diff --git a/extensions/tags/js/src/admin/components/SelectTagsSettingComponent.tsx b/extensions/tags/js/src/admin/components/SelectTagsSettingComponent.tsx
index acf01fcd4..5eaa01db4 100644
--- a/extensions/tags/js/src/admin/components/SelectTagsSettingComponent.tsx
+++ b/extensions/tags/js/src/admin/components/SelectTagsSettingComponent.tsx
@@ -4,12 +4,12 @@ import Button from 'flarum/common/components/Button';
 import LoadingIndicator from 'flarum/common/components/LoadingIndicator';
 import tagsLabel from '../../common/helpers/tagsLabel';
 
-import type { CommonSettingsItemOptions } from 'flarum/admin/components/AdminPage';
+import type { CommonFieldOptions } from 'flarum/common/components/FormGroup';
 import type Stream from 'flarum/common/utils/Stream';
 import type { ITagSelectionModalAttrs } from '../../common/components/TagSelectionModal';
 import type Tag from '../../common/models/Tag';
 
-export interface SelectTagsSettingComponentOptions extends CommonSettingsItemOptions {
+export interface SelectTagsSettingComponentOptions extends CommonFieldOptions {
   type: 'flarum-tags.select-tags';
   options?: ITagSelectionModalAttrs;
 }
diff --git a/framework/core/src/Frontend/Compiler/Concerns/HasSources.php b/framework/core/src/Frontend/Compiler/Concerns/HasSources.php
index 3a0bd2f8d..4f1c9f504 100644
--- a/framework/core/src/Frontend/Compiler/Concerns/HasSources.php
+++ b/framework/core/src/Frontend/Compiler/Concerns/HasSources.php
@@ -12,6 +12,9 @@ namespace Flarum\Frontend\Compiler\Concerns;
 use Flarum\Frontend\Compiler\Source\SourceCollector;
 use Flarum\Frontend\Compiler\Source\SourceInterface;
 
+/**
+ * @template T of SourceInterface
+ */
 trait HasSources
 {
     /**
@@ -25,7 +28,7 @@ trait HasSources
     }
 
     /**
-     * @return SourceInterface[]
+     * @return T[]
      */
     protected function getSources(): array
     {
diff --git a/framework/core/src/Frontend/Compiler/JsDirectoryCompiler.php b/framework/core/src/Frontend/Compiler/JsDirectoryCompiler.php
index d69be61dc..1059cc5f9 100644
--- a/framework/core/src/Frontend/Compiler/JsDirectoryCompiler.php
+++ b/framework/core/src/Frontend/Compiler/JsDirectoryCompiler.php
@@ -18,6 +18,8 @@ use Illuminate\Filesystem\FilesystemAdapter;
 /**
  * Used to copy JS files from a package directory to the assets' directory.
  * Without concatenating them. Primarily used for lazy loading JS modules.
+ *
+ * @uses HasSources<DirectorySource>
  */
 class JsDirectoryCompiler implements CompilerInterface
 {
@@ -44,6 +46,7 @@ class JsDirectoryCompiler implements CompilerInterface
 
     public function commit(bool $force = false): void
     {
+        /** @var DirectorySource $source */
         foreach ($this->getSources() as $source) {
             $this->compileSource($source, $force);
         }
@@ -51,6 +54,7 @@ class JsDirectoryCompiler implements CompilerInterface
 
     public function getUrl(): ?string
     {
+        /** @var DirectorySource $source */
         foreach ($this->getSources() as $source) {
             $this->eachFile($source, fn (JsCompiler $compiler) => $compiler->getUrl());
         }
@@ -60,6 +64,7 @@ class JsDirectoryCompiler implements CompilerInterface
 
     public function flush(): void
     {
+        /** @var DirectorySource $source */
         foreach ($this->getSources() as $source) {
             $this->flushSource($source);
         }
diff --git a/php-packages/phpstan/larastan-extension.neon b/php-packages/phpstan/larastan-extension.neon
index daeaa1130..869fcd0d0 100644
--- a/php-packages/phpstan/larastan-extension.neon
+++ b/php-packages/phpstan/larastan-extension.neon
@@ -12,6 +12,7 @@ parameters:
     bootstrapFiles:
         - bootstrap.php
     checkOctaneCompatibility: false
+    noEnvCallsOutsideOfConfig: false
     noModelMake: true
     noUnnecessaryCollectionCall: true
     noUnnecessaryCollectionCallOnly: []
@@ -24,9 +25,11 @@ parameters:
     checkModelProperties: false
     checkPhpDocMissingReturn: false
     checkUnusedViews: false
+    checkModelAppends: false
 
 parametersSchema:
     checkOctaneCompatibility: bool()
+    noEnvCallsOutsideOfConfig: bool()
     noModelMake: bool()
     noUnnecessaryCollectionCall: bool()
     noUnnecessaryCollectionCallOnly: listOf(string())
@@ -38,8 +41,11 @@ parametersSchema:
     disableSchemaScan: bool()
     checkModelProperties: bool()
     checkUnusedViews: bool()
+    checkModelAppends: bool()
 
 conditionalTags:
+    Larastan\Larastan\Rules\NoEnvCallsOutsideOfConfigRule:
+        phpstan.rules.rule: %noEnvCallsOutsideOfConfig%
     Larastan\Larastan\Rules\NoModelMakeRule:
         phpstan.rules.rule: %noModelMake%
     Larastan\Larastan\Rules\NoUnnecessaryCollectionCallRule:
@@ -52,6 +58,8 @@ conditionalTags:
         phpstan.rules.rule: %checkModelProperties%
     Larastan\Larastan\Rules\UnusedViewsRule:
         phpstan.rules.rule: %checkUnusedViews%
+    Larastan\Larastan\Rules\ModelAppendsRule:
+        phpstan.rules.rule: %checkModelAppends%
 
 services:
     -
@@ -163,6 +171,10 @@ services:
         class: Larastan\Larastan\Properties\ModelRelationsExtension
         tags:
             - phpstan.broker.propertiesClassReflectionExtension
+    -
+        class: Larastan\Larastan\ReturnTypes\ModelOnlyDynamicMethodReturnTypeExtension
+        tags:
+            - phpstan.broker.dynamicMethodReturnTypeExtension
 
