diff --git a/blocks/newbb_block.php b/blocks/newbb_block.php
index 9b0e731b..bf9960b9 100644
--- a/blocks/newbb_block.php
+++ b/blocks/newbb_block.php
@@ -929,11 +929,7 @@ function b_newbb_author_edit($options)
 function b_newbb_custom($options)
 {
     // if no newbb module block set, we have to include the language file
-    if (is_readable($GLOBALS['xoops']->path('modules/newbb/language/' . $GLOBALS['xoopsConfig']['language'] . '/blocks.php'))) {
-        require_once $GLOBALS['xoops']->path('modules/newbb/language/' . $GLOBALS['xoopsConfig']['language'] . '/blocks.php');
-    } else {
-        require_once $GLOBALS['xoops']->path('modules/newbb/language/english/blocks.php');
-    }
+    xoops_loadLanguage('blocks', 'newbb');
 
     $options = explode('|', $options);
     $block   = b_newbb_show($options);
diff --git a/class/ForumHandler.php b/class/ForumHandler.php
index 0d1088e6..a9a63863 100644
--- a/class/ForumHandler.php
+++ b/class/ForumHandler.php
@@ -37,7 +37,7 @@ public function __construct(\XoopsDatabase $db = null)
     /**
      * @param \XoopsObject $object
      * @param bool         $force
-     * @return bool
+     * @return bool|int
      * @internal param \XoopsObject $forum
      */
     public function insert(\XoopsObject $object, $force = true) //insert($forum)
diff --git a/class/OnlineHandler.php b/class/OnlineHandler.php
index 662d3a91..9ce6fd26 100644
--- a/class/OnlineHandler.php
+++ b/class/OnlineHandler.php
@@ -257,6 +257,7 @@ public function write($uid, $uname, $time, $forum_id, $ip, $topic_id)
             return false;
         }
 
+        /** @var \XoopsOnlineHandler $xoopsOnlineHandler */
         $xoopsOnlineHandler = \xoops_getHandler('online');
         $xoopsOnlineTable    = $xoopsOnlineHandler->table;
 
@@ -295,6 +296,7 @@ public function gc($expire)
         $sql = 'DELETE FROM ' . $this->db->prefix('newbb_online') . ' WHERE online_updated < ' . (\time() - (int)$expire);
         $this->db->queryF($sql);
 
+        /** @var \XoopsOnlineHandler $xoopsOnlineHandler */
         $xoopsOnlineHandler = \xoops_getHandler('online');
         $xoopsOnlineHandler->gc($expire);
     }
@@ -302,7 +304,7 @@ public function gc($expire)
     /**
      * Get an array of online information
      *
-     * @param \CriteriaElement|\CriteriaCompo|null $criteria {@link \CriteriaElement}
+     * @param \CriteriaElement|null $criteria {@link \CriteriaElement}
      * @return array           Array of associative arrays of online information
      */
     public function getAll($criteria = null)
@@ -310,7 +312,7 @@ public function getAll($criteria = null)
         $ret   = [];
         $limit = $start = 0;
         $sql   = 'SELECT * FROM ' . $this->db->prefix('newbb_online');
-        if (\is_object($criteria) && $criteria instanceof CriteriaElement) {
+        if (\is_object($criteria) && ($criteria instanceof \CriteriaCompo || $criteria instanceof \Criteria)) {
             $sql   .= ' ' . $criteria->renderWhere();
             $limit = $criteria->getLimit();
             $start = $criteria->getStart();
@@ -371,7 +373,7 @@ public function checkStatus($uids)
     public function getCount($criteria = null)
     {
         $sql = 'SELECT COUNT(*) FROM ' . $this->db->prefix('newbb_online');
-        if (\is_object($criteria) && $criteria instanceof CriteriaElement) {
+        if (\is_object($criteria) && ($criteria instanceof \CriteriaCompo || $criteria instanceof \Criteria)) {
             $sql .= ' ' . $criteria->renderWhere();
         }
         if (!$result = $this->db->query($sql)) {
diff --git a/class/PostHandler.php b/class/PostHandler.php
index cb2dd90c..823bf607 100644
--- a/class/PostHandler.php
+++ b/class/PostHandler.php
@@ -483,7 +483,7 @@ public function getPostCount($criteria = null, $join = null)
         // LEFT JOIN
         $sql .= $join;
         // WHERE
-        if (null !== $criteria && $criteria instanceof \CriteriaElement) {
+        if (\is_object($criteria) && is_subclass_of($criteria,  \CriteriaElement::class)) {
             $sql .= ' ' . $criteria->renderWhere();
         }
         if (!$result = $this->db->query($sql)) {
@@ -515,7 +515,7 @@ public function getPostsByLimit($criteria = null, $limit = 1, $start = 0, $join
         if (!empty($join)) {
             $sql .= $join;
         }
-        if (null !== $criteria && $criteria instanceof \CriteriaElement) {
+        if (\is_object($criteria) && is_subclass_of($criteria,  \CriteriaElement::class)) {
             $sql .= ' ' . $criteria->renderWhere();
             if ('' !== $criteria->getSort()) {
                 $sql .= ' ORDER BY ' . $criteria->getSort() . ' ' . $criteria->getOrder();
diff --git a/docs/changelog.txt b/docs/changelog.txt
index f1c97a50..83bc8ce1 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -1,4 +1,4 @@
-<h5>5.01 Beta 3 [NOT RELEASED]</h5>  Dev: XOOPS 2.5.11, PHP 7.4.14, PHP 8.0.1
+<h5>5.01 Beta 3 [2021-02-14]</h5>  Dev: XOOPS 2.5.11, PHP 7.4.14, PHP 8.0.2
 <hr>
 - 'isset' replaced with coalesce (mamba)
 - rename $newbbpermHandler (mamba)
diff --git a/xoops_version.php b/xoops_version.php
index 91b29548..9447495b 100644
--- a/xoops_version.php
+++ b/xoops_version.php
@@ -16,7 +16,7 @@
 $modversion = [
     'version'             => 5.01,
     'module_status'       => 'Beta 3',
-    'release_date'        => '2021/01/31',
+    'release_date'        => '2021/02/14',
     'name'                => _MI_NEWBB_NAME,
     'description'         => _MI_NEWBB_DESC,
     'help'                => 'page=help',