diff --git a/composer.json b/composer.json
index 05e120ce..f2d5b4d8 100644
--- a/composer.json
+++ b/composer.json
@@ -38,9 +38,9 @@
         "laminas/laminas-stdlib": "^3.19.0"
     },
     "require-dev": {
-        "laminas/laminas-coding-standard": "~3.0",
+        "laminas/laminas-coding-standard": "^3.0.1",
         "pear/archive_tar": "^1.5.0",
-        "phpunit/phpunit": "^10.5.36",
+        "phpunit/phpunit": "^10.5.38",
         "psalm/plugin-phpunit": "^0.19.0",
         "psr/http-factory": "^1.1.0",
         "vimeo/psalm": "^5.26.1"
diff --git a/composer.lock b/composer.lock
index 49d3af3b..8f09121d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a11f92d6c05080b1c3efb2cf1d5c5f47",
+    "content-hash": "43703f8533bfcdad21cac935edc7c54f",
     "packages": [
         {
             "name": "brick/varexporter",
@@ -57,16 +57,16 @@
         },
         {
             "name": "laminas/laminas-servicemanager",
-            "version": "4.2.0",
+            "version": "4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-servicemanager.git",
-                "reference": "a8489e352de3ce3f1eaf34a354b1e5f2ad2db85c"
+                "reference": "e18a45410d6f4ecb6253ade3ba42131ef2d4a883"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-servicemanager/zipball/a8489e352de3ce3f1eaf34a354b1e5f2ad2db85c",
-                "reference": "a8489e352de3ce3f1eaf34a354b1e5f2ad2db85c",
+                "url": "https://api.github.com/repos/laminas/laminas-servicemanager/zipball/e18a45410d6f4ecb6253ade3ba42131ef2d4a883",
+                "reference": "e18a45410d6f4ecb6253ade3ba42131ef2d4a883",
                 "shasum": ""
             },
             "require": {
@@ -132,7 +132,7 @@
                 "chat": "https://laminas.dev/chat",
                 "forum": "https://discourse.laminas.dev",
                 "issues": "https://github.com/laminas/laminas-servicemanager/issues",
-                "source": "https://github.com/laminas/laminas-servicemanager/tree/4.2.0"
+                "source": "https://github.com/laminas/laminas-servicemanager/tree/4.2.1"
             },
             "funding": [
                 {
@@ -140,34 +140,34 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2024-07-04T09:40:44+00:00"
+            "time": "2024-10-22T13:30:53+00:00"
         },
         {
             "name": "laminas/laminas-stdlib",
-            "version": "3.19.0",
+            "version": "3.20.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-stdlib.git",
-                "reference": "6a192dd0882b514e45506f533b833b623b78fff3"
+                "reference": "8974a1213be42c3e2f70b2c27b17f910291ab2f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-stdlib/zipball/6a192dd0882b514e45506f533b833b623b78fff3",
-                "reference": "6a192dd0882b514e45506f533b833b623b78fff3",
+                "url": "https://api.github.com/repos/laminas/laminas-stdlib/zipball/8974a1213be42c3e2f70b2c27b17f910291ab2f4",
+                "reference": "8974a1213be42c3e2f70b2c27b17f910291ab2f4",
                 "shasum": ""
             },
             "require": {
-                "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
+                "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
             },
             "conflict": {
                 "zendframework/zend-stdlib": "*"
             },
             "require-dev": {
-                "laminas/laminas-coding-standard": "^2.5",
-                "phpbench/phpbench": "^1.2.15",
-                "phpunit/phpunit": "^10.5.8",
-                "psalm/plugin-phpunit": "^0.18.4",
-                "vimeo/psalm": "^5.20.0"
+                "laminas/laminas-coding-standard": "^3.0",
+                "phpbench/phpbench": "^1.3.1",
+                "phpunit/phpunit": "^10.5.38",
+                "psalm/plugin-phpunit": "^0.19.0",
+                "vimeo/psalm": "^5.26.1"
             },
             "type": "library",
             "autoload": {
@@ -199,7 +199,7 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2024-01-19T12:39:49+00:00"
+            "time": "2024-10-29T13:46:07+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -2151,16 +2151,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.36",
+            "version": "10.5.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "aa0a8ce701ea7ee314b0dfaa8970dc94f3f8c870"
+                "reference": "a86773b9e887a67bc53efa9da9ad6e3f2498c132"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/aa0a8ce701ea7ee314b0dfaa8970dc94f3f8c870",
-                "reference": "aa0a8ce701ea7ee314b0dfaa8970dc94f3f8c870",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a86773b9e887a67bc53efa9da9ad6e3f2498c132",
+                "reference": "a86773b9e887a67bc53efa9da9ad6e3f2498c132",
                 "shasum": ""
             },
             "require": {
@@ -2181,7 +2181,7 @@
                 "phpunit/php-timer": "^6.0.0",
                 "sebastian/cli-parser": "^2.0.1",
                 "sebastian/code-unit": "^2.0.0",
-                "sebastian/comparator": "^5.0.2",
+                "sebastian/comparator": "^5.0.3",
                 "sebastian/diff": "^5.1.1",
                 "sebastian/environment": "^6.1.0",
                 "sebastian/exporter": "^5.1.2",
@@ -2232,7 +2232,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.36"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.38"
             },
             "funding": [
                 {
@@ -2248,7 +2248,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-10-08T15:36:51+00:00"
