diff --git a/examples/bot.php b/examples/bot.php
index d78f4a13..d099b3a5 100755
--- a/examples/bot.php
+++ b/examples/bot.php
@@ -79,7 +79,6 @@ class MyEventHandler extends EventHandler
             return;
         }
         $res = \json_encode($update, JSON_PRETTY_PRINT);
-
         try {
             yield $this->messages->sendMessage(['peer' => $update, 'message' => "<code>$res</code>", 'reply_to_msg_id' => isset($update['message']['id']) ? $update['message']['id'] : null, 'parse_mode' => 'HTML']);
             if (isset($update['message']['media']) && $update['message']['media']['_'] !== 'messageMediaGame') {
diff --git a/src/danog/MadelineProto/APIWrapper.php b/src/danog/MadelineProto/APIWrapper.php
index 04f16686..774d9dc7 100644
--- a/src/danog/MadelineProto/APIWrapper.php
+++ b/src/danog/MadelineProto/APIWrapper.php
@@ -67,6 +67,22 @@ final class APIWrapper
      * @var integer
      */
     private int $serialized = 0;
+    /**
+     * Whether lua is being used.
+     *
+     * @internal
+     *
+     * @var boolean
+     */
+    private bool $lua = false;
+    /**
+     * Whether async is enabled.
+     *
+     * @internal
+     *
+     * @var boolean
+     */
+    private bool $async = false;
 
     /**
      * AbstractAPIFactory instance.
@@ -111,7 +127,7 @@ final class APIWrapper
      */
     public static function __sleep(): array
     {
-        return ['API', 'webApiTemplate', 'gettingApiId', 'myTelegramOrgWrapper', 'storage'];
+        return ['API', 'webApiTemplate', 'gettingApiId', 'myTelegramOrgWrapper', 'storage', 'lua', 'async'];
     }
 
     /**
@@ -124,6 +140,16 @@ final class APIWrapper
         return $this->API;
     }
 
+    /**
+     * Whether async is being used.
+     *
+     * @return boolean
+     */
+    public function isAsync(): bool
+    {
+        return $this->async;
+    }
+
     /**
      * Get API factory.
      *
diff --git a/src/danog/MadelineProto/AbstractAPIFactory.php b/src/danog/MadelineProto/AbstractAPIFactory.php
index ae9296c7..a6954717 100644
--- a/src/danog/MadelineProto/AbstractAPIFactory.php
+++ b/src/danog/MadelineProto/AbstractAPIFactory.php
@@ -54,7 +54,7 @@ abstract class AbstractAPIFactory extends AsyncConstruct
      *
      * @var boolean
      */
-    private bool $async = false;
+    protected bool $async = false;
     /**
      * Method list.
      *
diff --git a/src/danog/MadelineProto/DocsBuilder.php b/src/danog/MadelineProto/DocsBuilder.php
index f2533fe3..6173528f 100644
--- a/src/danog/MadelineProto/DocsBuilder.php
+++ b/src/danog/MadelineProto/DocsBuilder.php
@@ -436,7 +436,11 @@ image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
 ## Type: bytes  
 [Back to constructor index](index.md)
 
-An object of type `\\danog\\MadelineProto\\TL\\Types\\Bytes`.  
+```php
+$bytes = "simple string of bytes";
+```
+
+Internally, an object of type `\\danog\\MadelineProto\\TL\\Types\\Bytes`.  
 When casted to string, turns into a string of bytes of variable length, with length smaller than or equal to 16777215.  
 When JSON-serialized, turns into an array of the following format:  
 ```
diff --git a/src/danog/MadelineProto/InternalDoc.php b/src/danog/MadelineProto/InternalDoc.php
index bf254e13..7d5d2be7 100644
--- a/src/danog/MadelineProto/InternalDoc.php
+++ b/src/danog/MadelineProto/InternalDoc.php
@@ -4121,19 +4121,6 @@ class InternalDoc extends APIFactory
     {
         return $this->API->getDataCenterConnections();
     }
-    /**
-     * Get correct settings array for the latest version.
