance for.
- * @return ACF_Internal_Post_Type|bool The internal post type class instance, or false on failure.
+ * @return ACF_Internal_Post_Type|boolean The internal post type class instance, or false on failure.
 */
 function acf_get_internal_post_type_instance( $post_type = 'acf-field-group' ) {
 	$store = acf_get_store( 'internal-post-types' );
--- a/includes/acf-meta-functions.php
+++ b/includes/acf-meta-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * Returns an array of "ACF only" meta for the given post_id.
--- a/includes/acf-post-functions.php
+++ b/includes/acf-post-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * Returns available templates for each post type.
--- a/includes/acf-post-type-functions.php
+++ b/includes/acf-post-type-functions.php
@ -1,8 +1,12 @@
 <?php
 /**
- * Functions for ACF post type objects.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 /**
--- a/includes/acf-taxonomy-functions.php
+++ b/includes/acf-taxonomy-functions.php
@ -1,8 +1,12 @@
 <?php
 /**
- * Functions for ACF taxonomy objects.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 /**
--- a/includes/acf-user-functions.php
+++ b/includes/acf-user-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * acf_get_users
--- a/includes/acf-utility-functions.php
+++ b/includes/acf-utility-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Globals.
 global $acf_stores, $acf_instances;
--- a/includes/acf-value-functions.php
+++ b/includes/acf-value-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Register store.
 acf_register_store( 'values' )->prop( 'multisite', true );
--- a/includes/acf-wp-functions.php
+++ b/includes/acf-wp-functions.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * Returns a WordPress object type.
--- a/includes/admin/admin-internal-post-type-list.php
+++ b/includes/admin/admin-internal-post-type-list.php
@ -1,12 +1,12 @@
 <?php
 /**
- * ACF Internal Post Type List class
- *
- * Base class to add functionality to ACF internal post type list pages.
- *
 * @package ACF
- * @subpackage Admin
- * @since 6.1
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! defined( 'ABSPATH' ) ) {
--- a/includes/admin/admin-internal-post-type.php
+++ b/includes/admin/admin-internal-post-type.php
@ -1,12 +1,12 @@
 <?php
 /**
- * ACF Internal Post Type class
- *
- * Base class to add functionality to ACF internal post types.
- *
 * @package ACF
- * @subpackage Admin
- * @since 6.1
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! defined( 'ABSPATH' ) ) {
--- a/includes/admin/admin-notices.php
+++ b/includes/admin/admin-notices.php
@ -1,11 +1,12 @@
 <?php
 /**
- * ACF Admin Notices
+ * @package ACF
+ * @author  WP Engine
 *
- * Functions and classes to manage admin notices.
- *
- * @date    10/1/19
- * @since   5.7.10
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 // Exit if accessed directly.
--- a/includes/admin/admin-options-pages-preview.php
+++ b/includes/admin/admin-options-pages-preview.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit;
--- a/includes/admin/admin-tools.php
+++ b/includes/admin/admin-tools.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/admin-upgrade.php
+++ b/includes/admin/admin-upgrade.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/admin.php
+++ b/includes/admin/admin.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/post-types/admin-field-group.php
+++ b/includes/admin/post-types/admin-field-group.php
@ -1,11 +1,12 @@
 <?php
 /**
- * ACF Admin Field Group Class
+ * @package ACF
+ * @author  WP Engine
 *
- * @class       acf_admin_field_group
- *
- * @package     ACF
- * @subpackage  Admin
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! class_exists( 'acf_admin_field_group' ) ) :
--- a/includes/admin/post-types/admin-field-groups.php
+++ b/includes/admin/post-types/admin-field-groups.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/post-types/admin-post-type.php
+++ b/includes/admin/post-types/admin-post-type.php
@ -1,11 +1,12 @@
 <?php
 /**
- * ACF Admin Post Type Class
+ * @package ACF
+ * @author  WP Engine
 *
- * @class ACF_Admin_Post_Type
- *
- * @package    ACF
- * @subpackage Admin
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! class_exists( 'ACF_Admin_Post_Type' ) ) :
--- a/includes/admin/post-types/admin-post-types.php
+++ b/includes/admin/post-types/admin-post-types.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
--- a/includes/admin/post-types/admin-taxonomies.php
+++ b/includes/admin/post-types/admin-taxonomies.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
--- a/includes/admin/post-types/admin-taxonomy.php
+++ b/includes/admin/post-types/admin-taxonomy.php
@ -1,11 +1,12 @@
 <?php
 /**
- * ACF Admin Taxonomy Class
+ * @package ACF
+ * @author  WP Engine
 *
- * @class       ACF_Admin_Taxonomiy
- *
- * @package     ACF
- * @subpackage  Admin
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 if ( ! class_exists( 'ACF_Admin_Taxonomy' ) ) :
--- a/includes/admin/tools/class-acf-admin-tool-export.php
+++ b/includes/admin/tools/class-acf-admin-tool-export.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/tools/class-acf-admin-tool-import.php
+++ b/includes/admin/tools/class-acf-admin-tool-import.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
@ -44,7 +53,7 @@ if ( ! class_exists( 'ACF_Admin_Tool_Import' ) ) :
 			?>
 		<div class="acf-postbox-header">
 			<h2 class="acf-postbox-title"><?php esc_html_e( 'Import', 'acf' ); ?></h2>
-			<div class="acf-tip"><i tabindex="0" class="acf-icon acf-icon-help acf-js-tooltip" title="<?php esc_attr_e( 'Select the Advanced Custom Fields JSON file you would like to import. When you click the import button below, ACF will import the items in that file.', 'acf' ); ?>">?</i></div>
+			<div class="acf-tip"><i tabindex="0" class="acf-icon acf-icon-help acf-js-tooltip" title="<?php esc_attr_e( 'Choose an ACF JSON file to import. Use only files from trusted sources, then click Import.', 'acf' ); ?>">?</i></div>
 		</div>
 		<div class="acf-postbox-inner">
 			<div class="acf-fields">
@ -52,11 +61,13 @@ if ( ! class_exists( 'ACF_Admin_Tool_Import' ) ) :

