diff --git a/featured-image-column.php b/featured-image-column.php
index 2aa56a7..1a8299b 100644
--- a/featured-image-column.php
+++ b/featured-image-column.php
@@ -29,7 +29,6 @@
  */
 class Featured_Image_Column {
 
-    const DOMAIN = 'featured-image-column';
     const ID = 'featured-image';
     const VERSION = '0.3';
 
@@ -39,19 +38,9 @@ class Featured_Image_Column {
      * @since 0.1
      */
     public function add_hooks() {
-        add_action( 'load-edit.php', [ $this, 'load' ] );
         add_action( 'admin_menu', [ $this, 'admin_menu' ] );
-        add_action( 'admin_init', [ $this, 'register_setting' ] );
-    }
-
-    /**
-     * Since the load-edit.php hook is too early for checking the post type, hook the rest
-     * of the code to the wp action to allow the query to be run first
-     *
-     * @since 0.1.6
-     */
-    public function load() {
-        add_action( 'wp', [ $this, 'init' ] );
+        add_action( 'admin_init', [ $this, 'admin_init' ] );
+        add_action( 'admin_enqueue_scripts', [ $this, 'style' ] );
     }
 
     /**
@@ -64,22 +53,60 @@ public function admin_menu() {
             'Featured Image Column Settings',
             'Featured Image Col',
             'manage_options',
-            self::DOMAIN,
+            'featured-image-column',
             [ $this, 'settings_page' ]
         );
     }
 
+    /**
+     * Since the load-edit.php hook is too early for checking the post type, hook the rest
+     * of the code to the wp action to allow the query to be run first
+     *
+     * @since 0.1.6
+     * @update 0.3
+     */
+    public function admin_init() {
+        global $pagenow;
+
+        $this->register_settings();
+
+        // Only continue if we're on the 'edit.php' page(s)
+        if ( ( empty( $pagenow ) || $pagenow !== 'edit.php' ) &&
+             ( defined( 'DOING_AJAX' ) && ! DOING_AJAX )
+        ) {
+            return;
+        }
+
+        // Make sure we've got some post_types saved via our settings.
+        if ( empty( ( $post_types = get_option( 'featured_image_column', [] ) ) ) ) {
+            return;
+        }
+
+        add_filter( 'featured_image_column_post_types', [ $this, 'add_setting_post_types' ] );
+
+        // Add out custom column and column data
+        foreach ( $post_types as $post_type ) {
+            if ( ! post_type_supports( $post_type, 'thumbnail' ) ) {
+                continue;
+            }
+            add_filter( "manage_{$post_type}_posts_columns", [ $this, 'columns' ] );
+            add_action( "manage_{$post_type}_posts_custom_column",
+                [ $this, 'column_data' ], 10, 2 );
+        }
+    }
+
     /**
      * Output our settings.
      *
      * @since 0.2.2
      */
     public function settings_page() {
-        if ( false === ( $post_types = get_option( 'featured_image_column', false ) ) ) {
+        $post_types = get_option( 'featured_image_column', false );
+        if ( $post_types === false ) {
             $post_types = [];
-            foreach ( $this->get_post_types() as $key => $label ) {
-                if ( post_type_supports( $label, 'thumbnail' ) ) {
-                    $post_types[ $label ] = $label;
+            foreach ( $this->get_post_types() as $key => $post_type ) {
+                if ( post_type_supports( $post_type, 'thumbnail' ) ) {
+                    $post_types[ $post_type ] = $post_type;
                 }
             }
             update_option( 'featured_image_column', $post_types );
@@ -88,63 +115,21 @@ public function settings_page() {
         include __DIR__ . '/views/settings.php';
     }
 
