diff --git a/composer.json b/composer.json
index f5875f7a9..7e568e8cc 100644
--- a/composer.json
+++ b/composer.json
@@ -123,7 +123,7 @@
         "test-php56": "tests/test-conversion.sh 5",
         "cs": "PHP_CS_FIXER_IGNORE_ENV=1 php -d pcre.jit=0 vendor/bin/php-cs-fixer fix -v --diff --dry-run",
         "cs-fix": "PHP_CS_FIXER_IGNORE_ENV=1 php -d pcre.jit=0 vendor/bin/php-cs-fixer fix -v --diff",
-        "psalm": "psalm.phar --no-cache",
+        "psalm": "psalm --no-cache",
         "docs": "php tools/build_docs.php",
         "docs-fix": "tools/fix_docs.sh",
         "test": "@php -dzend.assertions=1 -dassert.exception=1 ./vendor/bin/phpunit --coverage-text",
diff --git a/docs b/docs
index f855706e1..099e46477 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit f855706e1b65ce6b4c5a6babed5928a138d10f56
+Subproject commit 099e464774b3001f8bb54d9dd0ce61875ad5fceb
diff --git a/examples/plugins/Danogentili/OnlinePlugin.php b/examples/plugins/Danogentili/OnlinePlugin.php
index 909bfbec4..ee95068fd 100644
--- a/examples/plugins/Danogentili/OnlinePlugin.php
+++ b/examples/plugins/Danogentili/OnlinePlugin.php
@@ -13,6 +13,14 @@ final class OnlinePlugin extends PluginEventHandler
 {
     private bool $isOnline = true;
 
+    /**
+     * Returns a list of names for properties that will be automatically saved to the session database (MySQL/postgres/redis if configured, the session file otherwise).
+     */
+    public function __sleep(): array
+    {
+        return ['isOnline'];
+    }
+
     public function setOnline(bool $online): void
     {
         $this->isOnline = $online;
diff --git a/psalm.xml b/psalm.xml
index f0503b560..62b683c10 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -2,6 +2,8 @@
 <psalm
     errorLevel="2"
     resolveFromConfigFile="true"
+    findUnusedCode="false"
+    findUnusedBaselineEntry="false"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
diff --git a/src/API.php b/src/API.php
index e3a1bfb10..f17f6841c 100644
--- a/src/API.php
+++ b/src/API.php
@@ -211,6 +211,9 @@ final class API extends AbstractAPI
             : ($settings instanceof SettingsLogger ? $settings : new SettingsLogger));
 
         if ($this->connectToMadelineProto($settings)) {
+            if (!$settings instanceof SettingsEmpty) {
+                EventLoop::queue($this->updateSettings(...), $settings);
+            }
             return; // OK
         }
 
diff --git a/src/DataCenter.php b/src/DataCenter.php
index bcdc2f901..90a76697a 100644
--- a/src/DataCenter.php
+++ b/src/DataCenter.php
@@ -282,10 +282,6 @@ final class DataCenter
      */
     public function generateContexts(int $dc_number, ?ConnectContext $context = null): array
     {
-        if (!isset($this->dclist[$test][$ipv6][$dc_number])) {
-            return [];
-        }
-
         $ctxs = [];
         $combos = [];
         $test = $this->settings->getTestMode() ? 'test' : 'main';
@@ -326,6 +322,10 @@ final class DataCenter
         }
         $combos[] = $default;
 
+        if (!isset($this->dclist[$test][$ipv6][$dc_number])) {
+            return [];
+        }
+
         $only = $this->dclist[$test][$ipv6][$dc_number]['tcpo_only'];
         if ($only || isset($this->dclist[$test][$ipv6][$dc_number]['secret'])) {
             $extra = isset($this->dclist[$test][$ipv6][$dc_number]['secret']) ? ['secret' => $this->dclist[$test][$ipv6][$dc_number]['secret']] : [];
diff --git a/src/Wrappers/Start.php b/src/Wrappers/Start.php
index 8be67a6d4..c10633610 100644
--- a/src/Wrappers/Start.php
+++ b/src/Wrappers/Start.php
@@ -29,7 +29,6 @@ use danog\MadelineProto\Lang;
 use danog\MadelineProto\MTProto;
 use danog\MadelineProto\RPCErrorException;
 use danog\MadelineProto\Settings;
-use danog\MadelineProto\TL\Types\LoginQrCode;
 use danog\MadelineProto\Tools;
 
 use const PHP_SAPI;
@@ -58,7 +57,6 @@ trait Start
             if ($this->getAuthorization() === API::NOT_LOGGED_IN) {
                 $stdout = getStdout();
                 do {
-                    /** @var ?LoginQrCode */
                     $qr = $this->qrLogin();
                     if (!$qr) {
                         $this->serialize();
@@ -218,13 +216,11 @@ trait Start
             } elseif (isset($_GET['waitQrCodeOrLogin']) || isset($_GET['getQrCode'])) {
                 \header('Content-type: application/json');
                 try {
-                    /** @var ?LoginQrCode */
                     $qr = $this->qrLogin();
                     if (isset($_GET['waitQrCodeOrLogin'])) {
                         $qr = $qr?->waitForLoginOrQrCodeExpiration(Tools::getTimeoutCancellation(5.0));
                     }
                 } catch (CancelledException) {
-                    /** @var ?LoginQrCode */
                     $qr = $this->qrLogin();
                 }
                 if ($qr) {