bp_update_to_2_7()

function bp_update_to_2_7() {
	bp_add_option( 'bp-emails-unsubscribe-salt', base64_encode( wp_generate_password( 64, true, true ) ) );

	// Update post_titles
	bp_migrate_directory_page_titles();

	/*
	 * Add `parent_id` column to groups table.
	 * Also handled by `bp_core_install()`.
	 */
	if ( bp_is_active( 'groups' ) ) {
		bp_core_install_groups();

		// Invalidate all cached group objects.
		global $wpdb;
		$bp = buddypress();

		$group_ids = $wpdb->get_col( "SELECT id FROM {$bp->groups->table_name}" );

		foreach ( $group_ids as $group_id ) {
			wp_cache_delete( $group_id, 'bp_groups' );
		}
	}

	// Do not ignore deprecated code for existing installs.
	bp_add_option( '_bp_ignore_deprecated_code', false );
}