diff --git a/css/plugin-report.css b/css/plugin-report.css
index 27433b8..608656e 100644
--- a/css/plugin-report.css
+++ b/css/plugin-report.css
@@ -16,6 +16,38 @@ td.pr-risk-medium {
 	font-weight: bold;
 }
 
+/* Inline risk classes for plugin list table columns */
+
+span.pr-risk-low {
+	color: #007017;
+	font-weight: 600;
+}
+
+span.pr-risk-high {
+	color: #b32d2e;
+	font-weight: 600;
+}
+
+span.pr-risk-medium {
+	color: #826200;
+	font-weight: 600;
+}
+
+/* Warning rows in native plugin list */
+
+.pr-warning-error .notice-error {
+	border-left-color: #b32d2e;
+}
+
+.pr-warning-error .notice-error p {
+	color: #b32d2e;
+	font-weight: 600;
+}
+
+.pr-warning-warning .notice-warning p {
+	color: #826200;
+}
+
 /* additional info in table cells */
 
 span.pr-additional-info {
diff --git a/rt-plugin-report.php b/rt-plugin-report.php
index 6b76f78..f2d2691 100644
--- a/rt-plugin-report.php
+++ b/rt-plugin-report.php
@@ -36,6 +36,12 @@ class RT_Plugin_Report {
 		const CACHE_LIFETIME        = DAY_IN_SECONDS;
 		const CACHE_LIFETIME_NOREPO = WEEK_IN_SECONDS;
 
+		/** @var string Cache-clear URL for the plugins page. */
+		private $pr_clear_cache_url = '';
+
+		/** @var string Cache-clear button label for the plugins page. */
+		private $pr_clear_cache_label = '';
+
 		/**
 		 * Constructor
 		 */
@@ -60,6 +66,16 @@ public function init() {
 			add_action( 'wp_ajax_rt_get_plugin_info', array( $this, 'get_plugin_info' ) );
 			// Hook into the WP Upgrader to selectively delete cache items.
 			add_action( 'upgrader_process_complete', array( $this, 'upgrade_delete_cache_items' ), 10, 2 );
+			// Enrich the native plugin list table with extra columns and warnings.
+			add_filter( 'manage_plugins_columns', array( $this, 'add_plugin_list_columns' ) );
+			add_action( 'manage_plugins_custom_column', array( $this, 'render_plugin_list_column' ), 10, 3 );
+			add_action( 'after_plugin_row', array( $this, 'render_plugin_row_warning' ), 10, 3 );
+			if ( is_multisite() ) {
+				add_filter( 'manage_plugins-network_columns', array( $this, 'add_plugin_list_columns' ) );
+				add_action( 'manage_plugins-network_custom_column', array( $this, 'render_plugin_list_column' ), 10, 3 );
+			}
+			// Populate cache on the native plugins page so columns have data.
+			add_action( 'load-plugins.php', array( $this, 'populate_cache_on_plugins_page' ) );
 		}
 
 
@@ -172,6 +188,14 @@ public function settings_page() {
 		 * @param string $hook  Screen hook.
 		 */
 		public function enqueue_assets( $hook ) {
+			// Load CSS on the native plugin list page.
+			if ( 'plugins.php' === $hook ) {
+				wp_enqueue_style( 'plugin-report-css', plugin_dir_url( __FILE__ ) . 'css/plugin-report.css', array(), self::PLUGIN_VERSION );
+				$this->pr_clear_cache_url   = wp_nonce_url( admin_url( 'plugins.php?pr_clear_cache=1' ), 'pr_clear_cache' );
+				$this->pr_clear_cache_label = __( 'Clear cached plugin data and reload', 'plugin-report' );
+				add_action( 'admin_print_footer_scripts', array( $this, 'render_clear_cache_button_script' ) );
+				return;
+			}
 			// Check if we're on the right screen.
 			if ( 'plugins_page_plugin_report' !== $hook ) {
 				return;
@@ -197,6 +221,52 @@ public function enqueue_assets( $hook ) {
 		}
 
