diff --git a/README.md b/README.md
index 007d920ef..1d4e01f6a 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ It can login with a phone number (MTProto API), or with a bot token (MTProto API
 ```php
 <?php
 
+// PHP 8.2+ is required.
+
 if (!file_exists('madeline.php')) {
     copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
 }
diff --git a/docs b/docs
index b42eb2712..bfbaedd6a 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit b42eb2712569558b159263d44430df0848573fa6
+Subproject commit bfbaedd6af4dc5b64298189783b81738ec5c5c08
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index d0b0d393e..a0901a241 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -100,8 +100,8 @@
     <PossiblyNullReference>
       <code>getInputClientProxy</code>
       <code>isHttp</code>
-      <code>refreshNext</code>
-      <code>refreshNext</code>
+      <code>refreshNextDisable</code>
+      <code>refreshNextEnable</code>
     </PossiblyNullReference>
     <PossiblyUndefinedArrayOffset>
       <code><![CDATA[$res['chat_id']]]></code>
@@ -1713,10 +1713,6 @@
     <PossiblyNullArrayOffset>
       <code><![CDATA[$res['participants']]]></code>
     </PossiblyNullArrayOffset>
-    <PossiblyUndefinedArrayOffset>
-      <code><![CDATA[$partial['InputChannel']]]></code>
-      <code><![CDATA[$partial['InputUser']]]></code>
-    </PossiblyUndefinedArrayOffset>
   </file>
   <file src="src/MTProtoTools/ReferenceDatabase.php">
     <PossiblyNullArrayAccess>
@@ -1751,9 +1747,6 @@
     <InaccessibleProperty>
       <code><![CDATA[$last->nextSent]]></code>
     </InaccessibleProperty>
-    <InvalidArrayOffset>
-      <code><![CDATA[$info['User']]]></code>
-    </InvalidArrayOffset>
     <MissingReturnType>
       <code>getUpdatesState</code>
       <code>loadUpdateState</code>
diff --git a/src/Broadcast/Action/ActionSend.php b/src/Broadcast/Action/ActionSend.php
index 8b94c8507..ec17b8bea 100644
--- a/src/Broadcast/Action/ActionSend.php
+++ b/src/Broadcast/Action/ActionSend.php
@@ -40,8 +40,8 @@ public function act(int $broadcastId, int $peer, Cancellation $cancellation): vo
                     return;
                 }
                 $id = $this->API->extractMessageId($this->API->methodCallAsyncRead(
-                    isset($message['media']['_']) &&
-                        $message['media']['_'] !== 'messageMediaWebPage'
+                    \is_string($message['media']) || (isset($message['media']['_']) &&
+                        $message['media']['_'] !== 'messageMediaWebPage')
                         ? 'messages.sendMedia'
                         : 'messages.sendMessage',
                     array_merge($message, ['peer' => $peer, 'floodWaitLimit' => 2*86400, 'cancellation' => $cancellation]),
diff --git a/src/Connection.php b/src/Connection.php
index 9f409c268..539f20c68 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -555,16 +555,19 @@ public function sendMessage(MTProtoOutgoingMessage $message): void
         if (!$message->hasSerializedBody() || $message->shouldRefreshReferences()) {
             $body = $message->getBody();
             if ($message->shouldRefreshReferences()) {
-                $this->API->referenceDatabase->refreshNext(true);
+                $this->API->referenceDatabase->refreshNextEnable();
             }
-            if ($message->isMethod) {
-                $body = $this->API->getTL()->serializeMethod($message->constructor, $body);
-            } else {
-                $body['_'] = $message->constructor;
-                $body = $this->API->getTL()->serializeObject(['type' => ''], $body, $message->constructor);
-            }
-            if ($message->shouldRefreshReferences()) {
-                $this->API->referenceDatabase->refreshNext(false);
+            try {
+                if ($message->isMethod) {
+                    $body = $this->API->getTL()->serializeMethod($message->constructor, $body);
+                } else {
+                    $body['_'] = $message->constructor;
+                    $body = $this->API->getTL()->serializeObject(['type' => ''], $body, $message->constructor);
+                }
+            } finally {
+                if ($message->shouldRefreshReferences()) {
+                    $this->API->referenceDatabase->refreshNextDisable();
+                }
             }
             $message->setSerializedBody($body);
             unset($body);
diff --git a/src/MTProtoTools/Files.php b/src/MTProtoTools/Files.php
index c6dfdfb64..bc82c829b 100644
--- a/src/MTProtoTools/Files.php
+++ b/src/MTProtoTools/Files.php
@@ -1110,7 +1110,7 @@ public function downloadToCallable(mixed $messageMedia, callable $callable, ?cal
             $origCb(100, 0, 0);
             return;
         }
-        $parallel_chunks = $seekable ? $parallel_chunks : 1;
+        $parallel_chunks = $seekable ? $parallel_chunks : 2;
         if ($params) {
             $previous_promise = true;
             $promises = [];
diff --git a/src/MTProtoTools/ReferenceDatabase.php b/src/MTProtoTools/ReferenceDatabase.php
index 1fc2bc325..e65b87863 100644
--- a/src/MTProtoTools/ReferenceDatabase.php
+++ b/src/MTProtoTools/ReferenceDatabase.php
@@ -441,19 +441,23 @@ private function storeReference(string $location, string $reference, int $origin
 
         EventLoop::queue($this->flush(...), $location);
     }
-    public function refreshNext(bool $refresh = false): void
+    public function refreshNextEnable(): void
     {
-        if ($this->refreshCount === 1 && !$refresh) {
-            $this->refreshed = [];
-            $this->refreshCount--;
-            $this->refresh = false;
-        } elseif ($this->refreshCount === 0 && $refresh) {
+        if ($this->refreshCount === 0) {
             $this->refreshed = [];
             $this->refreshCount++;
             $this->refresh = true;
-        } elseif ($this->refreshCount === 0 && !$refresh) {
-        } elseif ($refresh) {
+        } else {
             $this->refreshCount++;
+        }
+    }
+    public function refreshNextDisable(): void
+    {
+        if ($this->refreshCount === 1) {
+            $this->refreshed = [];
+            $this->refreshCount--;
+            $this->refresh = false;
+        } elseif ($this->refreshCount === 0) {
         } else {
             $this->refreshCount--;
         }
diff --git a/src/TL/Conversion/BotAPI.php b/src/TL/Conversion/BotAPI.php
index 9c9f8dc4d..60a188769 100644
--- a/src/TL/Conversion/BotAPI.php
+++ b/src/TL/Conversion/BotAPI.php
@@ -206,7 +206,7 @@ public function MTProtoToBotAPI(array $data): array
                 if (isset($data['fwd_from']['from_id'])) {
                     $newd['forward_from'] = ($this->getPwrChat($data['fwd_from']['from_id'], false));
                 }
-                if ($data['fwd_from'] < 0) {
+                if (isset($data['fwd_from']) && $data['fwd_from'] < 0) {
                     try {
                         $newd['forward_from_chat'] = $this->getPwrChat($data['fwd_from'], false);
                     } catch (Throwable $e) {