 				acf_render_field_wrap(
 					array(
-						'label'    => __( 'Select File', 'acf' ),
-						'type'     => 'file',
-						'name'     => 'acf_import_file',
-						'value'    => false,
-						'uploader' => 'basic',
+						'label'        => __( 'Select JSON File', 'acf' ),
+						'type'         => 'file',
+						'name'         => 'acf_import_file',
+						'value'        => false,
+						'uploader'     => 'basic',
+						'mime_types'   => 'application/json,application/x-json,application/x-javascript,text/javascript,text/x-javascript,text/json',
+						'instructions' => __( 'Import JSON containing field groups, post types, or taxonomies (trusted sources only)', 'acf' ),
 					)
 				);

--- a/includes/admin/tools/class-acf-admin-tool.php
+++ b/includes/admin/tools/class-acf-admin-tool.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/admin/views/acf-field-group/conditional-logic.php
+++ b/includes/admin/views/acf-field-group/conditional-logic.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // vars
 $disabled = false;
--- a/includes/admin/views/acf-field-group/field.php
+++ b/includes/admin/views/acf-field-group/field.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 //phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound -- included template file.

 // Define input name prefix using unique identifier.
--- a/includes/admin/views/acf-field-group/fields.php
+++ b/includes/admin/views/acf-field-group/fields.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 //phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound -- template include file
 $field_groups     = acf_get_field_groups();
 $num_field_groups = 0;
--- a/includes/admin/views/acf-field-group/list-empty.php
+++ b/includes/admin/views/acf-field-group/list-empty.php
@ -1,11 +1,15 @@
 <?php
 /**
- * The empty list state for an ACF field group
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */
-
-?><script>document.body.classList.add('acf-no-field-groups');</script>
+?>
+<script>document.body.classList.add('acf-no-field-groups');</script>
 <div class="acf-no-field-groups-wrapper">
 	<div class="acf-no-field-groups-inner">
 		<img src="<?php echo esc_url( acf_get_url( 'assets/images/empty-group.svg' ) ); ?>" />
--- a/includes/admin/views/acf-field-group/location-group.php
+++ b/includes/admin/views/acf-field-group/location-group.php
@ -1,3 +1,14 @@
+<?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+?>
 <div class="rule-group" data-id="<?php echo esc_attr( $group_id ); ?>">

 	<h4><?php echo ( $group_id == 'group_0' ) ? esc_html__( 'Show this field group if', 'acf' ) : esc_html__( 'or', 'acf' ); ?></h4>
--- a/includes/admin/views/acf-field-group/location-rule.php
+++ b/includes/admin/views/acf-field-group/location-rule.php
@ -1,8 +1,16 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // vars
 $prefix = 'acf_field_group[location][' . $rule['group'] . '][' . $rule['id'] . ']';
-
 ?>
 <tr data-id="<?php echo esc_attr( $rule['id'] ); ?>">
 	<td class="param">
--- a/includes/admin/views/acf-field-group/locations.php
+++ b/includes/admin/views/acf-field-group/locations.php
@ -1,8 +1,16 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // global
 global $field_group;
-
 ?>
 <div class="acf-field">
 	<div class="acf-label">
--- a/includes/admin/views/acf-field-group/options.php
+++ b/includes/admin/views/acf-field-group/options.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // global
 global $field_group;
@ -72,6 +81,8 @@ foreach ( acf_get_combined_field_group_settings_tabs() as $tab_key => $tab_label
 		case 'location_rules':
 			echo '<div class="field-group-locations field-group-settings-tab">';
 				acf_get_view( 'acf-field-group/locations' );
+
+				do_action( 'acf/field_group/render_additional_location_settings', $field_group );
 			echo '</div>';
 			break;
 		case 'presentation':
@ -164,6 +175,8 @@ foreach ( acf_get_combined_field_group_settings_tabs() as $tab_key => $tab_label
 				'field'
 			);

