diff --git a/Neos.Flow/Classes/Cli/RequestBuilder.php b/Neos.Flow/Classes/Cli/RequestBuilder.php
index f017f23677..df1ee24411 100644
--- a/Neos.Flow/Classes/Cli/RequestBuilder.php
+++ b/Neos.Flow/Classes/Cli/RequestBuilder.php
@@ -140,14 +140,23 @@ public function build($commandLine): Request
                 }
             }
         }
-        if (count($rawCommandLineArguments) === 0) {
+        $firstArgument = count($rawCommandLineArguments) ? trim(array_shift($rawCommandLineArguments)) : null;
+        if (
+            $firstArgument === null
+            || $firstArgument === '--help'
+        ) {
             $request->setControllerCommandName('helpStub');
 
             return $request;
         }
-        $commandIdentifier = trim(array_shift($rawCommandLineArguments));
+        if (in_array('--help', $rawCommandLineArguments, true)) {
+            $request->setControllerCommandName('help');
+            $request->setArguments(['commandIdentifier' => $firstArgument]);
+            return $request;
+        }
+
         try {
-            $command = $this->commandManager->getCommandByIdentifier($commandIdentifier);
+            $command = $this->commandManager->getCommandByIdentifier($firstArgument);
         } catch (CommandException $exception) {
             $request->setArgument('exception', $exception);
             $request->setControllerCommandName('error');
@@ -188,6 +197,9 @@ protected function parseRawCommandLineArguments(array $rawCommandLineArguments,
         $requiredArguments = [];
         $optionalArguments = [];
         foreach ($commandMethodParameters as $parameterName => $parameterInfo) {
+            if ($parameterName === 'help') {
+                throw new \RuntimeException(sprintf('The option --help is reserved in %s::%s', $controllerObjectName, $commandMethodName), 1730715152);
+            }
             if ($parameterInfo['optional'] === false) {
                 $requiredArguments[strtolower($parameterName)] = [
                     'parameterName' => $parameterName,
diff --git a/Neos.Flow/Classes/Command/HelpCommandController.php b/Neos.Flow/Classes/Command/HelpCommandController.php
index 924c6670a8..e3eeadbdd3 100644
--- a/Neos.Flow/Classes/Command/HelpCommandController.php
+++ b/Neos.Flow/Classes/Command/HelpCommandController.php
@@ -124,7 +124,7 @@ protected function displayHelpIndex()
 
         $this->outputLine('* = compile time command');
         $this->outputLine();
-        $this->outputLine('See "%s help <commandidentifier>" for more information about a specific command.', [$this->getFlowInvocationString()]);
+        $this->outputLine('Use "%s [command] --help" for more information about a command.', [$this->getFlowInvocationString()]);
         $this->outputLine();
     }
 
@@ -212,6 +212,7 @@ protected function displayHelpForCommand(Command $command)
         if (count($optionDescriptions) > 0) {
             $this->outputLine();
             $this->outputLine('<b>OPTIONS:</b>');
+            $optionDescriptions[] = vsprintf('  %-20s %s', ['--help', 'Shows detailed information about this command']);
             foreach ($optionDescriptions as $optionDescription) {
                 $this->outputLine($optionDescription);
             }
@@ -260,7 +261,7 @@ public function errorCommand(CommandException $exception)
         }
         $this->outputLine();
         $this->outputLine('Enter "%s help" for an overview of all available commands', [$this->getFlowInvocationString()]);
-        $this->outputLine('or "%s help <commandIdentifier>" for a detailed description of the corresponding command.', [$this->getFlowInvocationString()]);
+        $this->outputLine('or "%s <commandIdentifier> --help" for a detailed description of the corresponding command.', [$this->getFlowInvocationString()]);
         $this->quit(1);
     }
 
diff --git a/Neos.Flow/Classes/Error/Debugger.php b/Neos.Flow/Classes/Error/Debugger.php
index de5eb8b560..f74a139eee 100644
--- a/Neos.Flow/Classes/Error/Debugger.php
+++ b/Neos.Flow/Classes/Error/Debugger.php
@@ -335,36 +335,7 @@ public static function getBacktraceCode(array $trace, bool $includeCode = true,
             $backtraceCode .= '<li class="Flow-Debug-Backtrace-Step">';
             $class = isset($step['class']) ? $step['class'] . '<span class="color-muted">::</span>' : '';
 
