diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 72700bc0..8bcf1f92 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -46,7 +46,7 @@ class MTProto
     /*
         const V = 71;
     */
-    const V = 77;
+    const V = 78;
 
     const NOT_LOGGED_IN = 0;
     const WAITING_CODE = 1;
@@ -186,7 +186,6 @@ class MTProto
 
     private $ipv6 = false;
     public $run_workers = false;
-    public $threads = false;
     public $setdem = false;
     public $storage = [];
     private $emojis;
@@ -238,7 +237,6 @@ class MTProto
         $this->twoe2047 = new \phpseclib\Math\BigInteger('16158503035655503650357438344334975980222051334857742016065172713762327569433945446598600705761456731844358980460949009747059779575245460547544076193224141560315438683650498045875098875194826053398028819192033784138396109321309878080919047169238085235290822926018152521443787945770532904303776199561965192760957166694834171210342487393282284747428088017663161029038902829665513096354230157075129296432088558362971801859230928678799175576150822952201848806616643615613562842355410104862578550863465661734839271290328348967522998634176499319107762583194718667771801067716614802322659239302476074096777926805529798115328');
         $this->twoe2048 = new \phpseclib\Math\BigInteger('32317006071311007300714876688669951960444102669715484032130345427524655138867890893197201411522913463688717960921898019494119559150490921095088152386448283120630877367300996091750197750389652106796057638384067568276792218642619756161838094338476170470581645852036305042887575891541065808607552399123930385521914333389668342420684974786564569494856176035326322058077805659331026192708460314150258592864177116725943603718461857357598351152301645904403697613233287231227125684710820209725157101726931323469678542580656697935045997268352998638215525166389437335543602135433229604645318478604952148193555853611059596230656');
 
-        $this->setup_threads();
 
         $this->connect_to_all_dcs();
         $this->datacenter->curdc = 2;
@@ -302,15 +300,6 @@ class MTProto
             throw new Bug74586Exception();
         }
 
-        /*
-        if (method_exists($this->datacenter, 'wakeup')) $this->datacenter = $this->datacenter->wakeup();
-        foreach ($this->rsa_keys as $key => $elem) {
-            if (method_exists($elem, 'wakeup')) $this->rsa_keys[$key] = $elem->wakeup();
-        }
-        foreach ($this->datacenter->sockets as $key => $elem) {
-            if (method_exists($elem, 'wakeup')) $this->datacenter->sockets[$key] = $elem->wakeup();
-        }
-        */
         if (isset($this->data)) {
             foreach ($this->data as $k => $v) {
                 $this->{$k} = $v;
@@ -324,11 +313,6 @@ class MTProto
         foreach ($this->channels_state as $key => $state) {
             $this->channels_state[$key]['sync_loading'] = false;
         }
-        foreach (debug_backtrace(0) as $trace) {
-            if (isset($trace['function']) && isset($trace['class']) && $trace['function'] === 'deserialize' && $trace['class'] === 'danog\MadelineProto\Serialization') {
-                $this->updates_state['sync_loading'] = isset($trace['args'][1]) && $trace['args'][1];
-            }
-        }
         $force = false;
         $this->reset_session();
         if (!isset($this->v) || $this->v !== self::V) {
@@ -364,7 +348,10 @@ class MTProto
             $this->__construct($settings);
             $force = true;
         }
-        $this->setup_threads();
+        if (!$this->settings['updates']['handle_old_updates']) {
+            $this->channels_state = [];
+            $this->got_state = false;
+        }
         $this->datacenter->__construct($this->settings['connection'], $this->settings['connection_settings']);
         if ($this->get_self()) {
             $this->authorized = self::LOGGED_IN;
@@ -373,7 +360,7 @@ class MTProto
             $this->get_cdn_config($this->datacenter->curdc);
             $this->setup_logger();
         }
-        if ($this->authorized === self::LOGGED_IN && !$this->authorization['user']['bot']) {
+        if ($this->authorized === self::LOGGED_IN && !$this->authorization['user']['bot'] && $this->settings['peer']['cache_all_peers_on_startup']) {
             $this->get_dialogs($force);
         }
         if ($this->authorized === self::LOGGED_IN && $this->settings['updates']['handle_updates'] && !$this->updates_state['sync_loading']) {
@@ -387,52 +374,6 @@ class MTProto
         if (\danog\MadelineProto\Logger::$has_thread && is_object(\Thread::getCurrentThread())) {
             return;
         }
-        if (isset(Logger::$storage[spl_object_hash($this)])) {
-            $this->run_workers = false;
-            while ($number = Logger::$storage[spl_object_hash($this)]->collect()) {
-                \danog\MadelineProto\Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['shutdown_reader_pool'], $number)], \danog\MadelineProto\Logger::NOTICE);
-            }
-            Logger::$storage[spl_object_hash($this)]->shutdown();
-        }
-    }
-
-    public function setup_threads()
-    {
-        if ($this->threads = $this->run_workers = class_exists('\Pool') && in_array(php_sapi_name(), ['cli', 'phpdbg']) && $this->settings['threading']['allow_threading'] && extension_loaded('pthreads')) {
-            \danog\MadelineProto\Logger::log([\danog\MadelineProto\Lang::$current_lang['threading_on']], \danog\MadelineProto\Logger::NOTICE);
-            $this->start_threads();
-        }
-    }
-
-    public function start_threads()
-    {
-        if ($this->threads && !is_object(\Thread::getCurrentThread())) {
-            $dcs = $this->datacenter->get_dcs(false);
-            if (!isset(Logger::$storage[spl_object_hash($this)])) {
-                Logger::$storage[spl_object_hash($this)] = new \Pool(count($dcs));
-            }
-            if (!isset($this->readers)) {
-                $this->readers = [];
-            }
-            foreach ($dcs as $dc) {
-                if (!isset($this->readers[$dc])) {
-                    Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['socket_reader'], $number).\danog\MadelineProto\Lang::$current_lang['socket_status_1']], Logger::WARNING);
-                    $this->readers[$dc] = new \danog\MadelineProto\Threads\SocketReader($this, $dc);
-                }
-                if (!$this->readers[$dc]->isRunning()) {
-                    Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['socket_reader'], $number).\danog\MadelineProto\Lang::$current_lang['socket_status_2']], Logger::WARNING);
-                    $this->readers[$dc]->garbage = false;
-                    Logger::$storage[spl_object_hash($this)]->submit($this->readers[$dc]);
-                    Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['socket_reader'], $number).\danog\MadelineProto\Lang::$current_lang['socket_status_3']], Logger::WARNING);
-                    while (!$this->readers[$dc]->ready);
-                    Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['socket_reader'], $number).\danog\MadelineProto\Lang::$current_lang['socket_status_4']], Logger::WARNING);
-                } else {
-                    Logger::log([sprintf(\danog\MadelineProto\Lang::$current_lang['socket_reader'], $number).\danog\MadelineProto\Lang::$current_lang['socket_status_5']], Logger::ULTRA_VERBOSE);
-                }
-            }
-        }
-
-        return true;
     }
 