+			do_action( 'acf/field_group/render_additional_presentation_settings', $field_group );
+
 			echo '</div>';
 			echo '<div class="field-group-setting-split">';

@ -221,8 +234,6 @@ foreach ( acf_get_combined_field_group_settings_tabs() as $tab_key => $tab_label
 					'prefix'       => 'acf_field_group',
 					'value'        => $field_group['active'],
 					'ui'           => 1,
-				// 'ui_on_text'  => __('Active', 'acf'),
-				// 'ui_off_text' => __('Inactive', 'acf'),
 				)
 			);

@ -237,8 +248,6 @@ foreach ( acf_get_combined_field_group_settings_tabs() as $tab_key => $tab_label
 						'prefix'       => 'acf_field_group',
 						'value'        => $field_group['show_in_rest'],
 						'ui'           => 1,
-					// 'ui_on_text'  => __('Active', 'acf'),
-					// 'ui_off_text' => __('Inactive', 'acf'),
 					)
 				);
 			}
@ -257,6 +266,21 @@ foreach ( acf_get_combined_field_group_settings_tabs() as $tab_key => $tab_label
 				'field'
 			);

+			acf_render_field_wrap(
+				array(
+					'label'        => __( 'Display Title', 'acf' ),
+					'instructions' => __( 'Title shown on the edit screen for the field group meta box to use instead of the field group title', 'acf' ),
+					'type'         => 'text',
+					'name'         => 'display_title',
+					'prefix'       => 'acf_field_group',
+					'value'        => $field_group['display_title'],
+				),
+				'div',
+				'field'
+			);
+
+			do_action( 'acf/field_group/render_additional_group_settings', $field_group );
+
 			/* translators: 1: Post creation date 2: Post creation time */
 			$acf_created_on = sprintf( __( 'Created on %1$s at %2$s', 'acf' ), get_the_date(), get_the_time() );
 			?>
--- a/includes/admin/views/acf-field-group/pro-features.php
+++ b/includes/admin/views/acf-field-group/pro-features.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 $acf_field_group_pro_features_title = __( 'Unlock Advanced Features and Build Even More with ACF PRO', 'acf' );
 $acf_learn_more_text                = __( 'Learn More', 'acf' );
 $acf_learn_more_link                = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/pro/', 'ACF upgrade', 'metabox' );
--- a/includes/admin/views/acf-post-type/advanced-settings.php
+++ b/includes/admin/views/acf-post-type/advanced-settings.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 global $acf_post_type;

--- a/includes/admin/views/acf-post-type/basic-settings.php
+++ b/includes/admin/views/acf-post-type/basic-settings.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 global $acf_post_type;

 $acf_duplicate_post_type = acf_get_post_type_from_request_args( 'acfduplicate' );
--- a/includes/admin/views/acf-post-type/list-empty.php
+++ b/includes/admin/views/acf-post-type/list-empty.php
@ -1,11 +1,15 @@
 <?php
 /**
- * The empty list state for an ACF post type.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */
-
-?><script>document.body.classList.add('acf-no-post-types');</script>
+?>
+<script>document.body.classList.add('acf-no-post-types');</script>
 <div class="acf-no-post-types-wrapper">
 	<div class="acf-no-post-types-inner">
 		<img src="<?php echo esc_url( acf_get_url( 'assets/images/empty-post-types.svg' ) ); ?>" />
--- a/includes/admin/views/acf-taxonomy/advanced-settings.php
+++ b/includes/admin/views/acf-taxonomy/advanced-settings.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 global $acf_taxonomy;

--- a/includes/admin/views/acf-taxonomy/basic-settings.php
+++ b/includes/admin/views/acf-taxonomy/basic-settings.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 global $acf_taxonomy;

--- a/includes/admin/views/acf-taxonomy/list-empty.php
+++ b/includes/admin/views/acf-taxonomy/list-empty.php
@ -1,10 +1,13 @@
 <?php
 /**
- * The empty list state for an ACF taxonomy.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */
-
 ?>
 <script>document.body.classList.add('acf-no-taxonomies');</script>
 <div class="acf-no-taxonomies-wrapper">
--- a/includes/admin/views/browse-fields-modal.php
+++ b/includes/admin/views/browse-fields-modal.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 //phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound -- included template file.

