diff --git a/.github/actions/codecov-report/action.yml b/.github/actions/codecov-report/action.yml
index d1479bab4..3e6be4fed 100644
--- a/.github/actions/codecov-report/action.yml
+++ b/.github/actions/codecov-report/action.yml
@@ -49,7 +49,7 @@ runs:
         directory: ./var/phpunit/coverage/clover
 
     - name: Upload code coverage (pull request)
-      if: ${{ github.event_name == 'pull_request' && !cancelled() && inputs.php-version == '8.2' && inputs.dependencies == 'locked' }}
+      if: ${{ github.event_name == 'pull_request' && !cancelled() && inputs.dependencies == 'locked' }}
       uses: codecov/codecov-action@v5
       with:
         token: ${{ inputs.token }}
@@ -57,7 +57,7 @@ runs:
         commit_parent: ${{ env.codecov_base_commit_sha }}
 
     - name: Upload test results (pull request)
-      if: ${{ github.event_name == 'pull_request' && !cancelled() && inputs.php-version == '8.2' && inputs.dependencies == 'locked' }}
+      if: ${{ github.event_name == 'pull_request' && !cancelled() && inputs.dependencies == 'locked' }}
       uses: codecov/test-results-action@v1
       with:
         token: ${{ inputs.token }}
diff --git a/phpstan.neon b/phpstan.neon
index bd4e2af28..9ef7cf73f 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -87,7 +87,7 @@ parameters:
 
     ignoreErrors:
         -
-            message: '#Dom\\(HTMLDocument|HTMLElement|Element)#i'
+            message: '#Dom\\(CharacterData|HTMLDocument|HTMLElement|Element)#i'
             identifier: class.notFound
 
 includes:
diff --git a/src/core/etl/src/Flow/ETL/Function/DOMElementNextSibling.php b/src/core/etl/src/Flow/ETL/Function/DOMElementNextSibling.php
new file mode 100644
index 000000000..da88c7d0d
--- /dev/null
+++ b/src/core/etl/src/Flow/ETL/Function/DOMElementNextSibling.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flow\ETL\Function;
+
+use function Flow\Types\DSL\type_instance_of;
+use Dom\{CharacterData, HTMLElement};
+use Flow\ETL\{Exception\InvalidArgumentException, FlowContext, Row};
+
+final class DOMElementNextSibling extends ScalarFunctionChain
+{
+    public function __construct(
+        private readonly ScalarFunction|\DOMNode|CharacterData|HTMLElement $element,
+        private readonly bool $allowOnlyElement,
+    ) {
+    }
+
+    public function eval(Row $row, FlowContext $context) : \DOMNode|CharacterData|HTMLElement|null
+    {
+        $types = [
+            type_instance_of(\DOMNode::class),
+        ];
+
+        if (\class_exists('\Dom\HTMLElement')) {
+            $types[] = type_instance_of(CharacterData::class);
+            $types[] = type_instance_of(HTMLElement::class);
+        }
+
+        $node = (new Parameter($this->element))->as(
+            $row,
+            $context,
+            ...$types
+        );
+
+        if ($node instanceof \DOMDocument) {
+            $node = $node->documentElement;
+        }
+
+        if ($this->allowOnlyElement) {
+            if (!$node instanceof \DOMElement) {
+                return $context->functions()->invalidResult(new InvalidArgumentException('DOMElementNextSibling with option $allowOnlyElement requires DOMElement.'));
+            }
+
+            if ($node instanceof CharacterData) {
+                return $context->functions()->invalidResult(new InvalidArgumentException('DOMElementNextSibling with option $allowOnlyElement requires HTMLElement.'));
+            }
+
+            return $node->nextElementSibling;
+        }
+
+        /* @phpstan-ignore-next-line */
+        return $node->nextSibling;
+    }
+}
diff --git a/src/core/etl/src/Flow/ETL/Function/DOMElementPreviousSibling.php b/src/core/etl/src/Flow/ETL/Function/DOMElementPreviousSibling.php
new file mode 100644
index 000000000..ec5d04044
--- /dev/null
+++ b/src/core/etl/src/Flow/ETL/Function/DOMElementPreviousSibling.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flow\ETL\Function;
+
+use function Flow\Types\DSL\type_instance_of;
+use Dom\{CharacterData, HTMLElement};
+use Flow\ETL\{Exception\InvalidArgumentException, FlowContext, Row};
+
+final class DOMElementPreviousSibling extends ScalarFunctionChain
+{
+    public function __construct(
+        private readonly ScalarFunction|\DOMNode|CharacterData|HTMLElement $element,
+        private readonly bool $allowOnlyElement,
+    ) {
+    }
+
+    public function eval(Row $row, FlowContext $context) : \DOMNode|CharacterData|HTMLElement|null
+    {
+        $types = [
+            type_instance_of(\DOMNode::class),
+        ];
+
+        if (\class_exists('\Dom\HTMLElement')) {
+            $types[] = type_instance_of(CharacterData::class);
+            $types[] = type_instance_of(HTMLElement::class);
+        }
+
+        $node = (new Parameter($this->element))->as(
+            $row,
+            $context,
+            ...$types
+        );
+
+        if ($node instanceof \DOMDocument) {
+            $node = $node->documentElement;
+        }
+
+        if ($this->allowOnlyElement) {
+            if (!$node instanceof \DOMElement) {
+                return $context->functions()->invalidResult(new InvalidArgumentException('DOMElementPreviousSibling with option $allowOnlyElement requires DOMElement.'));
+            }
+
+            if ($node instanceof CharacterData) {
+                return $context->functions()->invalidResult(new InvalidArgumentException('DOMElementPreviousSibling with option $allowOnlyElement requires HTMLElement.'));
+            }
+
+            return $node->previousElementSibling;
+        }
+
+        /* @phpstan-ignore-next-line */
+        return $node->previousSibling;
+    }
+}
diff --git a/src/core/etl/src/Flow/ETL/Function/DOMElementValue.php b/src/core/etl/src/Flow/ETL/Function/DOMElementValue.php
index 7b57e22a1..11cf307d3 100644
--- a/src/core/etl/src/Flow/ETL/Function/DOMElementValue.php
+++ b/src/core/etl/src/Flow/ETL/Function/DOMElementValue.php
@@ -5,12 +5,12 @@
 namespace Flow\ETL\Function;
 
