diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index 659da17bac..390bdb5afc 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -24,4 +24,4 @@ on:
 
 jobs:
   coding-standards:
-    uses: "doctrine/.github/.github/workflows/coding-standards.yml@5.0.1"
+    uses: "doctrine/.github/.github/workflows/coding-standards.yml@5.1.0"
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 65cbad613b..96caa7eba0 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -40,10 +40,5 @@ jobs:
         with:
           dependency-versions: "highest"
 
-      - name: "Add orphan metadata where needed"
-        run: |
-          printf '%s\n\n%s\n' ":orphan:" "$(cat docs/en/sidebar.rst)" > docs/en/sidebar.rst
-          printf '%s\n\n%s\n' ":orphan:" "$(cat docs/en/reference/installation.rst)" > docs/en/reference/installation.rst
-
       - name: "Run guides-cli"
         run: "vendor/bin/guides -vvv --no-progress docs/en 2>&1 | grep -v 'No template found for rendering directive' | ( ! grep WARNING )"
diff --git a/.github/workflows/release-on-milestone-closed.yml b/.github/workflows/release-on-milestone-closed.yml
index 89d4fe8bf1..d54a784ebe 100644
--- a/.github/workflows/release-on-milestone-closed.yml
+++ b/.github/workflows/release-on-milestone-closed.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   release:
-    uses: "doctrine/.github/.github/workflows/release-on-milestone-closed.yml@5.0.1"
+    uses: "doctrine/.github/.github/workflows/release-on-milestone-closed.yml@5.1.0"
     secrets:
       GIT_AUTHOR_EMAIL: ${{ secrets.GIT_AUTHOR_EMAIL }}
       GIT_AUTHOR_NAME: ${{ secrets.GIT_AUTHOR_NAME }}
diff --git a/composer.json b/composer.json
index ebf9299607..76df2056e4 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
         "doctrine/annotations": "^1.13 || ^2",
         "doctrine/coding-standard": "^9.0.2 || ^12.0",
         "phpbench/phpbench": "^0.16.10 || ^1.0",
-        "phpstan/phpstan": "~1.4.10 || 1.11.1",
+        "phpstan/phpstan": "~1.4.10 || 1.12.0",
         "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6",
         "psr/log": "^1 || ^2 || ^3",
         "squizlabs/php_codesniffer": "3.7.2",
diff --git a/docs/en/reference/attributes-reference.rst b/docs/en/reference/attributes-reference.rst
index 795eeebf31..8709cda627 100644
--- a/docs/en/reference/attributes-reference.rst
+++ b/docs/en/reference/attributes-reference.rst
@@ -14,7 +14,7 @@ Index
 -  :ref:`#[AttributeOverride] <attrref_attributeoverride>`
 -  :ref:`#[Column] <attrref_column>`
 -  :ref:`#[Cache] <attrref_cache>`
--  :ref:`#[ChangeTrackingPolicy <attrref_changetrackingpolicy>`
+-  :ref:`#[ChangeTrackingPolicy] <attrref_changetrackingpolicy>`
 -  :ref:`#[CustomIdGenerator] <attrref_customidgenerator>`
 -  :ref:`#[DiscriminatorColumn] <attrref_discriminatorcolumn>`
 -  :ref:`#[DiscriminatorMap] <attrref_discriminatormap>`
diff --git a/docs/en/reference/installation.rst b/docs/en/reference/installation.rst
index dab1364f77..2c0d582300 100644
--- a/docs/en/reference/installation.rst
+++ b/docs/en/reference/installation.rst
@@ -1,3 +1,5 @@
+:orphan:
+
 Installation
 ============
 
diff --git a/docs/en/sidebar.rst b/docs/en/sidebar.rst
index df3032d65f..f67304e845 100644
--- a/docs/en/sidebar.rst
+++ b/docs/en/sidebar.rst
@@ -1,3 +1,5 @@
+:orphan:
+
 .. toc::
 
    .. tocheader:: Tutorials
diff --git a/src/Tools/EntityGenerator.php b/src/Tools/EntityGenerator.php
index 2c17ca33c9..f47d177a78 100644
--- a/src/Tools/EntityGenerator.php
+++ b/src/Tools/EntityGenerator.php
@@ -767,6 +767,9 @@ private function generateEmbeddableConstructor(ClassMetadataInfo $metadata): str
 
             if ($fieldMapping['type'] === 'datetime') {
                 $param = $this->getType($fieldMapping['type']) . ' ' . $param;
+                if (! empty($fieldMapping['nullable'])) {
+                    $param = '?' . $param;
+                }
             }
 
             if (! empty($fieldMapping['nullable'])) {
@@ -1398,6 +1401,9 @@ protected function generateEntityStubMethod(ClassMetadataInfo $metadata, $type,
         if ($typeHint && ! isset($types[$typeHint])) {
             $variableType   =  '\\' . ltrim($variableType, '\\');
             $methodTypeHint =  '\\' . $typeHint . ' ';
+            if ($defaultValue === 'null') {
+                $methodTypeHint = '?' . $methodTypeHint;
+            }
         }
 
         $replacements = [