!!! IMPORTANT 2.0 version before upgrade please run full backup of your site !!!

- new code structure, optimized for next development;
  - created spl_autoloader for remove includes;
  - UM classes with namespaces;
  - deprecated global $ultimatemember; variable (use UM() instead);
- new UM/WP roles logic;
- new settings class and logic (deprecated Redux framework, deprecated some old options, added some new options);
- new dependencies class for extensions;
- WP native styles for backend fields;
- new upgrades and license activations for extensions;
- new logic form backend forms and fields;
- created uninstall.php file for delete permanently all UM settings;
- optimized registration/upgrade profile process;

Deprecated Hooks:

um_new_user_registration_plain
um_user_registration_extra_hook
um_add_user_frontend
um_post_registration_global_hook
um_admin_extend_directory_options_general (was action...will be filter)

includes/admin/core/packages/1.3.39.php

@@ -0,0 +1,27 @@
+<?php 
+	
+	// If this file is called directly, abort.
+	if ( ! defined( 'WPINC' ) ) {
+		die;
+	}
+
+	/**
+  	 * This populates all existing UM users with meta_key `last_login` as `user_registered` if the meta key doesn't exist.
+  	 * Target Version: 1.3.39
+  	 */
+  	
+	global $wpdb;
+  	$wpdb->query('INSERT INTO '.$wpdb->usermeta.'(user_id, meta_key, meta_value) 
+	   			SELECT uu.ID, "_um_last_login", uu.user_registered
+	   				FROM '.$wpdb->users.' AS uu
+	   			WHERE 
+	   				uu.ID NOT IN(
+	   						SELECT user_id FROM '.$wpdb->usermeta.' 
+	      					WHERE meta_key = "_um_last_login" 
+	      					GROUP BY user_id
+	      			)'
+  	);
+
+
+
+ ?>