+            "time": "2024-10-28T13:06:21+00:00"
         },
         {
             "name": "psalm/plugin-phpunit",
@@ -2638,16 +2638,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "5.0.2",
+            "version": "5.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "2d3e04c3b4c1e84a5e7382221ad8883c8fbc4f53"
+                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/2d3e04c3b4c1e84a5e7382221ad8883c8fbc4f53",
-                "reference": "2d3e04c3b4c1e84a5e7382221ad8883c8fbc4f53",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
+                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
                 "shasum": ""
             },
             "require": {
@@ -2658,7 +2658,7 @@
                 "sebastian/exporter": "^5.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^10.4"
+                "phpunit/phpunit": "^10.5"
             },
             "type": "library",
             "extra": {
@@ -2703,7 +2703,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/comparator/issues",
                 "security": "https://github.com/sebastianbergmann/comparator/security/policy",
-                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.2"
+                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.3"
             },
             "funding": [
                 {
@@ -2711,7 +2711,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-08-12T06:03:08+00:00"
+            "time": "2024-10-18T14:56:07+00:00"
         },
         {
             "name": "sebastian/complexity",
@@ -3599,16 +3599,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v6.4.12",
+            "version": "v6.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "72d080eb9edf80e36c19be61f72c98ed8273b765"
+                "reference": "f793dd5a7d9ae9923e35d0503d08ba734cec1d79"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/72d080eb9edf80e36c19be61f72c98ed8273b765",
-                "reference": "72d080eb9edf80e36c19be61f72c98ed8273b765",
+                "url": "https://api.github.com/repos/symfony/console/zipball/f793dd5a7d9ae9923e35d0503d08ba734cec1d79",
+                "reference": "f793dd5a7d9ae9923e35d0503d08ba734cec1d79",
                 "shasum": ""
             },
             "require": {
@@ -3673,7 +3673,7 @@
                 "terminal"
             ],
             "support": {
-                "source": "https://github.com/symfony/console/tree/v6.4.12"
+                "source": "https://github.com/symfony/console/tree/v6.4.13"
             },
             "funding": [
                 {
@@ -3689,7 +3689,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-20T08:15:52+00:00"
+            "time": "2024-10-09T08:40:40+00:00"
         },
         {
             "name": "symfony/deprecation-contracts",
@@ -3760,16 +3760,16 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v6.4.12",
+            "version": "v6.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "f810e3cbdf7fdc35983968523d09f349fa9ada12"
+                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/f810e3cbdf7fdc35983968523d09f349fa9ada12",
-                "reference": "f810e3cbdf7fdc35983968523d09f349fa9ada12",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/4856c9cf585d5a0313d8d35afd681a526f038dd3",
+                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3",
                 "shasum": ""
             },
             "require": {
@@ -3806,7 +3806,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v6.4.12"
+                "source": "https://github.com/symfony/filesystem/tree/v6.4.13"
             },
             "funding": [
                 {
@@ -3822,7 +3822,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-16T16:01:33+00:00"
+            "time": "2024-10-25T15:07:50+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -4227,16 +4227,16 @@
         },
         {
             "name": "symfony/string",
-            "version": "v6.4.12",
+            "version": "v6.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/string.git",
-                "reference": "f8a1ccebd0997e16112dfecfd74220b78e5b284b"
+                "reference": "38371c60c71c72b3d64d8d76f6b1bb81a2cc3627"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/string/zipball/f8a1ccebd0997e16112dfecfd74220b78e5b284b",
-                "reference": "f8a1ccebd0997e16112dfecfd74220b78e5b284b",
+                "url": "https://api.github.com/repos/symfony/string/zipball/38371c60c71c72b3d64d8d76f6b1bb81a2cc3627",
+                "reference": "38371c60c71c72b3d64d8d76f6b1bb81a2cc3627",
                 "shasum": ""
             },
             "require": {
@@ -4293,7 +4293,7 @@
                 "utf8"
             ],
             "support": {
-                "source": "https://github.com/symfony/string/tree/v6.4.12"
+                "source": "https://github.com/symfony/string/tree/v6.4.13"
             },
             "funding": [
                 {
@@ -4309,7 +4309,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-20T08:15:52+00:00"
+            "time": "2024-09-25T14:18:03+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/docs/book/v2/standard-filters.md b/docs/book/v2/standard-filters.md
index 09cbce30..7fc5e2b1 100644
--- a/docs/book/v2/standard-filters.md
+++ b/docs/book/v2/standard-filters.md
@@ -1440,6 +1440,27 @@ instead.
 Users pulling their `Null` filter instance from the filter plugin manager receive a `ToNull`
 instance instead starting in 2.4.0.
 