-            $arguments = '';
-            if (isset($step['args']) && is_array($step['args'])) {
-                foreach ($step['args'] as $argument) {
-                    $arguments .= (strlen($arguments) === 0) ? '' : '<span class="color-muted">,</span> ';
-                    $arguments .= '<span class="color-text-inverted">';
-                    if (is_object($argument)) {
-                        $arguments .= '<em>' . self::getObjectSnippetPlaintext($argument) . '</em>';
-                    } elseif (is_string($argument)) {
-                        $preparedArgument = (strlen($argument) < 100) ? $argument : substr($argument, 0, 50) . '…' . substr($argument, -50);
-                        $preparedArgument = htmlspecialchars($preparedArgument);
-                        $preparedArgument = str_replace('…', '<span class="color-muted">…</span>', $preparedArgument);
-                        $preparedArgument = str_replace("\n", '<span class="color-muted">⏎</span>', $preparedArgument);
-                        $arguments .= '"<span title="' . htmlspecialchars($argument) . '">' . $preparedArgument . '</span>"';
-                    } elseif (is_numeric($argument)) {
-                        $arguments .= (string)$argument;
-                    } elseif (is_bool($argument)) {
-                        $arguments .= ($argument === true ? 'true' : 'false');
-                    } elseif (is_array($argument)) {
-                        $arguments .= sprintf(
-                            '<em title="%s">array|%d|</em>',
-                            htmlspecialchars(self::renderArrayDump($argument, 0, true)),
-                            count($argument)
-                        );
-                    } else {
-                        $arguments .= '<em>' . gettype($argument) . '</em>';
-                    }
-                    $arguments .= '</span>';
-                }
-            }
-
+            $arguments = (isset($step['args']) && is_array($step['args'])) ? self::renderCallArgumentsHtml($step['args']) : '';
             $backtraceCode .= '<pre class="Flow-Debug-Backtrace-Step-Function">';
             $backtraceCode .= $class . $step['function'] . '<span class="color-muted">(' . $arguments . ')</span>';
             $backtraceCode .= '</pre>';
@@ -378,6 +349,49 @@ public static function getBacktraceCode(array $trace, bool $includeCode = true,
         return $backtraceCode;
     }
 
+    /**
+     * @param array<int, mixed> $callArguments
+     */
+    protected static function renderCallArgumentsHtml(array $callArguments): string
+    {
+        $arguments = '';
+        foreach ($callArguments as $argument) {
+            $arguments .= ($arguments === '') ? '' : '<span class="color-muted">,</span> ';
+            $arguments .= '<span class="color-text-inverted">';
+            try {
+                if (is_object($argument)) {
+                    $arguments .= '<em>' . self::getObjectSnippetPlaintext($argument) . '</em>';
+                } elseif (is_string($argument)) {
+                    $preparedArgument = (strlen($argument) < 100) ? $argument : substr($argument, 0, 50) . '…' . substr($argument, -50);
+                    $preparedArgument = htmlspecialchars($preparedArgument);
+                    $preparedArgument = str_replace(['…', "\n"], [
+                        '<span class="color-muted">…</span>',
+                        '<span class="color-muted">⏎</span>'
+                    ], $preparedArgument);
+                    $arguments .= '"<span title="' . htmlspecialchars($argument) . '">' . $preparedArgument . '</span>"';
+                } elseif (is_numeric($argument)) {
+                    $arguments .= (string)$argument;
+                } elseif (is_bool($argument)) {
+                    $arguments .= ($argument === true ? 'true' : 'false');
+                } elseif (is_array($argument)) {
+                    $arguments .= sprintf(
+                        '<em title="%s">array|%d|</em>',
+                        htmlspecialchars(self::renderArrayDump($argument, 0, true)),
+                        count($argument)
+                    );
+                } else {
+                    $arguments .= '<em>' . get_debug_type($argument) . '</em>';
+                }
+            } catch (\Throwable $_) {
+                $arguments .= '<em>' . get_debug_type($argument) . '</em>';
+            }
+
+            $arguments .= '</span>';
+        }
+
+        return $arguments;
+    }
+
     /**
      * @param array $trace
      * @param bool $includeCode
@@ -389,27 +403,7 @@ protected static function getBacktraceCodePlaintext(array $trace, bool $includeC
         foreach ($trace as $index => $step) {
             $class = isset($step['class']) ? $step['class'] . '::' : '';
 
-            $arguments = '';
-            if (isset($step['args']) && is_array($step['args'])) {
-                foreach ($step['args'] as $argument) {
-                    $arguments .= (strlen($arguments) === 0) ? '' : ', ';
-                    if (is_object($argument)) {
-                        $arguments .= self::getObjectSnippetPlaintext($argument);
-                    } elseif (is_string($argument)) {
-                        $preparedArgument = (strlen($argument) < 100) ? $argument : substr($argument, 0, 50) . '…' . substr($argument, -50);
-                        $arguments .= '"' . $preparedArgument . '"';
-                    } elseif (is_numeric($argument)) {
-                        $arguments .= (string)$argument;
-                    } elseif (is_bool($argument)) {
-                        $arguments .= ($argument === true ? 'true' : 'false');
-                    } elseif (is_array($argument)) {
-                        $arguments .= 'array|' . count($argument) . '|';
-                    } else {
-                        $arguments .= gettype($argument);
-                    }
-                }
-            }
-
+            $arguments = (isset($step['args']) && is_array($step['args'])) ? self::renderCallArgumentsPlaintext($step['args']) : '';
             $backtraceCode .= (count($trace) - $index) . ' ' . $class . $step['function'] . '(' . $arguments . ')';
 
             if (isset($step['file']) && $includeCode) {
@@ -421,6 +415,37 @@ protected static function getBacktraceCodePlaintext(array $trace, bool $includeC
         return $backtraceCode;
     }
 
