diff --git a/config/packages/dev/easy_log_handler.yaml b/config/packages/dev/easy_log_handler.yaml
deleted file mode 100644
index 27bfc608..00000000
--- a/config/packages/dev/easy_log_handler.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-services:
-    EasyCorp\EasyLog\EasyLogHandler:
-        public: false
-        arguments: ['%kernel.logs_dir%/%kernel.environment%.log']
-
-#// FIXME: How to add this configuration automatically without messing up with the monolog configuration?
-#monolog:
-#    handlers:
-#        buffered:
-#            type:     buffer
-#            handler:  easylog
-#            channels: ['!event']
-#            level:    debug
-#        easylog:
-#            type: service
-#            id:   EasyCorp\EasyLog\EasyLogHandler
diff --git a/config/packages/doctrine.php b/config/packages/doctrine.php
index e5be011f..f62cdcfb 100644
--- a/config/packages/doctrine.php
+++ b/config/packages/doctrine.php
@@ -20,16 +20,16 @@
 
 declare(strict_types=1);
 
-use Symfony\Config\DoctrineConfig;
-
 /**
- * This class extends the default doctrine ORM configuration to enable native lazy objects on PHP 8.4+.
+ * This file enables native lazy objects on PHP 8.4+.
  * We have to do this in a PHP file, because the yaml file does not support conditionals on PHP version.
+ *
+ * TODO: Remove this file when we drop support for PHP < 8.4
  */
 
-return static function(DoctrineConfig $doctrine) {
-    //On PHP 8.4+ we can use native lazy objects, which are much more efficient than proxies.
-    if (PHP_VERSION_ID >= 80400) {
-        $doctrine->orm()->enableNativeLazyObjects(true);
-    }
-};
+// On PHP 8.4+ we can use native lazy objects, which are much more efficient than proxies.
+if (PHP_VERSION_ID >= 80400) {
+    return ['doctrine' => ['orm' => ['enable_native_lazy_objects' => true]]];
+}
+
+return [];
diff --git a/src/Doctrine/Middleware/SQLiteRegexExtensionMiddlewareDriver.php b/src/Doctrine/Middleware/SQLiteRegexExtensionMiddlewareDriver.php
index aa6108c9..f721f986 100644
--- a/src/Doctrine/Middleware/SQLiteRegexExtensionMiddlewareDriver.php
+++ b/src/Doctrine/Middleware/SQLiteRegexExtensionMiddlewareDriver.php
@@ -27,6 +27,7 @@ use App\Doctrine\Functions\SiValueSort;
 use App\Exceptions\InvalidRegexException;
 use Doctrine\DBAL\Driver\Connection;
 use Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware;
+use Pdo\Sqlite;
 
 /**
  * This middleware is used to add the regexp operator to the SQLite platform.
@@ -44,17 +45,30 @@ class SQLiteRegexExtensionMiddlewareDriver extends AbstractDriverMiddleware
         if ($params['driver'] === 'pdo_sqlite') {
             $native_connection = $connection->getNativeConnection();
 
-            //Ensure that the function really exists on the connection, as it is marked as experimental according to PHP documentation
             if($native_connection instanceof \PDO) {
-                $native_connection->sqliteCreateFunction('REGEXP', self::regexp(...), 2, \PDO::SQLITE_DETERMINISTIC);
-                $native_connection->sqliteCreateFunction('FIELD', self::field(...), -1, \PDO::SQLITE_DETERMINISTIC);
-                $native_connection->sqliteCreateFunction('FIELD2', self::field2(...), 2, \PDO::SQLITE_DETERMINISTIC);
 
-                //Create a new collation for natural sorting
-                $native_connection->sqliteCreateCollation('NATURAL_CMP', strnatcmp(...));
+                //Use the new PDO::createFunction and PDO::createCollation methods if available (PHP 8.4+)
+                if (is_a($native_connection, Sqlite::class)) { #TODO: Remove this check when PHP 8.4 is the minimum requirement
+                    $native_connection->createFunction('REGEXP', self::regexp(...), 2, Sqlite::DETERMINISTIC);
+                    $native_connection->createFunction('FIELD', self::field(...), -1, Sqlite::DETERMINISTIC);
+                    $native_connection->createFunction('FIELD2', self::field2(...), 2, Sqlite::DETERMINISTIC);
 
