Fix

src/Admin/AbstractAdmin.php

@@ -381,20 +381,9 @@ public function getDataSourceIterator(): SourceIteratorInterface
 //            $fields[$key] = $field;
         }
 
-        if ($this->getDataSource()) {
-            $query = $datagrid->getQuery();
+        $query = $datagrid->getQuery();
 
-            return $this->getDataSource()->createIterator($query, $fields);
-        }
-
-        @trigger_error(sprintf(
-            'Using "%s()" without setting a "%s" instance in the admin is deprecated since sonata-project/admin-bundle 3.79'
-            .' and won\'t be possible in 4.0.',
-            __METHOD__,
-            DataSourceInterface::class
-        ), E_USER_DEPRECATED);
-
-        return $this->getModelManager()->getDataSourceIterator($datagrid, $fields);
+        return $this->getDataSource()->createIterator($query, $fields);
     }
 
     /**
@@ -819,11 +808,6 @@ public function getIdParameter(): string
 
     public function hasRoute(string $name): bool
     {
-        // NEXT_MAJOR: Remove this check.
-        if (!$this->routeGenerator) {
-            throw new \RuntimeException('RouteGenerator cannot be null');
-        }
-
         return $this->getRouteGenerator()->hasAdminRoute($this, $name);
     }
 
@@ -860,12 +844,12 @@ public function generateObjectUrl(string $name, object $object, array $parameter
 
     public function generateUrl(string $name, array $parameters = [], int $referenceType = RoutingUrlGeneratorInterface::ABSOLUTE_PATH): string
     {
-        return $this->routeGenerator->generateUrl($this, $name, $parameters, $referenceType);
+        return $this->getRouteGenerator()->generateUrl($this, $name, $parameters, $referenceType);
     }
 
     public function generateMenuUrl(string $name, array $parameters = [], int $referenceType = RoutingUrlGeneratorInterface::ABSOLUTE_PATH): array
     {
-        return $this->routeGenerator->generateMenuUrl($this, $name, $parameters, $referenceType);
+        return $this->getRouteGenerator()->generateMenuUrl($this, $name, $parameters, $referenceType);
     }
 
     final public function setTemplateRegistry(MutableTemplateRegistryInterface $templateRegistry): void

src/DependencyInjection/Admin/AbstractTaggedAdmin.php

@@ -254,7 +254,7 @@ public function getManagerType(): string
     /**
      * @final since sonata-admin/admin-bundle 3.x
      *
-     * @param array<string, string[]|string> $information
+     * @param array<string, string[]> $information
      */
     public function setSecurityInformation(array $information): void
     {
@@ -264,7 +264,7 @@ public function setSecurityInformation(array $information): void
     /**
      * @final since sonata-admin/admin-bundle 3.x
      *
-     * @return array<string, string[]|string>
+     * @return array<string, string[]>
      */
     public function getSecurityInformation(): array
     {

src/Security/Handler/AclSecurityHandlerInterface.php

@@ -66,6 +66,8 @@ public function addObjectOwner(MutableAclInterface $acl, ?UserSecurityIdentity $
 
     /**
      * Add the object class ACE's to the object ACL.
+     *
+     * @param array<string, string[]> $roleInformation
      */
     public function addObjectClassAces(MutableAclInterface $acl, array $roleInformation = []): void;
 

src/Security/Handler/SecurityHandlerInterface.php

@@ -31,7 +31,7 @@ public function isGranted(AdminInterface $admin, $attributes, ?object $object =
     public function getBaseRole(AdminInterface $admin): string;
 
     /**
-     * @return array<string, mixed>
+     * @return array<string, string[]>
      */
     public function buildSecurityInformation(AdminInterface $admin): array;
 

src/Util/AdminObjectAclData.php

@@ -211,6 +211,9 @@ public function getSecurityHandler(): AclSecurityHandlerInterface
         return $securityHandler;
     }
 
+    /**
+     * @return array<string, string[]>
+     */
     public function getSecurityInformation(): array
     {
         return $this->getSecurityHandler()->buildSecurityInformation($this->admin);