diff --git a/src/js/_enqueues/wp/updates.js b/src/js/_enqueues/wp/updates.js
index ef4b47e66093e..20395e055d156 100644
--- a/src/js/_enqueues/wp/updates.js
+++ b/src/js/_enqueues/wp/updates.js
@@ -1377,6 +1377,11 @@
 				 * @type {Object}
 				 */
 				plugins          = settings.plugins,
+				knownKeys        = [
+					'all', 'search', 'upgrade', 'active', 'inactive',
+					'recently_activated', 'mustuse', 'dropins', 'paused',
+					'auto-update-enabled', 'auto-update-disabled'
+				],
 				remainingCount;
 
 			// Add a success message after deleting a plugin.
@@ -1445,6 +1450,29 @@
 				}
 			}
 
+			// Decrement counts for any custom group added through the
+			// `plugins_list` filter (e.g. a tab whose label is supplied
+			// via `plugins_list_status_text`, introduced in #60495).
+			_.each( _.keys( plugins ), function( key ) {
+				if ( -1 !== _.indexOf( knownKeys, key ) ) {
+					return;
+				}
+				if ( ! _.isArray( plugins[ key ] ) ) {
+					return;
+				}
+				if ( -1 === _.indexOf( plugins[ key ], response.plugin ) ) {
+					return;
+				}
+
+				plugins[ key ] = _.without( plugins[ key ], response.plugin );
+
+				if ( plugins[ key ].length ) {
+					$views.find( '.' + key + ' .count' ).text( '(' + plugins[ key ].length + ')' );
+				} else {
+					$views.find( '.' + key ).remove();
+				}
+			} );
+
 			plugins.all = _.without( plugins.all, response.plugin );
 
 			if ( plugins.all.length ) {
diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index fa7180874250f..cdae914850160 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -464,6 +464,10 @@ code {
 	white-space: nowrap;
 }
 
+.subsubsub li:not(:last-child)::after {
+	content: "|";
+}
+
 /* .widefat - main style for tables */
 .widefat {
 	border-spacing: 0;
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index 0795da27535c6..ca99984c9a1fd 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -525,7 +525,7 @@ public function views() {
 		foreach ( $views as $class => $view ) {
 			$views[ $class ] = "\t<li class='$class'>$view";
 		}
-		echo implode( " |</li>\n", $views ) . "</li>\n";
+		echo implode( " </li>\n", $views ) . "</li>\n";
 		echo '</ul>';
 	}