 use function Flow\Types\DSL\{type_instance_of, type_list};
-use Dom\HTMLElement;
+use Dom\{CharacterData, HTMLElement};
 use Flow\ETL\{FlowContext, Row};
 
 final class DOMElementValue extends ScalarFunctionChain
 {
-    public function __construct(private readonly ScalarFunction|\DOMNode|HTMLElement $node)
+    public function __construct(private readonly ScalarFunction|\DOMNode|CharacterData|HTMLElement $node)
     {
     }
 
@@ -22,6 +22,7 @@ public function eval(Row $row, FlowContext $context) : mixed
         ];
 
         if (\class_exists('\Dom\HTMLElement')) {
+            $types[] = type_instance_of(CharacterData::class);
             $types[] = type_instance_of(HTMLElement::class);
             $types[] = type_list(type_instance_of(HTMLElement::class));
         }
@@ -44,7 +45,7 @@ public function eval(Row $row, FlowContext $context) : mixed
             return $node->nodeValue;
         }
 
-        if ($node instanceof HTMLElement) {
+        if ($node instanceof CharacterData || $node instanceof HTMLElement) {
             return $node->textContent;
         }
 
diff --git a/src/core/etl/src/Flow/ETL/Function/ScalarFunctionChain.php b/src/core/etl/src/Flow/ETL/Function/ScalarFunctionChain.php
index e7e73d9b8..d88478afd 100644
--- a/src/core/etl/src/Flow/ETL/Function/ScalarFunctionChain.php
+++ b/src/core/etl/src/Flow/ETL/Function/ScalarFunctionChain.php
@@ -241,11 +241,21 @@ public function domElementAttributeValue(ScalarFunction|string $attribute) : DOM
         return new DOMElementAttributeValue($this, $attribute);
     }
 
+    public function domElementNextSibling(bool $allowOnlyElement = false) : DOMElementNextSibling
+    {
+        return new DOMElementNextSibling($this, $allowOnlyElement);
+    }
+
     public function domElementParent() : DOMElementParent
     {
         return new DOMElementParent($this);
     }
 