 
+		/**
+		 * Ensure all plugins have cached reports when viewing the native plugins page.
+		 * Also handles the cache-clear action for this page.
+		 */
+		public function populate_cache_on_plugins_page() {
+			// Check if get_plugins() function exists.
+			if ( ! function_exists( 'plugins_api' ) ) {
+				require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
+			}
+
+			// Handle cache clear request.
+			if ( isset( $_GET['pr_clear_cache'] ) && isset( $_GET['_wpnonce'] ) ) {
+				if ( wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'pr_clear_cache' ) ) {
+					$this->clear_cache();
+				}
+			}
+
+			// Populate cache for any plugins that don't have it yet.
+			$plugins = get_plugins();
+			foreach ( $plugins as $key => $plugin ) {
+				$slug = $this->get_plugin_slug( $key );
+				$this->assemble_plugin_report( $slug );
+			}
+		}
+
+
+		/**
+		 * Output inline script to place the cache-clear link next to "Add Plugin".
+		 */
+		public function render_clear_cache_button_script() {
+			?>
+			<script>
+			(function() {
+				var btn = document.querySelector( '.page-title-action' );
+				if ( ! btn ) return;
+				var a = document.createElement( 'a' );
+				a.href = <?php echo wp_json_encode( $this->pr_clear_cache_url ); ?>;
+				a.className = 'page-title-action';
+				a.textContent = <?php echo wp_json_encode( $this->pr_clear_cache_label ); ?>;
+				btn.parentNode.insertBefore( a, btn.nextSibling );
+			})();
+			</script>
+			<?php
+		}
+
+
 		/**
 		 * Get the slugs for all currently installed plugins
 		 */
@@ -406,6 +476,154 @@ private function check_exists_in_svn( $slug ) {
 		}
 