 $browse_fields_tabs = array( 'popular' => __( 'Popular', 'acf' ) );
--- a/includes/admin/views/escaped-html-notice.php
+++ b/includes/admin/views/escaped-html-notice.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 $acf_plugin_name      = acf_is_pro() ? 'ACF PRO' : 'ACF';
 $acf_plugin_name      = '<strong>' . $acf_plugin_name . ' &mdash;</strong>';
--- a/includes/admin/views/global/form-top.php
+++ b/includes/admin/views/global/form-top.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 global $title, $post_new_file, $post_type_object, $post;
 $acf_title_placeholder = apply_filters( 'enter_title_here', __( 'Add title' ), $post );
 $acf_title             = $post->post_title;
--- a/includes/admin/views/global/header.php
+++ b/includes/admin/views/global/header.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 //phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound -- included template file.

 global $post_type, $post_type_object, $acf_page_title;
--- a/includes/admin/views/global/navigation.php
+++ b/includes/admin/views/global/navigation.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 //phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound -- included template file.
 /**
 * The template for displaying admin navigation.
--- a/includes/admin/views/options-page-preview.php
+++ b/includes/admin/views/options-page-preview.php
@ -1,4 +1,14 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
 $acf_learn_more_link = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/pro/', 'ACF upgrade', 'no-options-pages' );
 $acf_upgrade_button  = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/pro/', 'ACF upgrade', 'no-options-pages-pricing', 'pricing-table' );

--- a/includes/admin/views/tools/tools.php
+++ b/includes/admin/views/tools/tools.php
@ -1,8 +1,12 @@
 <?php
 /**
- * View to output admin tools for both archive and single
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */

 $class = $active ? 'single' : 'grid';
--- a/includes/admin/views/upgrade/network.php
+++ b/includes/admin/views/upgrade/network.php
@ -1,12 +1,13 @@
 <?php
 /**
- * Network Admin Database Upgrade
- *
- * Shows the databse upgrade process.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */
-
 ?>
 <style type="text/css">
 	
@ -73,8 +74,16 @@
 				</td>
 				<td>
 				<?php if ( acf_has_upgrade() ) : ?>
-					<?php // translators: %1 current db version, %2 available db version ?>
-					<span class="response"><?php echo esc_html( printf( __( 'Site requires database upgrade from %1$s to %2$s', 'acf' ), acf_get_db_version(), ACF_VERSION ) ); ?></span>
+					<span class="response">
+						<?php
+						printf(
+							/* translators: %1$s current db version, %2$s available db version */
+							esc_html__( 'Site requires database upgrade from %1$s to %2$s', 'acf' ),
+							esc_html( acf_get_db_version() ),
+							esc_html( ACF_VERSION )
+						);
+						?>
+					</span>
 				<?php else : ?>
 					<?php esc_html_e( 'Site is up to date', 'acf' ); ?>
 				<?php endif; ?>
--- a/includes/admin/views/upgrade/notice.php
+++ b/includes/admin/views/upgrade/notice.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // calculate add-ons (non pro only)
 $plugins = array();
@ -19,7 +28,7 @@ if ( ! acf_get_setting( 'pro' ) ) {
 }

 ?>
-<div id="acf-upgrade-notice" class="notice">
+<div id="acf-upgrade-notice" class="notice notice-warning">
 	<div class="notice-container">
 		<div class="col-content">
 			<img src="<?php echo esc_url( acf_get_url( 'assets/images/acf-logo.svg' ) ); ?>" />
@ -33,7 +42,7 @@ if ( ! acf_get_setting( 'pro' ) ) {
 			<?php endif; ?>
 		</div>
 		<div class="col-actions">
-			<a id="acf-upgrade-button" href="<?php echo esc_url( $button_url ); ?>" class="acf-btn"><?php echo esc_html( $button_text ); ?></a>
+			<a id="acf-upgrade-button" href="<?php echo esc_url( $button_url ); ?>" class="button-primary"><?php echo esc_html( $button_text ); ?></a>
 		</div>
 		
 	</div>
--- a/includes/admin/views/upgrade/upgrade.php
+++ b/includes/admin/views/upgrade/upgrade.php
@ -1,12 +1,13 @@
 <?php
 /**
- * Admin Database Upgrade
- *
- * Shows the databse upgrade process.
- *
 * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
 */
-
 ?>
 <style type="text/css">
 	