-                //Create a function for SI prefix value sorting
-                $native_connection->sqliteCreateFunction('SI_VALUE', SiValueSort::sqliteSiValue(...), 1, \PDO::SQLITE_DETERMINISTIC);
+                    //Create a new collation for natural sorting
+                    $native_connection->createCollation('NATURAL_CMP', strnatcmp(...));
+
+                    //Create a function for SI prefix value sorting
+                    $native_connection->createFunction('SI_VALUE', SiValueSort::sqliteSiValue(...), 1, Sqlite::DETERMINISTIC);
+                } else {
+                    $native_connection->sqliteCreateFunction('REGEXP', self::regexp(...), 2, \PDO::SQLITE_DETERMINISTIC);
+                    $native_connection->sqliteCreateFunction('FIELD', self::field(...), -1, \PDO::SQLITE_DETERMINISTIC);
+                    $native_connection->sqliteCreateFunction('FIELD2', self::field2(...), 2, \PDO::SQLITE_DETERMINISTIC);
+
+                    //Create a new collation for natural sorting
+                    $native_connection->sqliteCreateCollation('NATURAL_CMP', strnatcmp(...));
+
+                    //Create a function for SI prefix value sorting
+                    $native_connection->sqliteCreateFunction('SI_VALUE', SiValueSort::sqliteSiValue(...), 1, \PDO::SQLITE_DETERMINISTIC);
+                }
             }
         }
 
@@ -118,4 +132,4 @@ class SQLiteRegexExtensionMiddlewareDriver extends AbstractDriverMiddleware
 
         return $index + 1;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Entity/ProjectSystem/Project.php b/src/Entity/ProjectSystem/Project.php
index a103d694..f4a3e9de 100644
--- a/src/Entity/ProjectSystem/Project.php
+++ b/src/Entity/ProjectSystem/Project.php
@@ -117,7 +117,7 @@ class Project extends AbstractStructuralDBElement
     /**
      * @var string|null The current status of the project
      */
-    #[Assert\Choice(['draft', 'planning', 'in_production', 'finished', 'archived'])]
+    #[Assert\Choice(choices: ['draft', 'planning', 'in_production', 'finished', 'archived'])]
     #[Groups(['extended', 'full', 'project:read', 'project:write', 'import'])]
     #[ORM\Column(type: Types::STRING, length: 64, nullable: true)]
     protected ?string $status = null;
diff --git a/src/Form/Type/AttachmentTypeType.php b/src/Form/Type/AttachmentTypeType.php
index 099ed282..95b5a254 100644
--- a/src/Form/Type/AttachmentTypeType.php
+++ b/src/Form/Type/AttachmentTypeType.php
@@ -38,7 +38,7 @@ class AttachmentTypeType extends AbstractType
         return StructuralEntityType::class;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->define('attachment_filter_class')->allowedTypes('null', 'string')->default(null);
 
diff --git a/src/Helpers/Projects/ProjectBuildRequest.php b/src/Helpers/Projects/ProjectBuildRequest.php
index 430d37b5..d2dfe139 100644
--- a/src/Helpers/Projects/ProjectBuildRequest.php
+++ b/src/Helpers/Projects/ProjectBuildRequest.php
@@ -84,8 +84,10 @@ final class ProjectBuildRequest
             $remaining_amount = $this->getNeededAmountForBOMEntry($bom_entry);
             foreach($this->getPartLotsForBOMEntry($bom_entry) as $lot) {
                 //If the lot has instock use it for the build
-                $this->withdraw_amounts[$lot->getID()] = min($remaining_amount, $lot->getAmount());
-                $remaining_amount -= max(0, $this->withdraw_amounts[$lot->getID()]);
+                $id = $lot->getID() ?? throw new \RuntimeException("Part lot needs to have an ID!");
+
+                $this->withdraw_amounts[$id] = min($remaining_amount, $lot->getAmount());
+                $remaining_amount -= max(0, $this->withdraw_amounts[$id]);
             }
         }
     }
@@ -176,6 +178,10 @@ final class ProjectBuildRequest
     {
         $lot_id = $lot instanceof PartLot ? $lot->getID() : $lot;
 