     public function parse_settings($settings)
@@ -580,13 +521,16 @@ class MTProto
                 'call_queue' => 200,
             ],
             'peer' => [
-                'full_info_cache_time' => 60,
+                'full_info_cache_time' => 3600, // Full peer info cache validity
+                'full_fetch' => false, // Should madeline fetch the full member list of every group it meets?
+                'cache_all_peers_on_startup' => false, // Should madeline fetch the full chat list on startup?
             ],
             'requests' => [
                 'gzip_encode_if_gt' => 500,  // Should I try using gzip encoding for requests bigger than N bytes? Set to -1 to disable.
             ],
             'updates' => [
                 'handle_updates' => true, // Should I handle updates?
+                'handle_old_updates' => true, // Should I handle old updates on startup?
                 'callback'       => 'get_updates_update_handler', // A callable function that will be called every time an update is received, must accept an array (for the update) as the only parameter
             ],
             'secret_chats' => [
@@ -664,7 +608,6 @@ class MTProto
         foreach ($old = $this->datacenter->get_dcs() as $new_dc) {
             $this->datacenter->dc_connect($new_dc);
         }
-        $this->setup_threads();
         $this->init_authorization();
         if ($old !== $this->datacenter->get_dcs()) {
             $this->connect_to_all_dcs();
diff --git a/src/danog/MadelineProto/MTProtoTools/CallHandler.php b/src/danog/MadelineProto/MTProtoTools/CallHandler.php
index 3d474294..1bce0f9c 100644
--- a/src/danog/MadelineProto/MTProtoTools/CallHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/CallHandler.php
@@ -80,7 +80,7 @@ trait CallHandler
         }
         $last_recv = $this->last_recv;
         for ($count = 1; $count <= $this->settings['max_tries']['query']; $count++) {
-            if ($canunset = !$this->updates_state['sync_loading'] && !$this->threads && !$this->run_workers) {
+            if ($canunset = !$this->updates_state['sync_loading']) {
                 $this->updates_state['sync_loading'] = true;
             }
 