+    /**
+     * @param array<int, mixed> $callArguments
+     */
+    protected static function renderCallArgumentsPlaintext(array $callArguments): string
+    {
+        $arguments = '';
+        foreach ($callArguments as $argument) {
+            $arguments .= (strlen($arguments) === 0) ? '' : ', ';
+            try {
+                if (is_object($argument)) {
+                    $arguments .= self::getObjectSnippetPlaintext($argument);
+                } elseif (is_string($argument)) {
+                    $preparedArgument = (strlen($argument) < 100) ? $argument : substr($argument, 0, 50) . '…' . substr($argument, -50);
+                    $arguments .= '"' . $preparedArgument . '"';
+                } elseif (is_numeric($argument)) {
+                    $arguments .= (string)$argument;
+                } elseif (is_bool($argument)) {
+                    $arguments .= ($argument === true ? 'true' : 'false');
+                } elseif (is_array($argument)) {
+                    $arguments .= 'array|' . count($argument) . '|';
+                } else {
+                    $arguments .= get_debug_type($argument);
+                }
+            } catch (\Throwable $_) {
+                $arguments .= get_debug_type($argument);
+            }
+        }
+
+        return $arguments;
+    }
+
     /**
      * Returns a code snippet from the specified file.
      *
@@ -470,20 +495,16 @@ public static function getCodeSnippet(string $filePathAndName, int $lineNumber,
     protected static function getObjectSnippetPlaintext(object $object): string
     {
         if (method_exists($object, '__toString')) {
-            try {
-                $string = (string)$object;
-                return self::getObjectShortName($object) . '|' . self::truncateObjectOutput($string) . '|';
-            } catch (\Throwable $_) {/* This can happen if what was callable was not actually __toString (a magic __call() will do that) we can try other ways to get information. */
-            }
+            return self::getObjectShortName($object) . '|' . self::truncateObjectOutput((string)$object) . '|';
         }
 
         if ($object instanceof \JsonSerializable) {
-            return self::getObjectShortName($object) . '|' . self::truncateObjectOutput(json_encode($object, JSON_PARTIAL_OUTPUT_ON_ERROR, 1)) . '|';
+            return self::getObjectShortName($object) . '|' . self::truncateObjectOutput(json_encode($object, JSON_THROW_ON_ERROR, 1)) . '|';
         }
 
         $publicProperties = get_object_vars($object);
         if (!empty($publicProperties)) {
-            return self::getObjectShortName($object) . '|' . self::truncateObjectOutput(json_encode($publicProperties, JSON_PARTIAL_OUTPUT_ON_ERROR, 1)) . '|';
+            return self::getObjectShortName($object) . '|' . self::truncateObjectOutput(json_encode($publicProperties, JSON_THROW_ON_ERROR, 1)) . '|';
         }
 
         return get_class($object);
diff --git a/Neos.Flow/Classes/Security/Aspect/LoggingAspect.php b/Neos.Flow/Classes/Security/Aspect/LoggingAspect.php
index 25c525ae81..e85afc9ac1 100644
--- a/Neos.Flow/Classes/Security/Aspect/LoggingAspect.php
+++ b/Neos.Flow/Classes/Security/Aspect/LoggingAspect.php
@@ -127,14 +127,14 @@ public function logPersistedUsernamePasswordProviderAuthenticate(JoinPointInterf
 
         switch ($token->getAuthenticationStatus()) {
             case TokenInterface::AUTHENTICATION_SUCCESSFUL:
-                $this->securityLogger->notice(sprintf('Successfully authenticated token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
+                $this->securityLogger->info(sprintf('Successfully authenticated token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
                 $this->alreadyLoggedAuthenticateCall = true;
                 break;
             case TokenInterface::WRONG_CREDENTIALS:
-                $this->securityLogger->warning(sprintf('Wrong credentials given for token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
+                $this->securityLogger->notice(sprintf('Wrong credentials given for token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
                 break;
             case TokenInterface::NO_CREDENTIALS_GIVEN:
-                $this->securityLogger->warning(sprintf('No credentials given or no account found for token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
+                $this->securityLogger->notice(sprintf('No credentials given or no account found for token: %s', $token), $this->getLogEnvironmentFromJoinPoint($joinPoint));
                 break;
         }
     }