+        if ($lot_id === null) {
+            throw new \InvalidArgumentException('The given lot must have an ID!');
+        }
+
         if (! array_key_exists($lot_id, $this->withdraw_amounts)) {
             throw new \InvalidArgumentException('The given lot is not in the withdraw amounts array!');
         }
@@ -192,10 +198,12 @@ final class ProjectBuildRequest
     {
         if ($lot instanceof PartLot) {
             $lot_id = $lot->getID();
-        } elseif (is_int($lot)) {
-            $lot_id = $lot;
         } else {
-            throw new \InvalidArgumentException('The given lot must be an instance of PartLot or an ID of a PartLot!');
+            $lot_id = $lot;
+        }
+
+        if ($lot_id === null) {
+            throw new \InvalidArgumentException('The given lot must have an ID!');
         }
 
         $this->withdraw_amounts[$lot_id] = $amount;
@@ -296,7 +304,7 @@ final class ProjectBuildRequest
      * @param  bool  $dont_check_quantity
      * @return $this
      */
-    public function setDontCheckQuantity(bool $dont_check_quantity): ProjectBuildRequest
+    public function setDontCheckQuantity(bool $dont_check_quantity): self
     {
         $this->dont_check_quantity = $dont_check_quantity;
         return $this;
diff --git a/src/Repository/DBElementRepository.php b/src/Repository/DBElementRepository.php
index f737d91d..6e13aff7 100644
--- a/src/Repository/DBElementRepository.php
+++ b/src/Repository/DBElementRepository.php
@@ -158,7 +158,6 @@ class DBElementRepository extends EntityRepository
     {
         $reflection = new ReflectionClass($element::class);
         $property = $reflection->getProperty($field);
-        $property->setAccessible(true);
         $property->setValue($element, $new_value);
     }
 }
diff --git a/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelperTrait.php b/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelperTrait.php
index 08b1c301..cbfb4ee0 100644
--- a/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelperTrait.php
+++ b/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelperTrait.php
@@ -233,7 +233,6 @@ trait PKImportHelperTrait
 
         $reflectionClass = new \ReflectionClass($entity);
         $property = $reflectionClass->getProperty('addedDate');
-        $property->setAccessible(true);
         $property->setValue($entity, $date);
     }
 
diff --git a/templates/log_system/details/_extra_collection_element_deleted.html.twig b/templates/log_system/details/_extra_collection_element_deleted.html.twig
index 221fae95..1c2ce2f3 100644
--- a/templates/log_system/details/_extra_collection_element_deleted.html.twig
+++ b/templates/log_system/details/_extra_collection_element_deleted.html.twig
@@ -4,7 +4,7 @@
 
 <p class="m-0">
     <b>{% trans %}log.collection_deleted.deleted{% endtrans %}</b>:
-    {{ entity_type_label(entry.deletedElementClass) }} #{{ entry.deletedElementID }}
+    {{ type_label(entry.deletedElementClass) }} #{{ entry.deletedElementID }}
     {% if entry.oldName is not empty %}
         ({{ entry.oldName }})
     {% endif %}
@@ -12,4 +12,4 @@
 <p class="m-0">
     <b>{% trans %}log.collection_deleted.on_collection{% endtrans %}</b>:
     {{ log_helper.translate_field(entry.collectionName) }}
-</p>
\ No newline at end of file
+</p>
diff --git a/templates/parts/info/_picture.html.twig b/templates/parts/info/_picture.html.twig
index e6aa74b3..db6c59ca 100644
--- a/templates/parts/info/_picture.html.twig
+++ b/templates/parts/info/_picture.html.twig
@@ -19,7 +19,7 @@
                             <div class="carousel-caption text-white">
                                 <div><b>{{ pic.name }}</b></div>
                                 <div>{% if pic.filename %}({{ pic.filename }}) {% endif %}</div>
-                                <div>{{ entity_type_label(pic.element) }}</div>
+                                <div>{{ type_label(pic.element) }}</div>
                             </div>
                         </div>
                         {% endif %}
@@ -41,4 +41,4 @@
 
