diff --git a/nexus/Install/Install.php b/nexus/Install/Install.php
index 73a2aa53..6c6adacc 100644
--- a/nexus/Install/Install.php
+++ b/nexus/Install/Install.php
@@ -67,7 +67,7 @@ class Install
 
     public function getLogFile()
     {
-        return sprintf('%s/nexus_install_%s.log', sys_get_temp_dir(), date('Ymd'));
+        return sprintf('%s/nexus-install-%s.log', sys_get_temp_dir(), date('YmdHis'));
     }
 
     public function getInsallDirectory()
diff --git a/nexus/Install/Update.php b/nexus/Install/Update.php
index 8ce91e16..a5f6fb18 100644
--- a/nexus/Install/Update.php
+++ b/nexus/Install/Update.php
@@ -12,7 +12,7 @@ class Update extends Install
 
     public function getLogFile()
     {
-        return sprintf('%s/nexus_update_%s.log', sys_get_temp_dir(), date('Ymd'));
+        return sprintf('%s/nexus-update-%s.log', sys_get_temp_dir(), date('YmdHis'));
     }
 
     public function getUpdateDirectory()
@@ -64,4 +64,4 @@ class Update extends Install
         }
     }
 
-}
\ No newline at end of file
+}
diff --git a/nexus/Install/settings.default.php b/nexus/Install/settings.default.php
index 0cab93c0..9cd2000a 100644
--- a/nexus/Install/settings.default.php
+++ b/nexus/Install/settings.default.php
@@ -355,7 +355,7 @@
   array (
     'mainversion' => 'NexusPHP',
     'subversion' => 'v1.6.0-beta5',
-    'releasedate' => '2021-04-30',
+    'releasedate' => '2021-05-01',
     'website' => '<a href="https://nexusphp.org" target="_blank">https://nexusphp.org</a>',
   ),
 );
diff --git a/nexus/Install/update/update.php b/nexus/Install/update/update.php
index 15563d33..af4f9bff 100644
--- a/nexus/Install/update/update.php
+++ b/nexus/Install/update/update.php
@@ -25,7 +25,8 @@ if ($currentStep == 1) {
 }
 
 if ($currentStep == 2) {
-    $envExampleFile = "$rootpath.env.example";
+    $envExampleFile = $rootpath . ".env.example";
+    $dbstructureFile = $rootpath . "_db/dbstructure_v1.6.sql";
     $envExampleData = readEnvFile($envExampleFile);
     $envFormControls = $update->listEnvFormControls();
     $newData = array_column($envFormControls, 'value', 'name');
@@ -41,11 +42,17 @@ if ($currentStep == 2) {
     }
     $tableRows = [
         [
-            'label' => '.env.example',
+            'label' => basename($envExampleFile),
             'required' => 'exists && readable',
             'current' => $envExampleFile,
             'result' =>  $update->yesOrNo(file_exists($envExampleFile) && is_readable($envExampleFile)),
         ],
+        [
+            'label' => basename($dbstructureFile),
+            'required' => 'exists && readable',
+            'current' => $dbstructureFile,
+            'result' =>  $update->yesOrNo(file_exists($dbstructureFile) && is_readable($dbstructureFile)),
+        ],
     ];
     $fails = array_filter($tableRows, function ($value) {return $value['result'] == 'NO';});
     $pass = empty($fails);
diff --git a/public/announce.php b/public/announce.php
index d21a8e6e..7fa5b0ec 100644
--- a/public/announce.php
+++ b/public/announce.php
@@ -114,6 +114,7 @@ $real_annnounce_interval = $annintertwo;
 $resp = "d" . benc_str("interval") . "i" . $real_annnounce_interval . "e" . benc_str("min interval") . "i" . $announce_wait . "e". benc_str("complete") . "i" . $torrent["seeders"] . "e" . benc_str("incomplete") . "i" . $torrent["leechers"] . "e" . benc_str("peers");
 
 $peer_list = "";
+$peer6_list = "";
 unset($self);
 // bencoding the peers info get for this announce
 while ($row = mysql_fetch_assoc($res))
@@ -126,27 +127,38 @@ while ($row = mysql_fetch_assoc($res))
 		$self = $row;
 		continue;
 	}
-if ($compact == 1){
-	$longip = ip2long($row['ip']);
-	if ($longip) //Ignore ipv6 address
-		$peer_list .= pack("Nn", sprintf("%d",$longip), $row['port']);
-}
-elseif ($no_peer_id == 1)
-	$peer_list .= "d" .
-	benc_str("ip") . benc_str($row["ip"]) .
-	benc_str("port") . "i" . $row["port"] . "e" .
-	"e";
-else
-	$peer_list .= "d" .
-	benc_str("ip") . benc_str($row["ip"]) .
-	benc_str("peer id") . benc_str($row["peer_id"]) .
-	benc_str("port") . "i" . $row["port"] . "e" .
-	"e";
+    if ($compact == 1){
+        $longip = ip2long($row['ip']);
+        if ($longip) //Ignore ipv6 address
+            $peer_list .= pack("Nn", sprintf("%d",$longip), $row['port']);
+        else
+        {
+            $ipv6_packed = inet_pton($row['ip']);
+            if ($ipv6_packed)
+                $peer6_list .= $ipv6_packed . pack("n", $row['port']);
+        }
+    }
+    elseif ($no_peer_id == 1)
+        $peer_list .= "d" .
+            benc_str("ip") . benc_str($row["ip"]) .
+            benc_str("port") . "i" . $row["port"] . "e" .
+            "e";
+    else
+        $peer_list .= "d" .
+            benc_str("ip") . benc_str($row["ip"]) .
+            benc_str("peer id") . benc_str($row["peer_id"]) .
+            benc_str("port") . "i" . $row["port"] . "e" .
+            "e";
 }
 if ($compact == 1)
-$resp .= benc_str($peer_list);
+    $resp .= benc_str($peer_list);
 else
-$resp .= "l".$peer_list."e";
+    $resp .= "l".$peer_list."e";
+
+if ($compact == 1 && strlen($peer6_list) > 0)
+{
+    $resp .= benc_str("peers6").benc_str($peer6_list);
+}
 
 $resp .= "e";
 $selfwhere = "torrent = $torrentid AND " . hash_where("peer_id", $peer_id);
@@ -381,7 +393,11 @@ elseif(isset($self))
 }
 else
 {
-	$sockres = @pfsockopen($ip, $port, $errno, $errstr, 5);
+    if (strlen($ip) > 15) {
+        $sockres = @pfsockopen("tcp://[".$ip."]",$port,$errno,$errstr,5);
+    } else {
+        $sockres = @pfsockopen($ip, $port, $errno, $errstr, 5);
+    }
 	if (!$sockres)
 	{
 		$connectable = "no";