Index: wp-includes/version.php
===================================================================
--- wp-includes/version.php	(revision 19381)
+++ wp-includes/version.php	(working copy)
@@ -11,7 +11,7 @@
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 19364;
+$wp_db_version = 19365;
 
 /**
  * Holds the TinyMCE version
Index: wp-admin/includes/upgrade.php
===================================================================
--- wp-admin/includes/upgrade.php	(revision 19381)
+++ wp-admin/includes/upgrade.php	(working copy)
@@ -1146,6 +1146,11 @@
 		$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('show_admin_bar_admin', 'plugins_last_view')" );
 	}
 
+	if ( $wp_current_db_version < 19383 && is_multisite() && is_main_site() ) {
+		// populate_options() will handle single-site.
+		update_site_option( 'initial_db_version', $wp_current_db_version );
+	}
+
 	if ( $wp_current_db_version >= 11548 )
 		return;
 
Index: wp-admin/includes/schema.php
===================================================================
--- wp-admin/includes/schema.php	(revision 19381)
+++ wp-admin/includes/schema.php	(working copy)
@@ -330,7 +330,7 @@
  * @uses $wp_db_version
  */
 function populate_options() {
-	global $wpdb, $wp_db_version, $current_site;
+	global $wpdb, $wp_db_version, $current_site, $wp_db_current_db_version;
 
 	$guessurl = wp_guess_url();
 
@@ -480,6 +480,12 @@
 	'default_post_format' => 0,
 	);
 
+	// 3.3
+	if ( ! is_multisite() ) {
+		$options['initial_db_version'] = ! empty( $wp_db_current_db_version ) && $wp_current_db_version < $wp_db_version
+			? $wp_current_db_version : $wp_db_version;
+	}
+
 	// 3.0 multisite
 	if ( is_multisite() ) {
 		/* translators: blog tagline */
@@ -886,7 +892,8 @@
 		'add_new_users' => '0',
 		'upload_space_check_disabled' => '0',
 		'subdomain_install' => intval( $subdomain_install ),
-		'global_terms_enabled' => global_terms_enabled() ? '1' : '0'
+		'global_terms_enabled' => global_terms_enabled() ? '1' : '0',
+		'initial_db_version' => get_option( 'initial_db_version' ),
 	);
 	if ( ! $subdomain_install )
 		$sitemeta['illegal_names'][] = 'blog';