 {% else %}
     <img src="{{ asset('img/part_placeholder.svg') }}" class="img-fluid img-thumbnail bg-light mb-2" alt="Part main image" height="300" width="300">
-{% endif %}
\ No newline at end of file
+{% endif %}
diff --git a/templates/parts/info/show_part_info.html.twig b/templates/parts/info/show_part_info.html.twig
index 96b5e209..b36ab047 100644
--- a/templates/parts/info/show_part_info.html.twig
+++ b/templates/parts/info/show_part_info.html.twig
@@ -22,7 +22,7 @@
             <i>({{ timeTravel | format_datetime('short') }})</i>
         {% endif %}
         {% if part.projectBuildPart %}
-            (<i>{{ entity_type_label(part.builtProject) }}</i>: <a class="text-white" href="{{ entity_url(part.builtProject) }}">{{ part.builtProject.name }}</a>)
+            (<i>{{ type_label(part.builtProject) }}</i>: <a class="text-white" href="{{ entity_url(part.builtProject) }}">{{ part.builtProject.name }}</a>)
         {% endif %}
     </span>
     <span class="float-end">
diff --git a/tests/Doctrine/Functions/SiValueSortTest.php b/tests/Doctrine/Functions/SiValueSortTest.php
index dbdd9d28..4ef8a397 100644
--- a/tests/Doctrine/Functions/SiValueSortTest.php
+++ b/tests/Doctrine/Functions/SiValueSortTest.php
@@ -26,6 +26,7 @@ use App\Doctrine\Functions\SiValueSort;
 use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
 use Doctrine\DBAL\Platforms\SQLitePlatform;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 final class SiValueSortTest extends AbstractDoctrineFunctionTestCase
 {
@@ -71,9 +72,7 @@ final class SiValueSortTest extends AbstractDoctrineFunctionTestCase
         $this->assertSame('SI_VALUE(part_name)', $sql);
     }
 
-    /**
-     * @dataProvider sqliteSiValueProvider
-     */
+    #[DataProvider('sqliteSiValueProvider')]
     public function testSqliteSiValue(?string $input, ?float $expected): void
     {
         $result = SiValueSort::sqliteSiValue($input);
diff --git a/tests/Entity/Attachments/AttachmentTest.php b/tests/Entity/Attachments/AttachmentTest.php
index 9e912b97..bef2df16 100644
--- a/tests/Entity/Attachments/AttachmentTest.php
+++ b/tests/Entity/Attachments/AttachmentTest.php
@@ -276,7 +276,6 @@ final class AttachmentTest extends TestCase
     {
         $reflection = new ReflectionClass($object);
         $reflection_property = $reflection->getProperty($property);
-        $reflection_property->setAccessible(true);
         $reflection_property->setValue($object, $value);
     }
 
diff --git a/tests/Helpers/Projects/ProjectBuildRequestTest.php b/tests/Helpers/Projects/ProjectBuildRequestTest.php
index c1fd1498..3014f762 100644
--- a/tests/Helpers/Projects/ProjectBuildRequestTest.php
+++ b/tests/Helpers/Projects/ProjectBuildRequestTest.php
@@ -82,7 +82,12 @@ final class ProjectBuildRequestTest extends TestCase
 
         $part2->setName('Part 2');
         $part2->setPartUnit($float_unit);
-        $this->lot2 = new PartLot();
+        $this->lot2 = new class extends PartLot {
+            public function getID(): ?int
+            {
+                return 3;
+            }
+        };;
         $part2->addPartLot($this->lot2);
         $this->lot2->setAmount(2.5);
         $this->lot2->setDescription('Lot 2');
diff --git a/tests/Services/InfoProviderSystem/Providers/BuerklinProviderTest.php b/tests/Services/InfoProviderSystem/Providers/BuerklinProviderTest.php
index ef446c9a..d466f048 100644
--- a/tests/Services/InfoProviderSystem/Providers/BuerklinProviderTest.php
+++ b/tests/Services/InfoProviderSystem/Providers/BuerklinProviderTest.php
@@ -77,7 +77,6 @@ final class BuerklinProviderTest extends TestCase
     public function testAttributesToParametersParsesUnitsAndValues(): void
     {
         $method = new \ReflectionMethod(BuerklinProvider::class, 'attributesToParameters');
-        $method->setAccessible(true);
 
         $features = [
             [
@@ -127,7 +126,6 @@ final class BuerklinProviderTest extends TestCase
     public function testComplianceParameters(): void
     {
         $method = new \ReflectionMethod(BuerklinProvider::class, 'complianceToParameters');
-        $method->setAccessible(true);
 