+## ToString
+
+The `ToString` filter casts `Stringable` objects or scalar values to `string`.
+This filter has no runtime options.
+
+### Basic Usage
+
+```php
+$filter = new \Laminas\Filter\ToString();
+
+$filter->filter(123); // "123"
+```
+
+Non-scalar input will be returned un-filtered:
+
+```php
+$filter = new \Laminas\Filter\ToString();
+
+$filter->filter(['muppet' => 'Kermit']); // ['muppet' => 'Kermit']
+```
+
 ## NumberFormat
 
 The `NumberFormat` filter can be used to return locale-specific number and percentage strings. It
diff --git a/docs/book/v3/standard-filters.md b/docs/book/v3/standard-filters.md
index 2a41d743..df554c3b 100644
--- a/docs/book/v3/standard-filters.md
+++ b/docs/book/v3/standard-filters.md
@@ -969,6 +969,27 @@ $filter = new Laminas\Filter\ToNull([
 
 It is best practice is to use the `TYPE_*` constants rather than the human-readable strings. Modern IDEs will autocomplete these for you and usage and refactoring is easier.
 
+## ToString
+
+The `ToString` filter casts `Stringable` objects or scalar values to `string`.
+This filter has no runtime options.
+
+### Basic Usage
+
+```php
+$filter = new \Laminas\Filter\ToString();
+
+$filter->filter(123); // "123"
+```
+
+Non-scalar input will be returned un-filtered:
+
+```php
+$filter = new \Laminas\Filter\ToString();
+
+$filter->filter(['muppet' => 'Kermit']); // ['muppet' => 'Kermit']
+```
+
 ## NumberFormat
 
