symfony
diff --git a/‎src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+14 b/‎src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+14
diff --git a/‎src/Symfony/Component/Process/CHANGELOG.md
-1 b/‎src/Symfony/Component/Process/CHANGELOG.md
-1
diff --git a/‎src/Symfony/Component/Yaml/Inline.php
+8 b/‎src/Symfony/Component/Yaml/Inline.php
+8
diff --git a/‎src/Symfony/Component/Yaml/Tests/InlineTest.php
+7 b/‎src/Symfony/Component/Yaml/Tests/InlineTest.php
+7
@@ -67,6 +67,7 @@ public function configure(?object $event = null): void
             return;
         }
         $this->firstCall = $this->hasTerminatedWithException = false;
+        $hasRun = null;
 
         if (!$this->exceptionHandler) {
             if ($event instanceof KernelEvent) {
@@ -103,6 +104,19 @@ public function configure(?object $event = null): void
 
             if ($handler instanceof ErrorHandler) {
                 $handler->setExceptionHandler($this->exceptionHandler);
+                if (null !== $hasRun) {
+                    $throwAt = $handler->throwAt(0) | \E_ERROR | \E_CORE_ERROR | \E_COMPILE_ERROR | \E_USER_ERROR | \E_RECOVERABLE_ERROR | \E_PARSE;
+                    $loggers = [];
+
+                    foreach ($handler->setLoggers([]) as $type => $log) {
+                        if ($type & $throwAt) {
+                            $loggers[$type] = [null, $log[1]];
+                        }
+                    }
+
+                    // Assume $kernel->terminateWithException() will log uncaught exceptions appropriately
+                    $handler->setLoggers($loggers);
+                }
             }
             $this->exceptionHandler = null;
         }
 
@@ -12,7 +12,6 @@ CHANGELOG
  * Add `PhpSubprocess` to handle PHP subprocesses that take over the
    configuration from their parent
  * Add `RunProcessMessage` and `RunProcessMessageHandler`
- * Support using `Process::findExecutable()` independently of `open_basedir`
 
 5.2.0
 -----
 
@@ -353,11 +353,18 @@ private static function parseSequence(string $sequence, int $flags, int &$i = 0,
         ++$i;
 
         // [foo, bar, ...]
+        $lastToken = null;
         while ($i < $len) {
             if (']' === $sequence[$i]) {
                 return $output;
             }
             if (',' === $sequence[$i] || ' ' === $sequence[$i]) {
+                if (',' === $sequence[$i] && (null === $lastToken || 'separator' === $lastToken)) {
+                    $output[] = null;
+                } elseif (',' === $sequence[$i]) {
+                    $lastToken = 'separator';
+                }
+
                 ++$i;
 
                 continue;
@@ -401,6 +408,7 @@ private static function parseSequence(string $sequence, int $flags, int &$i = 0,
 
             $output[] = $value;
 
+            $lastToken = 'value';
             ++$i;
         }
 
 
@@ -1140,4 +1140,11 @@ public function testParseQuotedReferenceLikeStringsInSequence()
 
         $this->assertSame(['&foo', '&bar', '&baz'], Inline::parse($yaml));
     }
+
+    public function testParseSequenceWithEmptyElement()
+    {
+        $this->assertSame(['foo', null, 'bar'], Inline::parse('[foo, , bar]'));
+        $this->assertSame([null, 'foo', 'bar'], Inline::parse('[, foo, bar]'));
+        $this->assertSame(['foo', 'bar'], Inline::parse('[foo, bar, ]'));
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -1140,4 +1140,11 @@ public function testParseQuotedReferenceLikeStringsInSequence()`
`1140`	`1140`
`1141`	`1141`	`$this->assertSame(['&foo', '&bar', '&baz'], Inline::parse($yaml));`
`1142`	`1142`	`}`
	`1143`	`+`
	`1144`	`+ public function testParseSequenceWithEmptyElement()`
	`1145`	`+ {`
	`1146`	`+ $this->assertSame(['foo', null, 'bar'], Inline::parse('[foo, , bar]'));`
	`1147`	`+ $this->assertSame([null, 'foo', 'bar'], Inline::parse('[, foo, bar]'));`
	`1148`	`+ $this->assertSame(['foo', 'bar'], Inline::parse('[foo, bar, ]'));`
	`1149`	`+ }`
`1143`	`1150`	`}`