         $product = [
             'labelRoHS' => 'Yes',
@@ -158,7 +156,6 @@ final class BuerklinProviderTest extends TestCase
     public function testImageSelectionPrefersZoomAndDeduplicates(): void
     {
         $method = new \ReflectionMethod(BuerklinProvider::class, 'getProductImages');
-        $method->setAccessible(true);
 
         $images = [
             ['format' => 'product', 'url' => '/img/a.webp'],
@@ -176,7 +173,6 @@ final class BuerklinProviderTest extends TestCase
     public function testFootprintExtraction(): void
     {
         $method = new \ReflectionMethod(BuerklinProvider::class, 'getPartDetail');
-        $method->setAccessible(true);
 
         $product = [
             'code' => 'TEST1',
@@ -212,7 +208,6 @@ final class BuerklinProviderTest extends TestCase
         ];
 
         $method = new \ReflectionMethod(BuerklinProvider::class, 'pricesToVendorInfo');
-        $method->setAccessible(true);
 
         $vendorInfo = $method->invoke($this->provider, 'SKU1', 'https://x', $detailPrice);
 
@@ -260,7 +255,6 @@ final class BuerklinProviderTest extends TestCase
         );
 
         $method = new \ReflectionMethod(BuerklinProvider::class, 'convertPartDetailToSearchResult');
-        $method->setAccessible(true);
 
         $dto = $method->invoke($this->provider, $detail);
 
@@ -273,13 +267,13 @@ final class BuerklinProviderTest extends TestCase
     {
         $this->assertSame(['buerklin.com'], $this->provider->getHandledDomains());
     }
-    
+
     #[DataProvider('buerklinIdFromUrlProvider')]
     public function testGetIDFromURLExtractsId(string $url, ?string $expected): void
     {
         $this->assertSame($expected, $this->provider->getIDFromURL($url));
     }
-    
+
     public static function buerklinIdFromUrlProvider(): \Iterator
     {
         yield 'de long path' => [
diff --git a/tests/Services/InfoProviderSystem/Providers/LCSCProviderTest.php b/tests/Services/InfoProviderSystem/Providers/LCSCProviderTest.php
index dc19de6b..9ec3abe1 100644
--- a/tests/Services/InfoProviderSystem/Providers/LCSCProviderTest.php
+++ b/tests/Services/InfoProviderSystem/Providers/LCSCProviderTest.php
@@ -367,7 +367,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('sanitizeField');
-        $method->setAccessible(true);
 
         $this->assertNull($method->invokeArgs($this->provider, [null]));
         $this->assertEquals('Clean text', $method->invokeArgs($this->provider, ['Clean text']));
@@ -378,7 +377,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('getUsedCurrency');
-        $method->setAccessible(true);
 
         $this->assertEquals('USD', $method->invokeArgs($this->provider, ['US$']));
         $this->assertEquals('USD', $method->invokeArgs($this->provider, ['$']));
@@ -391,7 +389,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('getProductShortURL');
-        $method->setAccessible(true);
 
         $result = $method->invokeArgs($this->provider, ['C123456']);
         $this->assertEquals('https://www.lcsc.com/product-detail/C123456.html', $result);
@@ -401,7 +398,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('getProductDatasheets');
-        $method->setAccessible(true);
 
         $result = $method->invokeArgs($this->provider, [null]);
         $this->assertIsArray($result);
@@ -417,7 +413,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('getProductImages');
-        $method->setAccessible(true);
 
         $result = $method->invokeArgs($this->provider, [null]);
         $this->assertIsArray($result);
@@ -434,7 +429,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('attributesToParameters');
-        $method->setAccessible(true);
 
         $attributes = [
             ['paramNameEn' => 'Resistance', 'paramValueEn' => '1kΩ'],
@@ -454,7 +448,6 @@ final class LCSCProviderTest extends TestCase
     {
         $reflection = new \ReflectionClass($this->provider);
         $method = $reflection->getMethod('pricesToVendorInfo');
-        $method->setAccessible(true);
 
         $prices = [
             ['ladder' => 1, 'productPrice' => '0.10', 'currencySymbol' => 'US$'],