symfony
diff --git a/‎src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
+1-1 b/‎src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
+1-1
diff --git a/‎src/Symfony/Component/HttpFoundation/Tests/BinaryFileResponseTest.php
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+10-1 b/‎src/Symfony/Component/HttpFoundation/Tests/BinaryFileResponseTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/BinaryFileResponseTest.php
+10-1
diff --git a/‎src/Symfony/Component/Serializer/Encoder/CsvEncoder.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Encoder/CsvEncoder.php
+4 b/‎src/Symfony/Component/Serializer/Encoder/CsvEncoder.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Encoder/CsvEncoder.php
+4
diff --git a/‎src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php
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+24 b/‎src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php
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+24
@@ -237,7 +237,7 @@ public function prepare(Request $request): static
                         $path = $location.substr($path, \strlen($pathPrefix));
                         // Only set X-Accel-Redirect header if a valid URI can be produced
                         // as nginx does not serve arbitrary file paths.
-                        $this->headers->set($type, $path);
+                        $this->headers->set($type, rawurlencode($path));
                         $this->maxlen = 0;
                         break;
                     }
 
@@ -314,7 +314,15 @@ public function testXAccelMapping($realpath, $mapping, $virtual)
         $property->setValue($response, $file);
 
         $response->prepare($request);
-        $this->assertEquals($virtual, $response->headers->get('X-Accel-Redirect'));
+        $header = $response->headers->get('X-Accel-Redirect');
+
+        if ($virtual) {
+            // Making sure the path doesn't contain characters unsupported by nginx
+            $this->assertMatchesRegularExpression('/^([^?%]|%[0-9A-F]{2})*$/', $header);
+            $header = rawurldecode($header);
+        }
+
+        $this->assertEquals($virtual, $header);
     }
 
     public function testDeleteFileAfterSend()
@@ -361,6 +369,7 @@ public static function getSampleXAccelMappings()
             ['/home/Foo/bar.txt', '/var/www/=/files/,/home/Foo/=/baz/', '/baz/bar.txt'],
             ['/home/Foo/bar.txt', '"/var/www/"="/files/", "/home/Foo/"="/baz/"', '/baz/bar.txt'],
             ['/tmp/bar.txt', '"/var/www/"="/files/", "/home/Foo/"="/baz/"', null],
+            ['/var/www/var/www/files/foo%.txt', '/var/www/=/files/', '/files/var/www/files/foo%.txt'],
         ];
     }
 
 
@@ -72,6 +72,10 @@ public function encode(mixed $data, string $format, array $context = []): string
         } elseif (!$data) {
             $data = [[]];
         } else {
+            if ($data instanceof \Traversable) {
+                // Generators can only be iterated once — convert to array to allow multiple traversals
+                $data = iterator_to_array($data);
+            }
             // Sequential arrays of arrays are considered as collections
             $i = 0;
             foreach ($data as $key => $value) {
 
@@ -708,6 +708,30 @@ public function testEndOfLinePassedInConstructor()
         $this->assertSame("foo,bar\r\nhello,test\r\n", $encoder->encode($value, 'csv'));
     }
 
+    /** @dataProvider provideIterable */
+    public function testIterable(mixed $data)
+    {
+        $this->assertEquals(<<<'CSV'
+            foo,bar
+            hello,"hey ho"
+            hi,"let's go"
+
+            CSV, $this->encoder->encode($data, 'csv'));
+    }
+
+    public static function provideIterable()
+    {
+        $data = [
+            ['foo' => 'hello', 'bar' => 'hey ho'],
+            ['foo' => 'hi', 'bar' => 'let\'s go'],
+        ];
+
+        yield 'array' => [$data];
+        yield 'array iterator' => [new \ArrayIterator($data)];
+        yield 'iterator aggregate' => [new \IteratorIterator(new \ArrayIterator($data))];
+        yield 'generator' => [(fn (): \Generator => yield from $data)()];
+    }
+
     /**
      * @group legacy
      */