--- a/includes/ajax/class-acf-ajax-check-screen.php
+++ b/includes/ajax/class-acf-ajax-check-screen.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
@ -53,7 +62,7 @@ if ( ! class_exists( 'ACF_Ajax_Check_Screen' ) ) :
 					$item = array(
 						'id'       => esc_attr( 'acf-' . $field_group['key'] ),
 						'key'      => esc_attr( $field_group['key'] ),
-						'title'    => esc_html( $field_group['title'] ),
+						'title'    => acf_esc_html( acf_get_field_group_title( $field_group ) ),
 						'position' => esc_attr( $field_group['position'] ),
 						'classes'  => postbox_classes( 'acf-' . $field_group['key'], $args['screen'] ),
 						'style'    => esc_attr( $field_group['style'] ),
--- a/includes/ajax/class-acf-ajax-local-json-diff.php
+++ b/includes/ajax/class-acf-ajax-local-json-diff.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/ajax/class-acf-ajax-query-users.php
+++ b/includes/ajax/class-acf-ajax-query-users.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/ajax/class-acf-ajax-query.php
+++ b/includes/ajax/class-acf-ajax-query.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/ajax/class-acf-ajax-upgrade.php
+++ b/includes/ajax/class-acf-ajax-upgrade.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/ajax/class-acf-ajax-user-setting.php
+++ b/includes/ajax/class-acf-ajax-user-setting.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/ajax/class-acf-ajax.php
+++ b/includes/ajax/class-acf-ajax.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/api/api-helpers.php
+++ b/includes/api/api-helpers.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * This function will return true for a non empty array
@ -1287,8 +1296,19 @@ function acf_get_grouped_posts( $args ) {

 	// find array of post_type
 	$post_types          = acf_get_array( $args['post_type'] );
-	$post_types_labels   = acf_get_pretty_post_types( $post_types );
-	$is_single_post_type = ( count( $post_types ) == 1 );
+	$is_single_post_type = ( count( $post_types ) === 1 );
+
+	// WordPress 6.8+ sorts post_type arrays for cache key generation
+	// We need to use the same sorted order when processing results
+	if (
+		! $is_single_post_type &&
+		$args['posts_per_page'] !== -1 &&
+		version_compare( get_bloginfo( 'version' ), '6.8', '>=' )
+	) {
+		sort( $post_types );
+	}
+
+	$post_types_labels = acf_get_pretty_post_types( $post_types );

 	// attachment doesn't work if it is the only item in an array
 	if ( $is_single_post_type ) {
--- a/includes/api/api-template.php
+++ b/includes/api/api-template.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * This function will return a custom field value for a specific field name/key + post_id.
--- a/includes/api/api-term.php
+++ b/includes/api/api-term.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 /**
 * Returns an array of taxonomy names.
--- a/includes/assets.php
+++ b/includes/assets.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/class-acf-data.php
+++ b/includes/class-acf-data.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
--- a/includes/class-acf-internal-post-type.php
+++ b/includes/class-acf-internal-post-type.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
@ -165,7 +174,7 @@ if ( ! class_exists( 'ACF_Internal_Post_Type' ) ) {
 		 * @since 6.1
 		 *
 		 * @param integer|string $id The post ID, key, or name.
-		 * @return WP_Post|bool The post object, or false on failure.
+		 * @return WP_Post|boolean The post object, or false on failure.
 		 */
 		public function get_post_object( $id = 0 ) {
 			if ( is_numeric( $id ) ) {
@ -731,7 +740,12 @@ if ( ! class_exists( 'ACF_Internal_Post_Type' ) ) {
 			// When importing a new field group, insert a temporary post and set the field group's ID.
 			// This allows fields to be updated before the field group (field group ID is needed for field parent setting).
 			if ( ! $post['ID'] ) {
-				$post['ID'] = wp_insert_post( array( 'post_title' => $post['key'] ) );
+				$post['ID'] = wp_insert_post(
+					array(
+						'post_title' => $post['key'],
+						'post_type'  => $this->post_type,
+					)
+				);
 			}

 			$post = $this->update_post( $post );
--- a/includes/compatibility.php
+++ b/includes/compatibility.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/deprecated.php
+++ b/includes/deprecated.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 // Register deprecated filters ( $deprecated, $version, $replacement ).
 acf_add_deprecated_filter( 'acf/settings/export_textdomain', '5.3.3', 'acf/settings/l10n_textdomain' );
--- a/includes/fields.php
+++ b/includes/fields.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
--- a/includes/fields/class-acf-field-accordion.php
+++ b/includes/fields/class-acf-field-accordion.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field__accordion' ) ) :

--- a/includes/fields/class-acf-field-button-group.php
+++ b/includes/fields/class-acf-field-button-group.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_button_group' ) ) :

@ -66,27 +75,45 @@ if ( ! class_exists( 'acf_field_button_group' ) ) :

 				// append
 				$buttons[] = array(
-					'name'    => $field['name'],
-					'value'   => $_value,
-					'label'   => $_label,
-					'checked' => $checked,
+					'name'         => $field['name'],
+					'value'        => $_value,
+					'label'        => $_label,
+					'checked'      => $checked,
+					'button_group' => true,
 				);
 			}

+
 			// maybe select initial value
 			if ( ! $field['allow_null'] && $selected === null ) {
 				$buttons[0]['checked'] = true;
 			}

-			// div
-			$div = array( 'class' => 'acf-button-group' );
+			// Ensure roving tabindex when allow_null is enabled and no selection yet.
+			if ( $field['allow_null'] && $selected === null && ! empty( $buttons ) ) {
+				$buttons[0]['tabindex'] = '0';
+			}