-     *
-     * @param array $settings         Current settings array
-     * @param array $previousSettings Previous settings array
-     *
-     * @return array
-     */
-    public function getSettings(array $settings, array $previousSettings = [
-    ]): array
-    {
-        return \danog\MadelineProto\MTProto::getSettings($settings, $previousSettings);
-    }
     /**
      * Parse, update and store settings.
      *
@@ -4146,6 +4133,15 @@ class InternalDoc extends APIFactory
     {
         return $this->__call(__FUNCTION__, [$settings, $reinit, $extra]);
     }
+    /**
+     * Return current settings array.
+     *
+     * @return array
+     */
+    public function getSettings(): array
+    {
+        return $this->API->getSettings();
+    }
     /**
      * Setup logger.
      *
diff --git a/src/danog/MadelineProto/Logger.php b/src/danog/MadelineProto/Logger.php
index 46b1fac3..47d8787f 100644
--- a/src/danog/MadelineProto/Logger.php
+++ b/src/danog/MadelineProto/Logger.php
@@ -110,7 +110,7 @@ class Logger
     {
         if (!self::$default) {
             // The getLogger function will automatically init the static logger, but we'll do it again anyway
-            self::$default = self::getLoggerFromSettings(MTProto::getSettings($settings));
+            self::$default = self::getLoggerFromSettings(MTProto::parseSettings($settings));
         }
     }
     /**
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 25f34b78..1003ad68 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -976,9 +976,11 @@ class MTProto extends AsyncConstruct implements TLCallback
      * @param array $settings         Current settings array
      * @param array $previousSettings Previous settings array
      *
+     * @internal
+     *
      * @return array
      */
-    public static function getSettings(array $settings, array $previousSettings = []): array
+    public static function parseSettings(array $settings, array $previousSettings = []): array
     {
         Magic::classExists();
         $settings = \array_replace_recursive($previousSettings, $settings);
@@ -1296,7 +1298,7 @@ class MTProto extends AsyncConstruct implements TLCallback
      */
     public function updateSettings(array $settings, bool $reinit = true): \Generator
     {
-        $settings = self::getSettings($settings, $this->settings);
+        $settings = self::parseSettings($settings, $this->settings);
         if ($settings['app_info'] === null) {
             throw new \danog\MadelineProto\Exception(Lang::$current_lang['api_not_set'], 0, null, 'MadelineProto', 1);
         }
@@ -1312,6 +1314,15 @@ class MTProto extends AsyncConstruct implements TLCallback
             yield from $this->initAsynchronously();
         }
     }
+    /**
+     * Return current settings array.
+     *
+     * @return array
+     */
+    public function getSettings(): array
+    {
+        return $this->settings;
+    }
     /**
      * Setup logger.
      *
diff --git a/src/danog/MadelineProto/MyTelegramOrgWrapper.php b/src/danog/MadelineProto/MyTelegramOrgWrapper.php
index aa5485bd..f6a6ee54 100644
--- a/src/danog/MadelineProto/MyTelegramOrgWrapper.php
+++ b/src/danog/MadelineProto/MyTelegramOrgWrapper.php
@@ -42,7 +42,7 @@ class MyTelegramOrgWrapper
     }
     public function __construct($settings = [])
     {
-        $this->settings = MTProto::getSettings($settings, $this->settings);
+        $this->settings = MTProto::parseSettings($settings, $this->settings);
         $this->__wakeup();
     }
     public function __wakeup()
@@ -53,7 +53,7 @@ class MyTelegramOrgWrapper
         if (!$this->jar || !$this->jar instanceof InMemoryCookieJar) {
             $this->jar = new InMemoryCookieJar();
         }
-        $this->settings = MTProto::getSettings($this->settings);
+        $this->settings = MTProto::parseSettings($this->settings);
         $this->datacenter = new DataCenter(new class($this->settings) {
             public function __construct($settings)
             {
diff --git a/src/danog/MadelineProto/TL/Types/Button.php b/src/danog/MadelineProto/TL/Types/Button.php
index 7ca115c0..e312b232 100644
--- a/src/danog/MadelineProto/TL/Types/Button.php
+++ b/src/danog/MadelineProto/TL/Types/Button.php
@@ -19,74 +19,147 @@
 
 namespace danog\MadelineProto\TL\Types;
 
+use danog\MadelineProto\MTProto;
+use danog\MadelineProto\Tools;
+
 class Button implements \JsonSerializable, \ArrayAccess
 {
-    use \danog\Serializable;
-    use \danog\MadelineProto\Tools;
-    private $info = [];
-    private $data = [];
-    public function __magic_construct($API, $message, $button)
+    /**
+     * Button data.