 The `NumberFormat` filter can be used to return locale-specific number and percentage strings. It
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 9e89f811..c27a83a3 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -581,6 +581,10 @@
     <DeprecatedClass>
       <code><![CDATA[AbstractFilter]]></code>
     </DeprecatedClass>
+    <DeprecatedMethod>
+      <code><![CDATA[setSeparator]]></code>
+      <code><![CDATA[setSeparator]]></code>
+    </DeprecatedMethod>
     <PossiblyInvalidArgument>
       <code><![CDATA[$separator]]></code>
     </PossiblyInvalidArgument>
@@ -954,6 +958,12 @@
       <code><![CDATA[typeTestProvider]]></code>
     </PossiblyUnusedMethod>
   </file>
+  <file src="test/ToStringTest.php">
+    <PossiblyUnusedMethod>
+      <code><![CDATA[returnBasicDataProvider]]></code>
+      <code><![CDATA[returnUnfilteredDataProvider]]></code>
+    </PossiblyUnusedMethod>
+  </file>
   <file src="test/UpperCaseWordsTest.php">
     <PossiblyUnusedMethod>
       <code><![CDATA[returnUnfilteredDataProvider]]></code>
diff --git a/src/FilterPluginManager.php b/src/FilterPluginManager.php
index a2310ee8..bbdc10e3 100644
--- a/src/FilterPluginManager.php
+++ b/src/FilterPluginManager.php
@@ -62,6 +62,7 @@ final class FilterPluginManager extends AbstractPluginManager
             StripTags::class                   => InvokableFactory::class,
             ToInt::class                       => InvokableFactory::class,
             ToNull::class                      => InvokableFactory::class,
+            ToString::class                    => InvokableFactory::class,
             Word\CamelCaseToDash::class        => InvokableFactory::class,
             Word\CamelCaseToSeparator::class   => InvokableFactory::class,
             Word\CamelCaseToUnderscore::class  => InvokableFactory::class,
diff --git a/src/ToString.php b/src/ToString.php
new file mode 100644
index 00000000..ffebd9de
--- /dev/null
+++ b/src/ToString.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Laminas\Filter;
+
+use Stringable;
+
+use function is_scalar;
+
+/** @implements FilterInterface<string> */
+final class ToString implements FilterInterface
+{
+    /**
+     * Returns (string) $value
+     *
+     * If the value provided is non-scalar, the value will remain unfiltered
+     */
+    public function filter(mixed $value): mixed
+    {
+        if (
+            ! is_scalar($value)
+            && ! $value instanceof Stringable
+        ) {
+            return $value;
+        }
+
+        return (string) $value;
+    }
+
+    public function __invoke(mixed $value): mixed
+    {
+        return $this->filter($value);
+    }
+}
diff --git a/src/Word/AbstractSeparator.php b/src/Word/AbstractSeparator.php
index 969e4f7f..2f925e4a 100644
--- a/src/Word/AbstractSeparator.php
+++ b/src/Word/AbstractSeparator.php
@@ -34,13 +34,20 @@ public function __construct(string|array $separator = ' ')
         $this->setSeparator($separator);
     }
 
-    /** @return $this */
+    /**
+     * @deprecated Since 2.39.0 All option setters and getters will be removed in version 3.0
+     *
+     * @return $this
+     */
     public function setSeparator(string $separator): self
     {
         $this->separator = $separator;
         return $this;
     }
 
+    /**
+     * @deprecated Since 2.39.0 All option setters and getters will be removed in version 3.0
+     */
     public function getSeparator(): string
     {
         return $this->separator;
diff --git a/test/TestAsset/StringClass.php b/test/TestAsset/StringClass.php
new file mode 100644
index 00000000..86a03ea0
--- /dev/null
+++ b/test/TestAsset/StringClass.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaminasTest\Filter\TestAsset;
+
+use Stringable;
+
+class StringClass implements Stringable
+{
+    public function __construct(
+        private readonly string $string,
+    ) {
+    }
+
+    public function __toString(): string
+    {
+        return $this->string;
+    }
+}
diff --git a/test/ToStringTest.php b/test/ToStringTest.php
new file mode 100644
index 00000000..e5b0cffc
--- /dev/null
+++ b/test/ToStringTest.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaminasTest\Filter;
+
+use Laminas\Filter\ToString;
+use LaminasTest\Filter\TestAsset\StringClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+use stdClass;
+
+class ToStringTest extends TestCase
+{
+    /** @return list<array{0: mixed, 1: string}> */
+    public static function returnBasicDataProvider(): array
+    {
+        return [
+            [0, '0'],
+            ['string', 'string'],
+            [false, ''],
+            [-1.1, '-1.1'],
+            [new StringClass('test'), 'test'],
+        ];
+    }
+
+    #[DataProvider('returnBasicDataProvider')]
+    public function testBasic(mixed $input, string $output): void
+    {
+        $filter = new ToString();
+
+        self::assertSame($output, $filter->filter($input));
+    }
+
+    #[DataProvider('returnBasicDataProvider')]
+    public function testInvoke(mixed $input, string $output): void
+    {
+        $filter = new ToString();
+
+        self::assertSame($output, $filter->__invoke($input));
+    }
+
+    /** @return list<array{0: mixed}> */
+    public static function returnUnfilteredDataProvider(): array
+    {
+        return [
+            [null],
+            [new stdClass()],
+            [
+                [
+                    'foo',
+                    false,
+                ],
+            ],
+        ];
+    }
+
+    #[DataProvider('returnUnfilteredDataProvider')]
+    public function testReturnUnfiltered(mixed $input): void
+    {
+        $filter = new ToString();
+
+        self::assertSame($input, $filter($input));
+    }
+}