+    public function domElementPreviousSibling(bool $allowOnlyElement = false) : DOMElementPreviousSibling
+    {
+        return new DOMElementPreviousSibling($this, $allowOnlyElement);
+    }
+
     public function domElementValue() : DOMElementValue
     {
         return new DOMElementValue($this);
diff --git a/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementNextSiblingTest.php b/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementNextSiblingTest.php
new file mode 100644
index 000000000..2d0050d23
--- /dev/null
+++ b/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementNextSiblingTest.php
@@ -0,0 +1,99 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flow\ETL\Tests\Integration\Function;
+
+use function Flow\ETL\DSL\{df, from_rows, html_element_entry, ref, row, rows, xml_element_entry};
+use Flow\ETL\Tests\FlowTestCase;
+use PHPUnit\Framework\Attributes\RequiresPhp;
+
+final class DOMElementNextSiblingTest extends FlowTestCase
+{
+    #[RequiresPhp('>= 8.4')]
+    public function test_dom_element_sibling_text_value() : void
+    {
+        $rows = df()
+            ->read(from_rows(
+                rows(
+                    row(
+                        html_element_entry('html_element', '<article><section><h1>User Name</h1></section>01</article>')
+                    )
+                )
+            ))
+            ->withEntry('user_details', ref('html_element')->htmlQuerySelector('section'))
+            ->withEntry('user_name', ref('user_details')->htmlQuerySelector('h1')->domElementValue())
+            ->withEntry('user_id', ref('user_details')->domElementNextSibling()->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => '01',
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+
+    #[RequiresPhp('>= 8.4')]
+    public function test_dom_element_sibling_text_value_when_only_element_is_allowed() : void
+    {
+        $rows = df()
+            ->read(from_rows(
+                rows(
+                    row(
+                        html_element_entry('html_element', '<article><section><h1>User Name</h1></section>01</article>')
+                    )
+                )
+            ))
+            ->withEntry('user_details', ref('html_element')->htmlQuerySelector('section'))
+            ->withEntry('user_name', ref('user_details')->htmlQuerySelector('h1')->domElementValue())
+            ->withEntry('user_id', ref('user_details')->domElementNextSibling(true)->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => null,
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+
+    public function test_xml_sibling_element_value() : void
+    {
+        $dom = new \DOMDocument();
+        $dom->loadXML('<user><name>User Name</name><number>01</number></user>');
+
+        $rows = df()
+            ->read(
+                from_rows(
+                    rows(
+                        row(
+                            xml_element_entry('xml_element', $dom->getElementsByTagName('name')->item(0))
+                        )
+                    )
+                )
+            )
+            ->withEntry('user_name', ref('xml_element')->domElementValue())
+            ->withEntry('user_id', ref('xml_element')->domElementNextSibling()->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => '01',
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+}
diff --git a/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementPreviousSiblingTest.php b/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementPreviousSiblingTest.php
new file mode 100644
index 000000000..e5cf37d1d
--- /dev/null
+++ b/src/core/etl/tests/Flow/ETL/Tests/Integration/Function/DOMElementPreviousSiblingTest.php
@@ -0,0 +1,99 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flow\ETL\Tests\Integration\Function;
+
+use function Flow\ETL\DSL\{df, from_rows, html_element_entry, ref, row, rows, xml_element_entry};
+use Flow\ETL\Tests\FlowTestCase;
+use PHPUnit\Framework\Attributes\RequiresPhp;
+
+final class DOMElementPreviousSiblingTest extends FlowTestCase
+{
+    #[RequiresPhp('>= 8.4')]
+    public function test_dom_element_sibling_text_value() : void
+    {
+        $rows = df()
+            ->read(from_rows(
+                rows(
+                    row(
+                        html_element_entry('html_element', '<article>01<section><h1>User Name</h1></section></article>')
+                    )
+                )
+            ))
+            ->withEntry('user_details', ref('html_element')->htmlQuerySelector('section'))
+            ->withEntry('user_name', ref('user_details')->htmlQuerySelector('h1')->domElementValue())
+            ->withEntry('user_id', ref('user_details')->domElementPreviousSibling()->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => '01',
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+
+    #[RequiresPhp('>= 8.4')]
+    public function test_dom_element_sibling_text_value_when_only_element_is_allowed() : void
+    {
+        $rows = df()
+            ->read(from_rows(
+                rows(
+                    row(
+                        html_element_entry('html_element', '<article>01<section><h1>User Name</h1></section></article>')
+                    )
+                )
+            ))
+            ->withEntry('user_details', ref('html_element')->htmlQuerySelector('section'))
+            ->withEntry('user_name', ref('user_details')->htmlQuerySelector('h1')->domElementValue())
+            ->withEntry('user_id', ref('user_details')->domElementPreviousSibling(true)->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => null,
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+
+    public function test_xml_sibling_element_value() : void
+    {
+        $dom = new \DOMDocument();
+        $dom->loadXML('<user><name>User Name</name><number>01</number></user>');
+
+        $rows = df()
+            ->read(
+                from_rows(
+                    rows(
+                        row(
+                            xml_element_entry('xml_element', $dom->getElementsByTagName('number')->item(0))
+                        )
+                    )
+                )
+            )
+            ->withEntry('user_id', ref('xml_element')->domElementValue())
+            ->withEntry('user_name', ref('xml_element')->domElementPreviousSibling()->domElementValue())
+            ->select('user_name', 'user_id')
+            ->fetch();
+
+        self::assertSame(
+            [
+                [
+                    'user_name' => 'User Name',
+                    'user_id' => '01',
+                ],
+            ],
+            $rows->toArray()
+        );
+    }
+}
diff --git a/web/landing/resources/api.json b/web/landing/resources/api.json
index 03f17c4a2..b9cf30ff3 100644
--- a/web/landing/resources/api.json
+++ b/web/landing/resources/api.json
@@ -1 +1 @@
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