+     */
+    private array $button;
+    /**
+     * MTProto instance.
+     */
+    private MTProto $API;
+    /**
+     * Message ID.
+     */
+    private int $id;
+    /**
+     * Peer ID.
+     *
+     * @var array|int
+     */
+    private $peer;
+    /**
+     * Constructor function.
+     *
+     * @param MTProto $API     API instance
+     * @param array   $message Message
+     * @param array   $button  Button info
+     */
+    public function __construct(MTProto $API, array $message, array $button)
     {
-        $this->data = $button;
-        $this->info['peer'] = $message['to_id'] === ['_' => 'peerUser', 'user_id' => $API->authorization['user']['id']] ? $message['from_id'] : $message['to_id'];
-        $this->info['id'] = $message['id'];
-        $this->info['API'] = $API;
+        $this->button = $button;
+        $this->peer = $message['to_id'] === ['_' => 'peerUser', 'user_id' => $API->authorization['user']['id']] ? $message['from_id'] : $message['to_id'];
+        $this->id = $message['id'];
+        $this->API = $API;
     }
-    public function __sleep()
+    /**
+     * Sleep function.
+     *
+     * @return array
+     */
+    public function __sleep(): array
     {
-        return ['data', 'info'];
+        return ['button', 'peer', 'id', 'API'];
     }
-    public function click($donotwait = false, $params = [])
+    /**
+     * Click on button.
+     *
+     * @param boolean $donotwait Whether to wait for the result of the method
+     *
+     * @return mixed
+     */
+    public function click(bool $donotwait = true)
     {
-        if (\is_array($donotwait)) {
-            $params = $donotwait;
-            $donotwait = false;
-        }
-        $async = $params['async'] ?? (isset($this->info['API']->wrapper) ? $this->info['API']->wrapper->async : true);
+        $async = isset($this->API->wrapper) ? $this->API->wrapper->isAsync() : true;
         $method = $donotwait ? 'methodCallAsyncWrite' : 'methodCallAsyncRead';
-        switch ($this->data['_']) {
+        switch ($this->button['_']) {
             default:
                 return false;
             case 'keyboardButtonUrl':
-                return $this->data['url'];
+                return $this->button['url'];
             case 'keyboardButton':
-                $res = $this->info['API']->methodCallAsyncRead('messages.sendMessage', ['peer' => $this->info['peer'], 'message' => $this->data['text'], 'reply_to_msg_id' => $this->info['id']], ['datacenter' => $this->info['API']->datacenter->curdc]);
+                $res = $this->API->methodCallAsyncRead('messages.sendMessage', ['peer' => $this->peer, 'message' => $this->button['text'], 'reply_to_msg_id' => $this->id], ['datacenter' => $this->API->datacenter->curdc]);
                 break;
             case 'keyboardButtonCallback':
-                $res = $this->info['API']->{$method}('messages.getBotCallbackAnswer', ['peer' => $this->info['peer'], 'msg_id' => $this->info['id'], 'data' => $this->data['data']], ['datacenter' => $this->info['API']->datacenter->curdc]);
+                $res = $this->API->{$method}('messages.getBotCallbackAnswer', ['peer' => $this->peer, 'msg_id' => $this->id, 'data' => $this->button['data']], ['datacenter' => $this->API->datacenter->curdc]);
                 break;
             case 'keyboardButtonGame':
-                $res = $this->info['API']->{$method}('messages.getBotCallbackAnswer', ['peer' => $this->info['peer'], 'msg_id' => $this->info['id'], 'game' => true], ['datacenter' => $this->info['API']->datacenter->curdc]);
+                $res = $this->API->{$method}('messages.getBotCallbackAnswer', ['peer' => $this->peer, 'msg_id' => $this->id, 'game' => true], ['datacenter' => $this->API->datacenter->curdc]);
                 break;
         }
-        return $async ? $res : \danog\MadelineProto\Tools::wait($res);
+        return $async ? $res : Tools::wait($res);
     }
-    public function __debugInfo()
+    /**
+     * Get debug info.
