Index: src/wp-includes/option.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
--- a/src/wp-includes/option.php	(revision b316c8b25fc71920d89ee37ee26609a77b2a305a)
+++ b/src/wp-includes/option.php	(date 1654851882401)
@@ -2514,3 +2514,16 @@
 
 	return $registered[ $option ]['default'];
 }
+
+/**
+ * Prints error message if site doesn't have a tagline.
+ *
+ * @since 6.1.0
+ *
+ * @return void
+ */
+function _push_admin_notice_on_empty_tagline () {
+	if ( empty(get_option( 'blogdescription' )) ) {
+		echo '<div class="error"> <p>' . __( 'Please add your site tagline. ' ) . '<a href="'. admin_url( 'options-general.php' ) .'">' . __('Click Here') . '</a></p> </div>';
+	}
+}
Index: src/wp-admin/includes/admin-filters.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/src/wp-admin/includes/admin-filters.php b/src/wp-admin/includes/admin-filters.php
--- a/src/wp-admin/includes/admin-filters.php	(revision b316c8b25fc71920d89ee37ee26609a77b2a305a)
+++ b/src/wp-admin/includes/admin-filters.php	(date 1654851159207)
@@ -167,3 +167,6 @@
 
 // Append '(Draft)' to draft page titles in the privacy page dropdown.
 add_filter( 'list_pages', '_wp_privacy_settings_filter_draft_page_titles', 10, 2 );
+
+// Add an admin notice if tagline is empty.
+add_action('admin_notices', '_push_admin_notice_on_empty_tagline');