     -
         class: Larastan\Larastan\ReturnTypes\ModelFactoryDynamicStaticMethodReturnTypeExtension
@@ -287,7 +299,7 @@ services:
             - phpstan.broker.dynamicMethodReturnTypeExtension
 
     -
-        class: Larastan\Larastan\ReturnTypes\CollectionGenericStaticMethodDynamicMethodReturnTypeExtension
+        class: Larastan\Larastan\ReturnTypes\EnumerableGenericStaticMethodDynamicMethodReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
 
@@ -302,7 +314,7 @@ services:
             - phpstan.broker.dynamicMethodReturnTypeExtension
 
     -
-        class: Larastan\Larastan\ReturnTypes\CollectionGenericStaticMethodDynamicStaticMethodReturnTypeExtension
+        class: Larastan\Larastan\ReturnTypes\EnumerableGenericStaticMethodDynamicStaticMethodReturnTypeExtension
         tags:
             - phpstan.broker.dynamicStaticMethodReturnTypeExtension
 
@@ -348,6 +360,11 @@ services:
         tags:
             - phpstan.broker.dynamicFunctionReturnTypeExtension
 
+    -
+        class: Larastan\Larastan\ReturnTypes\Helpers\StrExtension
+        tags:
+            - phpstan.broker.dynamicFunctionReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\Helpers\TapExtension
         tags:
@@ -371,6 +388,9 @@ services:
     -
         class: Larastan\Larastan\Rules\OctaneCompatibilityRule
 
+    -
+        class: Larastan\Larastan\Rules\NoEnvCallsOutsideOfConfigRule
+
     -
         class: Larastan\Larastan\Rules\NoModelMakeRule
 
@@ -383,6 +403,9 @@ services:
     -
         class: Larastan\Larastan\Rules\ModelProperties\ModelPropertyRule
 
+    -
+        class: Larastan\Larastan\Rules\ModelAppendsRule
+
     -
         class: Larastan\Larastan\Rules\ModelProperties\ModelPropertyStaticCallRule
 
@@ -413,6 +436,7 @@ services:
             databaseMigrationPath: %databaseMigrationsPath%
             disableMigrationScan: %disableMigrationScan%
             parser: @currentPhpVersionSimpleDirectParser
+            reflectionProvider: @reflectionProvider
 
     -
         class: Larastan\Larastan\Properties\SquashedMigrationHelper
@@ -423,6 +447,9 @@ services:
     -
         class: Larastan\Larastan\Properties\ModelCastHelper
 
+    -
+        class: Larastan\Larastan\Properties\ModelPropertyHelper
+
     -
         class: Larastan\Larastan\Rules\ModelProperties\ModelPropertiesRuleHelper
 
@@ -451,11 +478,14 @@ services:
             dispatchableClass: Illuminate\Foundation\Events\Dispatchable
         tags:
             - phpstan.rules.rule
-    - Larastan\Larastan\Properties\Schema\PhpMyAdminDataTypeToPhpTypeConverter
+
+    -
+        class: Larastan\Larastan\Properties\Schema\PhpMyAdminDataTypeToPhpTypeConverter
 
     -
         class: Larastan\Larastan\LarastanStubFilesExtension
-        tags: [phpstan.stubFilesExtension]
+        tags:
+            - phpstan.stubFilesExtension
 
     -
         class: Larastan\Larastan\Rules\UnusedViewsRule
@@ -507,35 +537,48 @@ services:
         class: Larastan\Larastan\ReturnTypes\ConsoleCommand\ArgumentDynamicReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\ConsoleCommand\HasArgumentDynamicReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\ConsoleCommand\OptionDynamicReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\ConsoleCommand\HasOptionDynamicReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\TranslatorGetReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\TransHelperReturnTypeExtension
         tags:
             - phpstan.broker.dynamicFunctionReturnTypeExtension
+
     -
         class: Larastan\Larastan\ReturnTypes\DoubleUnderscoreHelperReturnTypeExtension
         tags:
             - phpstan.broker.dynamicFunctionReturnTypeExtension
 
-    - Larastan\Larastan\ReturnTypes\AppMakeHelper
-    - Larastan\Larastan\Internal\ConsoleApplicationResolver
-    - Larastan\Larastan\Internal\ConsoleApplicationHelper
-    - Larastan\Larastan\Support\HigherOrderCollectionProxyHelper
+    -
+        class: Larastan\Larastan\ReturnTypes\AppMakeHelper
+
+    -
+        class: Larastan\Larastan\Internal\ConsoleApplicationResolver
+
+    -
+        class: Larastan\Larastan\Internal\ConsoleApplicationHelper
+
+    -
+        class: Larastan\Larastan\Support\HigherOrderCollectionProxyHelper
 
 rules:
     - Larastan\Larastan\Rules\UselessConstructs\NoUselessWithFunctionCallsRule