-    /**
-     * Register our setting.
-     *
-     * @since 0.2.2
-     */
-    public function register_setting() {
-        register_setting(
-            'featured_image_column_post_types',
-            'featured_image_column',
-            [ $this, 'sanitize_callback' ]
-        );
-    }
-
     /**
      * Sanitize our setting.
      *
      * @since 0.2.2
      *
-     * @param array $input
+     * @param mixed $input
      *
      * @return array
      */
     public function sanitize_callback( $input ) {
-        $input = array_map( 'sanitize_key', $input );
-
-        return $input;
-    }
-
-    /**
-     * Sets up the Featured_Image_Column plugin and loads files at the appropriate time.
-     *
-     * @since 0.1.6
-     */
-    public function init() {
-        do_action( 'featured_image_column_init' );
-
-        /**
-         * Sample filter to remove post type
-         * add_filter( 'featured_image_column_post_types', array( $this, 'remove_post_type' ), 99 );
-         */
-        add_filter( 'featured_image_column_post_types', [ $this, 'add_setting_post_types' ] );
-
-        $post_type = get_post_type();
-
-        /* Bail early if $post_type isn't supported */
-        if ( ! $this->included_post_types( $post_type ) ) {
-            return;
+        if ( is_array( $input ) ) {
+            return array_map( 'sanitize_key', $input );
         }
 
-        /* Print style */
-        add_action( 'admin_enqueue_scripts', [ $this, 'style' ], 0 );
-
-        /* Column manager */
-        add_filter( "manage_edit-{$post_type}_columns", [ $this, 'columns' ] );
-        add_action( "manage_{$post_type}_posts_custom_column", [ $this, 'column_data' ], 10, 2 );
-
-        do_action( 'featured_image_column_loaded' );
+        return sanitize_key( $input );
     }
 
     /**
@@ -156,23 +141,25 @@ public function init() {
      *
      * @return array
      */
-    public function add_setting_post_types( $post_types ) {
-        $setting_post_types = get_option( 'featured_image_column', [] );
-        $post_types         = array_merge( $post_types, array_keys( $setting_post_types ) );
-
-        return $post_types;
+    public function add_setting_post_types( array $post_types ) {
+        return array_merge( $post_types, array_keys( $this->get_settings() ) );
     }
 
     /**
      * Enqueue our stylesheet.
      *
      * @since 0.1
+     *
+     * @param string $hook
      */
-    public function style() {
+    public function style( $hook ) {
+        if ( $hook != 'edit.php' ) {
+            return;
+        }
         wp_register_style(
             'featured-image-column',
             apply_filters( 'featured_image_column_css', plugin_dir_url( __FILE__ ) . 'css/column.css' ),
-            null,
+            [],
             self::VERSION
         );
         wp_enqueue_style( 'featured-image-column' );
@@ -185,7 +172,7 @@ public function style() {
      *
      * @return array
      */
-    public function columns( $columns ) {
+    public function columns( array $columns ) {
         if ( ! is_array( $columns ) ) {
             $columns = [];
         }
@@ -194,7 +181,7 @@ public function columns( $columns ) {
         foreach ( $columns as $key => $title ) {
             // Put the Thumbnail column before the Title column
             if ( $key == 'title' ) {
-                $new_columns[ self::ID ] = __( 'Image', self::DOMAIN );
+                $new_columns[ self::ID ] = esc_html__( 'Image', 'featured-image-column' );
             }
 
             $new_columns[ $key ] = $title;
@@ -214,15 +201,26 @@ public function column_data( $column_name, $post_id ) {
             return;
         }
 
-        $image_src = $this->get_the_image( $post_id );
+        $featured_image = $this->get_the_image( $post_id );
 
-        if ( empty( $image_src ) ) {
-            echo " "; // This helps prevent issues with empty cells
+        if ( ! empty( $featured_image ) ) {
+            echo $featured_image;
 
             return;
         }
 
-        echo '<img alt="' . esc_attr( get_the_title() ) . '" src="' . esc_url( $image_src ) . '">';
+        echo "&nbsp;"; // This helps prevent issues with empty cells
+    }
+
+    /**
+     * Register the plugins settings.
+     */
+    protected function register_settings() {
+        register_setting(
+            'featured_image_column_post_types',
+            'featured_image_column',
+            [ $this, 'sanitize_callback' ]
+        );
     }
 
