diff --git a/classes/newsletter.php b/classes/newsletter.php
index d5f020d..a72b9e3 100644
--- a/classes/newsletter.php
+++ b/classes/newsletter.php
@@ -208,7 +208,7 @@ public function get_instance(): object {
     /**
      * Get subscription id of user if $userid = 0 id of current user is returned
      *
-     * @param int userid
+     * @param int $userid
      * @return int|boolean subscriptionid | false if no subscription is found
      */
     public function get_subid(int $userid = 0) {
@@ -274,19 +274,6 @@ public function get_config(): object {
         return $this->config;
     }
 
-    /**
-     * get all subscribed users for a newsletter instance
-     *
-     * @return array of objects with subscription id as key
-     */
-    public function get_subscriptions(): array {
-        global $DB;
-        return $DB->get_records(
-            'newsletter_subscriptions',
-            array('id' => $this->get_instance()->id)
-        );
-    }
-
     /**
      * Reset user data
      *
@@ -1137,7 +1124,7 @@ private function view_manage_subscriptions(array $params) {
      * @return int
      * @throws \dml_exception
      */
-    public static function get_delivered_issues($userid) {
+    public static function get_delivered_issues($userid): int {
         global $DB;
         $delivered = $DB->count_records('newsletter_deliveries', array('userid' => $userid));
         return $delivered;
@@ -1288,6 +1275,10 @@ private function prepare_issue_list($heading, $groupby) {
                 $dateformat = get_string("week") . " %W/%Y";
                 $datefromto = "%d. %B %Y";
                 break;
+            default:
+                $from = strtotime("first day of this month", $firstissue->publishon);
+                $to = strtotime("next month", $from);
+                $dateformat = "%B %Y";
         }
 
         $sectionlist = new \newsletter_section_list($heading);
@@ -1335,7 +1326,7 @@ private function prepare_issue_list($heading, $groupby) {
                 if (!($issue->publishon > time() && !$editissue)) { // Do not display issues that
                     // are not yet published.
                     $currentissuelist->add_issue_summary(
-                        new \newsletter_issue_summary($issue, $editissue, $deleteissue)
+                        new \newsletter_issue_summary($issue, $editissue, $deleteissue, $duplicateissue)
                     );
                 }
             } // End if issue in timeslot.
diff --git a/renderable.php b/renderable.php
index f1dd24a..cc3bf7e 100755
--- a/renderable.php
+++ b/renderable.php
@@ -123,12 +123,14 @@ public function __construct(stdClass $issue) {
     }
 }
 
+/**
+ *
+ */
 class newsletter_issue_summary extends newsletter_issue {
     public $editissue;
     public $deleteissue;
     public $duplicateissue;
 
-
     public function __construct(stdClass $issue, $editissue = false, $deleteissue = false, $duplicateissue = false) {
         parent::__construct($issue);
         $this->editissue = $editissue;
@@ -138,9 +140,9 @@ public function __construct(stdClass $issue, $editissue = false, $deleteissue =
 }
 
 class newsletter_subscription_list implements renderable {
-    public $cmid;
-    public $subscriptions;
-    public $columns;
+    public int $cmid;
+    public array $subscriptions;
+    public array $columns;
     public function __construct($cmid, array $subscriptions, array $columns) {
         $this->cmid = $cmid;
         $this->subscriptions = $subscriptions;
@@ -166,8 +168,8 @@ public function add_issue_summary(newsletter_issue_summary $issue) {
 
 class newsletter_section_list implements renderable {
 
-    public $heading = '';
-    public $sections = array();
+    public string $heading = '';
+    public array $sections = array();
 
     /**
      * Constructor
diff --git a/renderer.php b/renderer.php
index 5c5d40d..fa42619 100755
--- a/renderer.php
+++ b/renderer.php
@@ -201,11 +201,6 @@ public function render_newsletter_issue_summary(newsletter_issue_summary $issue)
                 $output .= $this->render(
                         new newsletter_progressbar($issue->numnotyetdelivered, $issue->numdelivered));
             }
-
-            if ($issue->duplicateissue) {
-                $output .= $this->render(
-                        new newsletter_progressbar($issue->numnotyetdelivered, $issue->numdelivered));
-            }
         } else {
             $output .= $this->render(new newsletter_publish_countdown($now, $issue->publishon));
         }
@@ -364,8 +359,8 @@ public function render_newsletter_progressbar(newsletter_progressbar $progressba
         }
 
         $output .= html_writer::start_tag('div', array('class' => 'progress'));
-        $output .= html_writer::div($completed, '',
-                array('class' => 'progress-bar', 'role' => 'progressbar',
+        $output .= html_writer::div($completed, 'progress-bar',
+                array('role' => 'progressbar',
                         'aria-valuenow' => $value, 'aria-valuemin' => '0', 'aria-valuemax' => '100',
                         'style' => 'width:' . $value . '%'));
         $output .= html_writer::end_tag('div');