@@ -111,8 +111,6 @@ trait CallHandler
                 while ($server_answer === null && $res_count++ < $this->settings['max_tries']['response'] + 1) { // Loop until we get a response, loop for a max of $this->settings['max_tries']['response'] times
                     try {
                         \danog\MadelineProto\Logger::log(['Getting response (try number '.$res_count.' for '.$method.')...'], \danog\MadelineProto\Logger::ULTRA_VERBOSE);
-                        //sleep(2);
-                        $this->start_threads();
                         if (!isset($this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']) || !isset($this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]['content'])) { // Checks if I have received the response to the called method, if not continue looping
                             if ($only_updates) {
                                 if ($update_count > 50) {
@@ -123,18 +121,10 @@ trait CallHandler
                                 }
                             }
                         } else {
-                            //var_dump(base64_encode($this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']), $this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]);
-                            /*
-                            var_dump($this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']);
-                            var_dump($this->datacenter->sockets[$aargs['datacenter']]->incoming_messages);
-                            var_dump($this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]);
-                            var_dump($this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]['content']);
-                            */
                             $server_answer = $this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]['content'];
                             $this->datacenter->sockets[$aargs['datacenter']]->incoming_messages[$this->datacenter->sockets[$aargs['datacenter']]->outgoing_messages[$message_id]['response']]['content'] = '';
                             break;
                         }
-                        if (!$this->threads && !$this->run_workers) {
                             if (($error = $this->recv_message($aargs['datacenter'])) !== true) {
                                 if ($error === -404) {
                                     if ($this->datacenter->sockets[$aargs['datacenter']]->temp_auth_key !== null) {
@@ -149,11 +139,6 @@ trait CallHandler
                                 throw new \danog\MadelineProto\RPCErrorException($error, $error);
                             }
                             $only_updates = $this->handle_messages($aargs['datacenter']); // This method receives data from the socket, and parses stuff
-                        } else {
-                            $res_count--;
-                            //var_dump($this->datacenter->sockets[$aargs['datacenter']]->incoming_messages);
-                            sleep(1);
-                        }
                     } catch (\danog\MadelineProto\Exception $e) {
                         if ($e->getMessage() === 'I had to recreate the temporary authorization key') {
                             continue 2;
diff --git a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
index 9a50a80c..9cac3695 100644
--- a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
@@ -29,11 +29,7 @@ trait PeerHandler
             switch ($user['_']) {
                 case 'user':
                     if (!isset($this->chats[$user['id']]) || $this->chats[$user['id']] !== $user) {
-                        /*foreach (str_split(pack('q', $user['access_hash'])) as $char) {
-                            var_dump(ord($char));
-                        }*/
                         $this->chats[$user['id']] = $user;
-
                         try {
                             $this->get_pwr_chat($user['id'], false, true);
                         } catch (\danog\MadelineProto\Exception $e) {
@@ -62,7 +58,7 @@ trait PeerHandler
                         $this->chats[-$chat['id']] = $chat;
 
                         try {
-                            $this->get_pwr_chat(-$chat['id'], true, true);
+                            $this->get_pwr_chat(-$chat['id'], $this->settings['peer']['full_fetch'], true);
                         } catch (\danog\MadelineProto\Exception $e) {
                             \danog\MadelineProto\Logger::log([$e->getMessage()], \danog\MadelineProto\Logger::WARNING);
                         } catch (\danog\MadelineProto\RPCErrorException $e) {
@@ -77,7 +73,7 @@ trait PeerHandler
                     $bot_api_id = $this->to_supergroup($chat['id']);
                     if (!isset($chat['access_hash'])) {
                         if (isset($chat['username']) && !isset($this->chats[$bot_api_id])) {
-                            $this->get_pwr_chat($chat['username'], true, true);
+                            $this->get_pwr_chat($chat['username'], $this->settings['peer']['full_fetch'], true);
                         }
                         continue;
                     }
@@ -86,7 +82,7 @@ trait PeerHandler
 
                         try {
                             if (!isset($this->full_chats[$bot_api_id]) || $this->full_chats[$bot_api_id]['full']['participants_count'] !== $this->get_full_info($bot_api_id)['full']['participants_count']) {
-                                $this->get_pwr_chat($this->to_supergroup($chat['id']), true, true);
+                                $this->get_pwr_chat($this->to_supergroup($chat['id']), $this->settings['peer']['full_fetch'], true);
                             }
                         } catch (\danog\MadelineProto\Exception $e) {
                             \danog\MadelineProto\Logger::log([$e->getMessage()], \danog\MadelineProto\Logger::WARNING);
@@ -410,7 +406,7 @@ trait PeerHandler
                 }
                 break;
         }
-        if (isset($res['participants'])) {
+        if (isset($res['participants']) && $fullfetch) {
             foreach ($res['participants'] as $key => $participant) {
                 $newres = [];
                 $newres['user'] = $this->get_pwr_chat($participant['user_id'], false, false);
@@ -454,7 +450,7 @@ trait PeerHandler
                 $res['participants'][$key] = $newres;
             }
         }
-        if (!isset($res['participants']) && isset($res['can_view_participants']) && $res['can_view_participants']) {
+        if (!isset($res['participants']) && isset($res['can_view_participants']) && $res['can_view_participants'] && $fullfetch) {
             $res['participants'] = [];
             $limit = 200;
             $filters = ['channelParticipantsRecent', 'channelParticipantsAdmins', 'channelParticipantsKicked', 'channelParticipantsBots', 'channelParticipantsBanned'];
@@ -526,6 +522,7 @@ trait PeerHandler
             }
             $res['participants'] = array_values($res['participants']);
         }
+        if (!$fullfetch) unset($res['participants']);
         if ($fullfetch || $send) {
             $this->store_db($res);
         }
diff --git a/src/danog/MadelineProto/MTProtoTools/UpdateHandler.php b/src/danog/MadelineProto/MTProtoTools/UpdateHandler.php
index 6b5d2ff8..704f3b8a 100644
--- a/src/danog/MadelineProto/MTProtoTools/UpdateHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/UpdateHandler.php
@@ -115,7 +115,6 @@ trait UpdateHandler
                 $updates[] = ['update_id' => $key, 'update' => $value];
             }
         }
-
         return $updates;
     }
 