 
+		/**
+		 * Add custom columns to the native plugin list table.
+		 *
+		 * @param array $columns Existing columns.
+		 *
+		 * @return array Modified columns.
+		 */
+		public function add_plugin_list_columns( $columns ) {
+			$columns['pr_repo_status']  = __( 'Repository', 'plugin-report' );
+			$columns['pr_last_updated'] = __( 'Last Update', 'plugin-report' );
+			$columns['pr_tested']       = __( 'Tested up to', 'plugin-report' );
+			return $columns;
+		}
+
+
+		/**
+		 * Render custom column content in the native plugin list table.
+		 *
+		 * @param string $column_name Column identifier.
+		 * @param string $plugin_file Plugin file path relative to plugins dir.
+		 * @param array  $plugin_data Plugin header data.
+		 */
+		public function render_plugin_list_column( $column_name, $plugin_file, $plugin_data ) {
+			$slug  = $this->get_plugin_slug( $plugin_file );
+			$cache = get_site_transient( $this->create_cache_key( $slug ) );
+
+			if ( empty( $cache ) ) {
+				echo '—';
+				return;
+			}
+
+			global $wp_version;
+			$wp_latest = $this->check_core_updates();
+
+			switch ( $column_name ) {
+				case 'pr_repo_status':
+					if ( isset( $cache['repo_error_code'] ) && 'plugins_api_failed' === $cache['repo_error_code'] ) {
+						if ( isset( $cache['exists_in_svn'] ) && true === $cache['exists_in_svn'] ) {
+							echo '<span class="' . self::CSS_CLASS_HIGH . '">' . esc_html__( 'Closed', 'plugin-report' ) . '</span>';
+						} else {
+							echo '<span class="' . self::CSS_CLASS_HIGH . '">' . esc_html__( 'Not found', 'plugin-report' ) . '</span>';
+						}
+					} elseif ( isset( $cache['repo_info'] ) ) {
+						echo '<span class="' . self::CSS_CLASS_LOW . '">wordpress.org</span>';
+					} else {
+						$parsed = wp_parse_url( isset( $cache['local_info']['UpdateURI'] ) ? $cache['local_info']['UpdateURI'] : '' );
+						if ( isset( $parsed['host'] ) && ! empty( $parsed['host'] ) ) {
+							echo '<span class="' . self::CSS_CLASS_MED . '">' . esc_html( $parsed['host'] ) . '</span>';
+						} else {
+							echo '—';
+						}
+					}
+					break;
+
+				case 'pr_last_updated':
+					if ( isset( $cache['repo_info'] ) && isset( $cache['repo_info']->last_updated ) ) {
+						$time_update = new DateTime( $cache['repo_info']->last_updated );
+						$time_diff   = human_time_diff( $time_update->getTimestamp(), current_time( 'timestamp' ) );
+						$css_class   = $this->get_timediff_risk_classname( current_time( 'timestamp' ) - $time_update->getTimestamp() );
+						echo '<span class="' . $css_class . '">' . esc_html( $time_diff ) . '</span>';
+					} else {
+						echo '—';
+					}
+					break;
+
+				case 'pr_tested':
+					if ( isset( $cache['repo_info'] ) && isset( $cache['repo_info']->tested ) && ! empty( $cache['repo_info']->tested ) ) {
+						$css_class = $this->get_version_risk_classname( $cache['repo_info']->tested, $wp_latest, true );
+						echo '<span class="' . $css_class . '">' . esc_html( $cache['repo_info']->tested ) . '</span>';
+					} else {
+						echo '—';
+					}
+					break;
+			}
+		}
+
+
+		/**
+		 * Show inline warning rows beneath problematic plugins in the native list.
+		 *
+		 * @param string $plugin_file Plugin file path relative to plugins dir.
+		 * @param array  $plugin_data Plugin header data.
+		 * @param string $status      Plugin status (active, inactive, etc.).
+		 */
+		public function render_plugin_row_warning( $plugin_file, $plugin_data, $status ) {
+			$slug  = $this->get_plugin_slug( $plugin_file );
+			$cache = get_site_transient( $this->create_cache_key( $slug ) );
+
+			if ( empty( $cache ) ) {
+				return;
+			}
+
+			$warnings = array();
+
+			// Closed on wp.org.
+			if ( isset( $cache['repo_error_code'] ) && 'plugins_api_failed' === $cache['repo_error_code'] && isset( $cache['exists_in_svn'] ) && true === $cache['exists_in_svn'] ) {
+				$warnings[] = array(
+					'level'   => 'error',
+					'message' => __( 'This plugin has been closed on wordpress.org and will no longer receive updates.', 'plugin-report' ),
+				);
+			}
+
+			// Not updated in over 2 years.
+			if ( isset( $cache['repo_info'] ) && isset( $cache['repo_info']->last_updated ) ) {
+				$time_update = new DateTime( $cache['repo_info']->last_updated );
+				$days_since  = ( current_time( 'timestamp' ) - $time_update->getTimestamp() ) / DAY_IN_SECONDS;
+				if ( $days_since > 730 ) {
+					$warnings[] = array(
+						'level'   => 'warning',
+						'message' => __( 'This plugin has not been updated in over 2 years.', 'plugin-report' ),
+					);
+				}
+			}
+
+			// Not tested with current WP major version.
+			if ( isset( $cache['repo_info'] ) && isset( $cache['repo_info']->tested ) && ! empty( $cache['repo_info']->tested ) ) {
+				$wp_latest = $this->check_core_updates();
+				if ( version_compare( $this->get_major_version( $cache['repo_info']->tested ), $this->get_major_version( $wp_latest ), '<' ) ) {
+					$warnings[] = array(
+						'level'   => 'warning',
+						/* translators: %s: WordPress version number */
+						'message' => sprintf( __( 'This plugin has not been tested with the current major version of WordPress (%s).', 'plugin-report' ), $this->get_major_version( $wp_latest ) ),
+					);
+				}
+			}
+
+			if ( empty( $warnings ) ) {
+				return;
+			}
+
+			// Count visible columns to span the full width.
+			$screen  = get_current_screen();
+			$columns = get_column_headers( $screen );
+			$colspan = count( $columns ) + 1; // +1 for the checkbox column.
+
+			foreach ( $warnings as $warning ) {
+				$notice_class = 'error' === $warning['level'] ? 'notice-error' : 'notice-warning';
+				echo '<tr class="plugin-update-tr pr-warning-row pr-warning-' . esc_attr( $warning['level'] ) . '">';
+				echo '<td colspan="' . (int) $colspan . '" class="plugin-update colspanchange">';
+				echo '<div class="update-message notice inline ' . $notice_class . ' notice-alt"><p>';
+				echo esc_html( $warning['message'] );
+				echo '</p></div>';
+				echo '</td>';
+				echo '</tr>';
+			}
+		}
+
+
 		/**
 		 * From a report, generate an HTML table row with relevant data for the plugin.
 		 *