-			if ( $field['layout'] == 'vertical' ) {
-				$div['class'] .= ' -vertical'; }
+			// div
+			$div = array(
+				'class' => 'acf-button-group',
+				'role'  => 'radiogroup',
+			);
+
+			// Add aria-labelledby if field has an ID for proper screen reader announcement
+			if ( ! empty( $field['id'] ) ) {
+				$div['aria-labelledby'] = $field['id'] . '-label';
+			}
+
+			if ( 'vertical' === $field['layout'] ) {
+				$div['class'] .= ' -vertical';
+			}
 			if ( $field['class'] ) {
-				$div['class'] .= ' ' . $field['class']; }
+				$div['class'] .= ' ' . $field['class'];
+			}
 			if ( $field['allow_null'] ) {
-				$div['data-allow_null'] = 1; }
+				$div['data-allow_null'] = 1;
+			}

 			// hdden input
 			$html .= acf_get_hidden_input( array( 'name' => $field['name'] ) );
--- a/includes/fields/class-acf-field-checkbox.php
+++ b/includes/fields/class-acf-field-checkbox.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_checkbox' ) ) :

@ -79,8 +88,14 @@ if ( ! class_exists( 'acf_field_checkbox' ) ) :
 			$li = '';
 			$ul = array(
 				'class' => 'acf-checkbox-list',
+				'role'  => 'group',
 			);

+			// Add aria-labelledby if field has an ID for proper screen reader announcement
+			if ( ! empty( $field['id'] ) ) {
+				$ul['aria-labelledby'] = $field['id'] . '-label';
+			}
+
 			// append to class
 			$ul['class'] .= ' ' . ( $field['layout'] == 'horizontal' ? 'acf-hl' : 'acf-bl' );
 			$ul['class'] .= ' ' . $field['class'];
--- a/includes/fields/class-acf-field-color_picker.php
+++ b/includes/fields/class-acf-field-color_picker.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_color_picker' ) ) :

@ -25,9 +34,12 @@ if ( ! class_exists( 'acf_field_color_picker' ) ) :
 			$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-color-picker.png';
 			$this->doc_url       = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/color-picker/', 'docs', 'field-type-selection' );
 			$this->defaults      = array(
-				'default_value'  => '',
-				'enable_opacity' => false,
-				'return_format'  => 'string', // 'string'|'array'
+				'default_value'         => '',
+				'enable_opacity'        => false,
+				'custom_palette_source' => '',
+				'palette_colors'        => '',
+				'show_color_wheel'      => true,
+				'return_format'         => 'string', // 'string'|'array'
 			);
 		}

@ -105,7 +117,7 @@ if ( ! class_exists( 'acf_field_color_picker' ) ) :
 		 * @since   3.6
 		 * @date    23/01/13
 		 */
-		function render_field( $field ) {
+		public function render_field( $field ) {
 			$text_input                             = acf_get_sub_array( $field, array( 'id', 'class', 'name', 'value' ) );
 			$hidden_input                           = acf_get_sub_array( $field, array( 'name', 'value' ) );
 			$text_input['data-alpha-skip-debounce'] = true;
@ -115,9 +127,54 @@ if ( ! class_exists( 'acf_field_color_picker' ) ) :
 				$text_input['data-alpha-enabled'] = true;
 			}

+			// Handle color palette when the theme supports theme.json.
+			if ( wp_theme_has_theme_json() ) {
+				// If the field was set to use themejson.
+				if ( $field['custom_palette_source'] === 'themejson' ) {
+					$text_input['data-acf-palette-type'] = 'custom';
+
+					// Get the palette (theme + custom).
+					$global_settings = wp_get_global_settings();
+					$palette         = $global_settings['color']['palette']['theme'] ?? array();
+
+					// Extract only the color values.
+					$color_values = array_map(
+						fn( $c ) => $c['color'] ?? null,
+						$palette
+					);
+
+					// Remove nulls (in case any entries are missing 'color')
+					$color_values = array_filter( $color_values );
+
+					$hex_string = implode( ',', $color_values );
+
+					$text_input['data-acf-palette-colors'] = $hex_string;
+				} elseif ( $field['custom_palette_source'] === 'custom' && ! empty( $field['palette_colors'] ) ) {
+					// If the field was set to use a custom palette.
+					$text_input['data-acf-palette-type']   = 'custom';
+					$text_input['data-acf-palette-colors'] = $field['palette_colors'];
+				} elseif ( $field['custom_palette_source'] === '' && ! empty( $field['palette_colors'] ) ) {
+					// This state can happen if they switched from a classic theme to a themejson theme without resaving the field.
+					$text_input['data-acf-palette-type']   = 'custom';
+					$text_input['data-acf-palette-colors'] = $field['palette_colors'];
+				} else {
+					// Fallback to use the default color palette for the iris color picker.
+					$text_input['data-acf-palette-type'] = 'default';
+				}
+			} else {
+				// Handle color palette for themes that do not support themejson.
+				if ( ! empty( $field['palette_colors'] ) ) {
+					$text_input['data-acf-palette-type']   = 'custom';
+					$text_input['data-acf-palette-colors'] = $field['palette_colors'];
+				} else {
+					// Fallback to use the default color palette for the iris color picker.
+					$text_input['data-acf-palette-type'] = 'default';
+				}
+			}
+
 			// html
 			?>
-		<div class="acf-color-picker">
+		<div class="acf-color-picker<?php echo esc_attr( ! $field['show_color_wheel'] ? ' acf-hide-color-picker-color-wheel' : '' ); ?>">
 			<?php acf_hidden_input( $hidden_input ); ?>
 			<?php acf_text_input( $text_input ); ?>
 		</div>
@ -178,6 +235,84 @@ if ( ! class_exists( 'acf_field_color_picker' ) ) :
 			);
 		}