+     *
+     * @return array
+     */
+    public function __debugInfo(): array
     {
-        return ['data' => $this->data, 'info' => ['peer' => $this->info['peer'], 'id' => $this->info['id']]];
+        $res = \get_object_vars($this);
+        unset($res['API']);
+        return $res;
     }
-    public function jsonSerialize()
+    /**
+     * Serialize button.
+     *
+     * @return array
+     */
+    public function jsonSerialize(): array
     {
-        return (array) $this->data;
+        return $this->button;
     }
-    public function offsetSet($name, $value)
+    /**
+     * Set button info.
+     *
+     * @param $name  Offset
+     * @param mixed  $value Value
+     *
+     * @return void
+     */
+    public function offsetSet($name, $value): void
     {
         if ($name === null) {
-            $this->data[] = $value;
+            $this->button[] = $value;
         } else {
-            $this->data[$name] = $value;
+            $this->button[$name] = $value;
         }
     }
+    /**
+     * Get button info.
+     *
+     * @param $name Field name
+     *
+     * @return void
+     */
     public function offsetGet($name)
     {
-        return $this->data[$name];
+        return $this->button[$name];
     }
-    public function offsetUnset($name)
+    /**
+     * Unset button info.
+     *
+     * @param $name Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($name): void
     {
-        unset($this->data[$name]);
+        unset($this->button[$name]);
     }
-    public function offsetExists($name)
+    /**
+     * Check if button field exists.
+     *
+     * @param $name Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($name): bool
     {
-        return isset($this->data[$name]);
+        return isset($this->button[$name]);
     }
 }
diff --git a/src/danog/MadelineProto/TL/Types/Bytes.php b/src/danog/MadelineProto/TL/Types/Bytes.php
index 23483697..edf6f4a5 100644
--- a/src/danog/MadelineProto/TL/Types/Bytes.php
+++ b/src/danog/MadelineProto/TL/Types/Bytes.php
@@ -21,42 +21,95 @@ namespace danog\MadelineProto\TL\Types;
 
 class Bytes implements \JsonSerializable, \ArrayAccess
 {
-    use \danog\Serializable;
-    private $bytes = [];
-    public function __magic_construct($bytes)
+    /**
+     * Bytes.
+     *
+     * @var string Bytes
+     */
+    private string $bytes;
+    /**
+     * Constructor function.
+     *
+     * @param string $bytes Contents
+     */
+    public function __construct(string $bytes)
     {
         $this->bytes = $bytes;
     }
-    public function __sleep()
+    /**
+     * Sleep function.
+     *
+     * @return array
+     */
+    public function __sleep(): array
     {
         return ['bytes'];
     }
-    public function __toString()
+    /**
+     * Cast bytes to string.
+     *
+     * @return string
+     */
+    public function __toString(): string
     {
         return $this->bytes;
     }
-    public function jsonSerialize()
+    /**
+     * Obtain values for JSON-encoding.
+     *
+     * @return array
+     */
+    public function jsonSerialize(): array
     {
         return ['_' => 'bytes', 'bytes' => \base64_encode($this->bytes)];
     }
-    public function offsetSet($name, $value)
+    /**
+     * Set char at offset.
+     *
+     * @param integer|null $offset Offset
+     * @param string       $value  Char
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value): void
     {
-        if ($name === null) {
+        if ($offset === null) {
             $this->bytes .= $value;
         } else {
-            $this->bytes[$name] = $value;
+            $this->bytes[$offset] = $value;
         }
     }
-    public function offsetGet($name)
+    /**
+     * Get char at offset.
+     *
+     * @param integer $offset Name
+     *
+     * @return string
+     */
+    public function offsetGet($offset): string
     {
-        return $this->bytes[$name];
+        return $this->bytes[$offset];
     }
-    public function offsetUnset($name)
+    /**
+     * Unset char at offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset): void
     {
-        unset($this->bytes[$name]);
+        unset($this->bytes[$offset]);
     }
-    public function offsetExists($name)
+    /**
+     * Check if char at offset exists.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset): bool
     {
-        return isset($this->bytes[$name]);
+        return isset($this->bytes[$offset]);
     }
 }