     /**
@@ -231,78 +229,29 @@ public function column_data( $column_name, $post_id ) {
      * @since 0.1
      * @updated 0.1.3 - Added wp_cache_set()
      * @updated 0.1.9 - fixed persistent cache per post_id
-     * @link http://www.ethitter.com/slides/wcmia-caching-scaling-2012-02-18/#slide-11
+     * @updated 0.3 - Removed wp_cache_*
      *
      * @param int $post_id
      *
      * @return string
      */
-    public function get_the_image( $post_id ) {
-        $cache_key = "featured_image_post_id-{$post_id}-_thumbnail";
-        $cache     = wp_cache_get( $cache_key, null );
-
-        if ( ! is_array( $cache ) ) {
-            $cache = [];
-        }
-
-        if ( ! array_key_exists( $cache_key, $cache ) ) {
-            if ( empty( $cache ) || ! is_string( $cache ) ) {
-                $output = '';
-
-                if ( has_post_thumbnail( $post_id ) ) {
-                    $image_array = wp_get_attachment_image_src(
-                        get_post_thumbnail_id( $post_id ),
-                        [ 36, 32, ]
-                    );
-
-                    if ( is_array( $image_array ) && is_string( $image_array[0] ) ) {
-                        $output = $image_array[0];
-                    }
-                }
-
-                if ( empty( $output ) ) {
-                    $output = plugins_url( 'images/default.png', __FILE__ );
-                    $output = apply_filters( 'featured_image_column_default_image', $output );
-                }
-
-                $output              = esc_url( $output );
-                $cache[ $cache_key ] = $output;
-
-                wp_cache_set( $cache_key, $cache, null, DAY_IN_SECONDS );
-
-                return $cache[ $cache_key ];
-            }
+    protected function get_the_image( $post_id ) {
+        if ( has_post_thumbnail( $post_id ) ) {
+            return get_the_post_thumbnail( $post_id );
+        } else {
+            $default = plugins_url( 'images/default.png', __FILE__ );
+            $image   = apply_filters( 'featured_image_column_default_image', $default );
+
+            return '<img alt="' . esc_attr( get_the_title( $post_id ) ) . '"
+                src="' . esc_url( $image ) . '">';
         }
-
-        /**
-         * Make sure we're returning the cached image
-         * HT: https://wordpress.org/support/topic/do-not-display-image-from-cache?replies=1#post-6773703
-         */
-        return isset( $cache[ $cache_key ] ) ? $cache[ $cache_key ] :
-            isset( $output ) ? $output : '';
     }
 
     /**
-     * Allowed post types
-     *
-     * @since 0.2
-     * @link http://wordpress.org/support/topic/plugin-featured-image-column-filter-for-post-types?replies=5
-     *
-     * @param string $post_type
-     *
-     * @return bool
+     * @return array
      */
-    private function included_post_types( $post_type ) {
-        $post_types = [];
-        foreach ( $this->get_post_types() as $type ) {
-            if ( post_type_supports( $type, 'thumbnail' ) ) {
-                $post_types[] = $type;
-            }
-        }
-
-        $post_types = apply_filters( 'featured_image_column_post_types', $post_types );
-
-        return in_array( $post_type, $post_types );
+    protected function get_settings() {
+        return get_option( 'featured_image_column', [] );
     }
 
     /**
@@ -312,30 +261,9 @@ private function included_post_types( $post_type ) {
      *
      * @return array
      */
-    private function get_post_types() {
+    protected function get_post_types() {
         return get_post_types( [ 'public' => true ] );
     }
-
-    /**
-     * Helper function to test post_type against its support
-     *
-     * @since 0.2.2
-     *
-     * @param string $supports
-     *
-     * @return array
-     */
-    private function post_type_supports( $supports = 'thumbnail' ) {
-        $post_types = [];
-
-        foreach ( $this->get_post_types() as $key => $label ) {
-            if ( post_type_supports( $label, $supports ) ) {
-                $post_types[] = $label;
-            }
-        }
-
-        return $post_types;
-    }
 }
 