+		/**
+		 * Renders the field settings used in the "Presentation" tab.
+		 *
+		 * @since 6.0
+		 *
+		 * @param array $field The field settings array.
+		 * @return void
+		 */
+		public function render_field_presentation_settings( $field ) {
+			acf_render_field_setting(
+				$field,
+				array(
+					'label'        => __( 'Show Custom Palette', 'acf' ),
+					'instructions' => '',
+					'type'         => 'true_false',
+					'name'         => 'show_custom_palette',
+					'ui'           => 1,
+				)
+			);
+
+			$custom_palette_conditions = array(
+				'field'    => 'show_custom_palette',
+				'operator' => '==',
+				'value'    => 1,
+			);
+
+			if ( wp_theme_has_theme_json() ) {
+				acf_render_field_setting(
+					$field,
+					array(
+						'label'        => __( 'Custom Palette Source', 'acf' ),
+						'instructions' => '',
+						'type'         => 'radio',
+						'name'         => 'custom_palette_source',
+						'layout'       => 'vertical',
+						'choices'      => array(
+							'custom'  => __( 'Specify custom colors', 'acf' ),
+							'themejson' => __( 'Use colors from theme.json', 'acf' ),
+						),
+						'conditions'    => array(
+							'field'    => 'show_custom_palette',
+							'operator' => '==',
+							'value'    => 1,
+						),
+					)
+				);
+
+				$custom_palette_conditions = array(
+					'field'    => 'custom_palette_source',
+					'operator' => '==',
+					'value'    => 'custom',
+				);
+			}
+
+			acf_render_field_setting(
+				$field,
+				array(
+					'label'        => __( 'Custom Palette', 'acf' ),
+					'instructions' => __( 'Use a custom color palette by entering comma separated hex or rgba values', 'acf' ),
+					'type'         => 'text',
+					'name'         => 'palette_colors',
+					'conditions'   => $custom_palette_conditions,
+				)
+			);
+
+			acf_render_field_setting(
+				$field,
+				array(
+					'label'         => __( 'Show Color Wheel', 'acf' ),
+					'instructions'  => '',
+					'type'          => 'true_false',
+					'name'          => 'show_color_wheel',
+					'default_value' => 1,
+					'ui'            => 1,
+				)
+			);
+		}
+
 		/**
 		 * Format the value for use in templates. At this stage, the value has been loaded from the
 		 * database and is being returned by an API function such as get_field(), the_field(), etc.
--- a/includes/fields/class-acf-field-date_picker.php
+++ b/includes/fields/class-acf-field-date_picker.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_date_picker' ) ) :

--- a/includes/fields/class-acf-field-date_time_picker.php
+++ b/includes/fields/class-acf-field-date_time_picker.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_date_and_time_picker' ) ) :

--- a/includes/fields/class-acf-field-email.php
+++ b/includes/fields/class-acf-field-email.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_email' ) ) :

--- a/includes/fields/class-acf-field-file.php
+++ b/includes/fields/class-acf-field-file.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_file' ) ) :

@ -128,7 +137,7 @@ if ( ! class_exists( 'acf_field_file' ) ) :
 				)
 			);
 			?>
-	<div class="show-if-value file-wrap">
+	<div class="show-if-value file-wrap" tabindex="0" role="button" aria-label="<?php esc_attr_e( 'Selected file. Press tab to access file options.', 'acf' ); ?>">
 		<div class="file-icon">
 			<img data-name="icon" src="<?php echo esc_url( $o['icon'] ); ?>" alt=""/>
 		</div>
@ -147,9 +156,9 @@ if ( ! class_exists( 'acf_field_file' ) ) :
 		</div>
 		<div class="acf-actions -hover">
 			<?php if ( $uploader != 'basic' ) : ?>
-			<a class="acf-icon -pencil dark" data-name="edit" href="#" title="<?php esc_attr_e( 'Edit', 'acf' ); ?>"></a>
+			<a class="acf-icon -pencil dark" data-name="edit" href="#" title="<?php esc_attr_e( 'Edit', 'acf' ); ?>" aria-label="<?php esc_attr_e( 'Edit file', 'acf' ); ?>"></a>
 			<?php endif; ?>
-			<a class="acf-icon -cancel dark" data-name="remove" href="#" title="<?php esc_attr_e( 'Remove', 'acf' ); ?>"></a>
+			<a class="acf-icon -cancel dark" data-name="remove" href="#" title="<?php esc_attr_e( 'Remove', 'acf' ); ?>" aria-label="<?php esc_attr_e( 'Remove file', 'acf' ); ?>"></a>
 		</div>
 	</div>
 	<div class="hide-if-value">
@ -161,13 +170,17 @@ if ( ! class_exists( 'acf_field_file' ) ) :
 			