diff --git a/src/danog/MadelineProto/RPCErrorException.php b/src/danog/MadelineProto/RPCErrorException.php
index 487a70cf..1c834c18 100644
--- a/src/danog/MadelineProto/RPCErrorException.php
+++ b/src/danog/MadelineProto/RPCErrorException.php
@@ -15,10 +15,19 @@ namespace danog\MadelineProto;
 class RPCErrorException extends \Exception
 {
     use TL\PrettyException;
-
+    private $fetched = false;
+    public function getMess() {
+        if ($this->fetched === false) {
+            $res = json_decode(@file_get_contents('https://rpc.pwrtelegram.xyz/?method='.$additional[0].'&code='.$code.'&error='.$this->rpc), true);
+            if (isset($res['ok']) && $res['ok']) {
+                $this->message = $res['result'];
+            }
+        }
+        return $this->message;
+    }
     public function __toString()
     {
-        return sprintf(\danog\MadelineProto\Lang::$current_lang['rpc_tg_error'], $this->message, $this->rpc, $this->file, $this->line.PHP_EOL.PHP_EOL).PHP_EOL.$this->getTLTrace().PHP_EOL;
+        return sprintf(\danog\MadelineProto\Lang::$current_lang['rpc_tg_error'], $this->getMess(), $this->rpc, $this->file, $this->line.PHP_EOL.PHP_EOL).PHP_EOL.$this->getTLTrace().PHP_EOL;
     }
 
     public function __construct($message = null, $code = 0, Exception $previous = null)
@@ -69,12 +78,6 @@ class RPCErrorException extends \Exception
             case -429:
             case 'PEER_FLOOD': $message = 'Too many requests'; break;
         }
-        if ($this->rpc === $message) {
-            $res = json_decode(@file_get_contents('https://rpc.pwrtelegram.xyz/?description_for='.$this->rpc), true);
-            if (isset($res['ok']) && $res['ok']) {
-                $message = $res['result'];
-            }
-        }
         parent::__construct($message, $code, $previous);
         $this->prettify_tl();
 
@@ -87,7 +90,9 @@ class RPCErrorException extends \Exception
                 break;
             }
         }
-        @file_get_contents('https://rpc.pwrtelegram.xyz/?method='.$additional[0].'&code='.$code.'&error='.$this->rpc);
+        if ($this->rpc !== $message) {
+            $this->fetched = true;
+        }
         /*
         if (in_array($this->rpc, ['CHANNEL_PRIVATE', -404, -429, 'USERNAME_NOT_OCCUPIED', 'ACCESS_TOKEN_INVALID', 'AUTH_KEY_UNREGISTERED', 'SESSION_PASSWORD_NEEDED', 'PHONE_NUMBER_UNOCCUPIED', 'PEER_ID_INVALID', 'CHAT_ID_INVALID', 'USERNAME_INVALID', 'CHAT_WRITE_FORBIDDEN', 'CHAT_ADMIN_REQUIRED', 'PEER_FLOOD'])) {
             return;
diff --git a/tests/testing.php b/tests/testing.php
index d95d8d9c..8079b549 100755
--- a/tests/testing.php
+++ b/tests/testing.php
@@ -51,6 +51,7 @@ if (getenv('TEST_SECRET_CHAT') == '') {
     die('TEST_SECRET_CHAT is not defined in .env, please define it.'.PHP_EOL);
 }
 echo 'Loading settings...'.PHP_EOL;
+var_dump(getenv('MTPROTO_SETTINGS'));
 $settings = json_decode(getenv('MTPROTO_SETTINGS'), true) ?: [];
 //$settings['connection_settings']['all']['proxy'] = '\SocksProxy';
 //$settings['connection_settings']['all']['proxy_extra'] = ['address' => '209.195.74.200', 'port' => 43545];