!!! 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/widgets/class-um-search-widget.php

@@ -0,0 +1,73 @@
+<?php
+namespace um\widgets;
+
+// Exit if accessed directly
+if ( ! defined( 'ABSPATH' ) ) exit;
+
+class UM_Search_Widget extends \WP_Widget {
+
+	function __construct() {
+
+		parent::__construct(
+
+		// Base ID of your widget
+		'um_search_widget',
+
+		// Widget name will appear in UI
+		__('Ultimate Member - Search', 'ultimate-member'),
+
+		// Widget description
+		array( 'description' => __( 'Shows users they follow in a widget.', 'ultimate-member' ), )
+		);
+
+	}
+
+	// Creating widget front-end
+	public function widget( $args, $instance ) {
+		$title = apply_filters( 'widget_title', $instance['title'] );
+
+		// before and after widget arguments are defined by themes
+		echo $args['before_widget'];
+		if ( ! empty( $title ) ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		// display the search form
+		um_search_form();
+
+		echo $args['after_widget'];
+	}
+
+	// Widget Backend
+	public function form( $instance ) {
+		if ( isset( $instance[ 'title' ] ) ) {
+			$title = $instance[ 'title' ];
+		} else {
+			$title = __( 'Search Users', 'ultimate-member' );
+		}
+
+		if ( isset( $instance[ 'max' ] ) ) {
+			$max = $instance[ 'max' ];
+		} else {
+			$max = 11;
+		}
+
+		// Widget admin form
+		?>
+
+		<p>
+			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
+			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
+		</p>
+
+		<?php
+	}
+
+	// Updating widget replacing old instances with new
+	public function update( $new_instance, $old_instance ) {
+		$instance = array();
+		$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
+		return $instance;
+	}
+
+}