 			<label class="acf-basic-uploader">
 				<?php
-				acf_file_input(
-					array(
-						'name' => $field['name'],
-						'id'   => $field['id'],
-						'key'  => $field['key'],
-					)
+				$args = array(
+					'name' => $field['name'],
+					'id'   => $field['id'],
+					'key'  => $field['key'],
 				);
+
+				if ( ! empty( $field['mime_types'] ) ) {
+					$args['accept'] = $field['mime_types'];
+				}
+
+				acf_file_input( $args );
 				?>
 			</label>
 			
--- a/includes/fields/class-acf-field-google-map.php
+++ b/includes/fields/class-acf-field-google-map.php
@ -1,4 +1,13 @@
 <?php
+/**
+ * @package ACF
+ * @author  WP Engine
+ *
+ * © 2025 Advanced Custom Fields (ACF®). All rights reserved.
+ * "ACF" is a trademark of WP Engine.
+ * Licensed under the GNU General Public License v2 or later.
+ * https://www.gnu.org/licenses/gpl-2.0.html
+ */

 if ( ! class_exists( 'acf_field_google_map' ) ) :
 	class acf_field_google_map extends acf_field {
@ -144,13 +153,14 @@ if ( ! class_exists( 'acf_field_google_map' ) ) :

 	<div class="title">

+		<input class="search" type="text" placeholder="<?php esc_attr_e( 'Search for address...', 'acf' ); ?>" value="<?php echo esc_attr( $search ); ?>" />
+
 		<div class="acf-actions -hover">
-			<a href="#" data-name="search" class="acf-icon -search grey" title="<?php esc_attr_e( 'Search', 'acf' ); ?>"></a>
-			<a href="#" data-name="clear" class="acf-icon -cancel grey" title="<?php esc_attr_e( 'Clear location', 'acf' ); ?>"></a>
-			<a href="#" data-name="locate" class="acf-icon -location grey" title="<?php esc_attr_e( 'Find current location', 'acf' ); ?>"></a>
+			<button type="button" data-name="search" class="acf-icon -search grey" aria-label="<?php esc_attr_e( 'Search', 'acf' ); ?>"></button>
+			<button type="button" data-name="clear" class="acf-icon -cancel grey" aria-label="<?php esc_attr_e( 'Clear location', 'acf' ); ?>"></button>
+			<button type="button" data-name="locate" class="acf-icon -location grey" aria-label="<?php esc_attr_e( 'Find current location', 'acf' ); ?>"></button>
 		</div>

-		<input class="search" type="text" placeholder="<?php esc_attr_e( 'Search for address...', 'acf' ); ?>" value="<?php echo esc_attr( $search ); ?>" />
 		<i class="acf-loading"></i>

 	</div>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
ACF	edf1bac99d	Updates to 6.7.0.2	2025-12-12 10:25:59 +00:00
ACF	d6a46976ef	Updates to 6.7.0.1	2025-12-11 10:26:51 +00:00
ACF	fca2af463e	Updates to 6.7.0	2025-12-04 10:26:55 +00:00
ACF	28183c4288	Updates to 6.6.2	2025-10-30 10:22:00 +00:00
ACF	b52f0cd3ba	Updates to 6.6.1	2025-10-17 10:21:36 +00:00
ACF	edcc0c871f	Updates to 6.6.0	2025-10-08 10:20:47 +00:00
ACF	ed376e7d24	Updates to 6.5.1	2025-09-11 10:19:43 +00:00
ACF	7cb32137bc	Updates to 6.5.0.1	2025-08-13 10:24:10 +00:00
				`@ -0,0 +1 @@`
				`[data-acf-inline-contenteditable="1"][contenteditable=true]:empty::before{content:attr(data-acf-placeholder);opacity:.62}[data-acf-inline-contenteditable="1"][contenteditable=true]:empty{border:1px dashed rgba(255,0,0,0)}[data-acf-inline-fields-uid]:hover,[data-acf-inline-contenteditable]:hover{outline:2px solid var(--wp-admin-theme-color);outline-offset:2px}.acf-block-has-validation-error{border:2px solid #d94f4f}`