 ( new Featured_Image_Column() )->add_hooks();
diff --git a/readme.txt b/readme.txt
index 0899136..73bf9d1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,7 +2,7 @@
 Contributors: austyfrosty, DH-Shredder, MartyThornley, chrisjean,
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=XQRHECLPQ46TE
 Tags: featured image, admin, column
-Requires at least: 3.0
+Requires at least: 4.4
 Tested up to: 4.8
 Stable tag: trunk
 
@@ -75,7 +75,10 @@ Follow the steps below to install the plugin.
 = Version 0.3 (06/25/17) =
 
 * Code cleanup.
-* Tested with WordPress 4.8.
+* Tested with WordPress 4.8 new minimum version requirement set to 4.4.
+* Image columns work correctly when using Quick Edit now (no more collapsing)!
+* Removed use of additional wp_cache.s
+* Toggling setting controls for post types works again (turn on/off featured image column per post type).
 
 = Version 0.2.3 (04/4/15) =
 
@@ -151,7 +154,7 @@ Follow the steps below to install the plugin.
 
 = 0.3 =
 
-* Code cleanup and support for WordPress 4.8.
+* Code cleanup, compatibility updates for WordPress 4.8, quick edit no longer collapses the columns and the settings actually toggle post_types on/off!
 
 = 0.2.2 =
 
diff --git a/views/settings.php b/views/settings.php
index 0ab3d55..be23214 100644
--- a/views/settings.php
+++ b/views/settings.php
@@ -1,7 +1,8 @@
 <div class="wrap">
 
-    <h2><?php _e( 'Featured Image Column', \TheFrosty\Featured_Image_Column::DOMAIN ); ?>
-        <small><?php printf( __( 'by <a href="%s">Austin Passy</a>', \TheFrosty\Featured_Image_Column::DOMAIN ), 'http://austin.passy.co' ); ?></small>
+    <h2><?php _e( 'Featured Image Column', 'featured-image-column' ); ?>
+        <small><?php esc_html_e( 'by', 'featured-image-column' );
+            echo ' <a href="http://austin.passy.co">Austin Passy</a>'; ?></small>
     </h2>
 
     <form method="post" action="<?php echo esc_url( admin_url( 'options.php' ) ); ?>">
@@ -12,22 +13,24 @@
             <tbody>
             <tr valign="top">
                 <th scope="row" valign="top">
-                    <?php _e( 'Allowed Post Types', \TheFrosty\Featured_Image_Column::DOMAIN ); ?>
+                    <?php esc_html_e( 'Allowed Post Types', 'featured-image-column' ); ?>
                 </th>
                 <td>
                     <div class="checkbox-wrap">
                         <ul>
-                            <?php foreach ( $this->get_post_types() as $key => $label ) {
-                                $checked = isset( $post_types[ $label ] ) ?
-                                    $post_types[ $label ] : '0';
-                                printf( '<li><label for="%1$s[%3$s]" title="%2$s">',
-                                    'featured_image_column', $label, $label );
-                                printf( '<input type="checkbox" class="checkbox" id="%1$s[%3$s]" name="%1$s[%3$s]" value="%3$s"%4$s> %2$s</label></li>',
-                                    'featured_image_column', $label, $label, checked( $checked, $label, false ) );
+                            <?php foreach ( $this->get_post_types() as $post_type ) {
+                                $checked = isset( $post_types[ $post_type ] ) ?
+                                    $post_types[ $post_type ] : '0';
+                                printf( '<li><label for="%1$s[%2$s]" title="%2$s">',
+                                    'featured_image_column', $post_type );
+                                printf( '<input type="checkbox" class="checkbox" id="%1$s[%2$s]" name="%1$s[%2$s]" value="%2$s"%3$s> %2$s</label></li>',
+                                    'featured_image_column', $post_type, checked( $checked, $post_type, false ) );
                             } ?>
                         </ul>
                     </div>
-                    <span class="description"><?php _e( 'By default all post types that support "thumbnails" are selected.', \TheFrosty\Featured_Image_Column::DOMAIN ); ?></span>
+                    <span class="description">
+                        <?php esc_html_e( 'By default all post types that support "thumbnails" are selected.', 'featured-image-column' ); ?>
+                    </span>
                 </td>
             </tr>
             </tbody>