diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1eadd06..deb2bae 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+2.2.3 (2026-08-31)
+- Tested and confirmed compatible with WordPress 7.1
+- Fix: settings page "Test Configuration" button now works on modern WordPress - replaced the jQuery AJAX handlers removed in jQuery 3.0 (`complete`/`success`/`error`) with `always`/`done`/`fail`
+- Fix: load the plugin text domain on the `init` hook to avoid the "translation loading triggered too early" notice in WordPress 6.7+
+
 2.2.2 (2026-07-17)
 - Security fix: replace insecure SHA-1/MD5 hash functions with SHA-256 for the API request hash, multipart boundary generation, and widget ID generation
 
diff --git a/includes/admin.php b/includes/admin.php
index 83b55f8..ad13871 100755
--- a/includes/admin.php
+++ b/includes/admin.php
@@ -46,8 +46,15 @@ public function __construct() {
 
         $this->init();
 
-        // Load localizations if available
-        load_plugin_textdomain('mailgun', false, 'mailgun/languages');
+        // Load localizations if available. Deferred to `init` because WordPress 6.7+
+        // triggers a "translation loading was triggered too early" notice when a text
+        // domain is loaded before the `init` action.
+        add_action(
+            'init',
+            static function (): void {
+                load_plugin_textdomain('mailgun', false, 'mailgun/languages');
+            }
+        );
 
         // Activation hook
         register_activation_hook($this->plugin_file, array( &$this, 'activation' ));
@@ -163,7 +170,7 @@ public function admin_footer_js(): void {
 
             }
             var formModified = false
-            jQuery().ready(function () {
+            jQuery(function () {
                 mailgunApiOrNot()
                 jQuery('#mailgun-api').change(function () {
                     mailgunApiOrNot()
@@ -186,10 +193,10 @@ public function admin_footer_js(): void {
                             _wpnonce: '<?php echo esc_attr(wp_create_nonce()); ?>'
                         }
                     )
-                        .complete(function () {
+                        .always(function () {
                             jQuery('#mailgun-test').val('<?php _e('Test Configuration', 'mailgun'); ?>')
                         })
-                        .success(function (data) {
+                        .done(function (data) {
                             if (typeof data.message !== 'undefined' && data.message === 'Failure') {
                                 toastr.error('Mailgun ' + data.method + ' Test ' + data.message
                                     + '; status "' + data.error + '"');
@@ -198,7 +205,7 @@ public function admin_footer_js(): void {
                                     + '; status "' + data.error + '"');
                             }
                         })
-                        .error(function () {
+                        .fail(function () {
                             toastr.error('Mailgun Test <?php _e('Failure', 'mailgun'); ?>')
                         })
                 })
diff --git a/mailgun.php b/mailgun.php
index 582f924..0a64049 100755
--- a/mailgun.php
+++ b/mailgun.php
@@ -3,7 +3,7 @@
  * Plugin Name:  Mailgun
  * Plugin URI:   http://wordpress.org/extend/plugins/mailgun/
  * Description:  Mailgun integration for WordPress
- * Version:      2.2.2
+ * Version:      2.2.3
  * Requires PHP: 7.4
  * Requires at least: 5.6
  * Author:       Mailgun
diff --git a/readme.md b/readme.md
index c9cba8e..7343da2 100755
--- a/readme.md
+++ b/readme.md
@@ -3,8 +3,8 @@ Mailgun for WordPress
 
 Contributors: mailgun, sivel, lookahead.io, m35dev, alanfuller
 Tags: mailgun, smtp, http, api, mail, email
-Tested up to: 7.0
-Stable tag: 2.2.2
+Tested up to: 7.1
+Stable tag: 2.2.3
 Requires PHP: 7.4
 License: GPLv2 or later
 
@@ -133,6 +133,11 @@ MAILGUN_REPLY_TO_ADDRESS Type: string
 
 == Changelog ==
 
+= 2.2.3 (2026-08-31): =
+- Tested and confirmed compatible with WordPress 7.1
+- Fix: settings page "Test Configuration" button now works on modern WordPress - replaced the jQuery AJAX handlers removed in jQuery 3.0 (`complete`/`success`/`error`) with `always`/`done`/`fail`
+- Fix: load the plugin text domain on the `init` hook to avoid the "translation loading triggered too early" notice in WordPress 6.7+
+
 = 2.2.2 (2026-07-17): =
 - Security fix: replace insecure SHA-1/MD5 hash functions with SHA-256 for the API request hash, multipart boundary generation, and widget ID generation
 
diff --git a/readme.txt b/readme.txt
index ccedada..eef52ca 100755
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Mailgun for WordPress
 
 Contributors: mailgun, sivel, lookahead.io, m35dev, alanfuller
 Tags: mailgun, smtp, http, api, mail, email
-Tested up to: 7.0
-Stable tag: 2.2.2
+Tested up to: 7.1
+Stable tag: 2.2.3
 Requires PHP: 7.4
 License: GPLv2 or later
 
@@ -129,6 +129,11 @@ MAILGUN_TRACK_OPENS  Type: string Choices: 'yes' or 'no'
 
 == Changelog ==
 
+= 2.2.3 (2026-08-31): =
+- Tested and confirmed compatible with WordPress 7.1
+- Fix: settings page "Test Configuration" button now works on modern WordPress - replaced the jQuery AJAX handlers removed in jQuery 3.0 (`complete`/`success`/`error`) with `always`/`done`/`fail`
+- Fix: load the plugin text domain on the `init` hook to avoid the "translation loading triggered too early" notice in WordPress 6.7+
+
 = 2.2.2 (2026-07-17): =
 - Security fix: replace insecure SHA-1/MD5 hash functions with SHA-256 for the API request hash, multipart boundary generation, and widget ID generation