diff --git a/framework/core/composer.json b/framework/core/composer.json
index 3ea49ccd3..2732f8dc9 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -41,21 +41,21 @@
         "dflydev/fig-cookies": "^2.0.1",
         "doctrine/dbal": "^2.7",
         "franzl/whoops-middleware": "^0.4.0",
-        "illuminate/bus": "5.8.*",
-        "illuminate/cache": "5.8.*",
-        "illuminate/config": "5.8.*",
-        "illuminate/container": "5.8.*",
-        "illuminate/contracts": "5.8.*",
-        "illuminate/database": "5.8.*",
-        "illuminate/events": "5.8.*",
-        "illuminate/filesystem": "5.8.*",
-        "illuminate/hashing": "5.8.*",
-        "illuminate/mail": "5.8.*",
-        "illuminate/queue": "5.8.*",
-        "illuminate/session": "5.8.*",
-        "illuminate/support": "5.8.*",
-        "illuminate/validation": "5.8.*",
-        "illuminate/view": "5.8.*",
+        "illuminate/bus": "^6.0",
+        "illuminate/cache": "^6.0",
+        "illuminate/config": "^6.0",
+        "illuminate/container": "^6.0",
+        "illuminate/contracts": "^6.0",
+        "illuminate/database": "^6.0",
+        "illuminate/events": "^6.0",
+        "illuminate/filesystem": "^6.0",
+        "illuminate/hashing": "^6.0",
+        "illuminate/mail": "^6.0",
+        "illuminate/queue": "^6.0",
+        "illuminate/session": "^6.0",
+        "illuminate/support": "^6.0",
+        "illuminate/validation": "^6.0",
+        "illuminate/view": "^6.0",
         "intervention/image": "^2.5.0",
         "laminas/laminas-diactoros": "^1.8.4",
         "laminas/laminas-httphandlerrunner": "^1.0",
diff --git a/framework/core/src/Extension/Extension.php b/framework/core/src/Extension/Extension.php
index 6ae5947f6..3707bfae0 100644
--- a/framework/core/src/Extension/Extension.php
+++ b/framework/core/src/Extension/Extension.php
@@ -267,7 +267,7 @@ class Extension implements Arrayable
             $extenders = [$extenders];
         }
 
-        return array_flatten($extenders);
+        return Arr::flatten($extenders);
     }
 
     /**
diff --git a/framework/core/src/Forum/Content/Index.php b/framework/core/src/Forum/Content/Index.php
index 1593ac147..2f0d506e0 100644
--- a/framework/core/src/Forum/Content/Index.php
+++ b/framework/core/src/Forum/Content/Index.php
@@ -15,10 +15,10 @@ use Flarum\Frontend\Document;
 use Flarum\Http\UrlGenerator;
 use Flarum\Settings\SettingsRepositoryInterface;
 use Flarum\User\User;
-use Illuminate\Contracts\Translation\Translator;
 use Illuminate\Contracts\View\Factory;
 use Illuminate\Support\Arr;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Symfony\Component\Translation\TranslatorInterface;
 
 class Index
 {
@@ -42,14 +42,19 @@ class Index
      */
     protected $url;
 
+    /**
+     * @var TranslatorInterface
+     */
+    protected $translator;
+
     /**
      * @param Client $api
      * @param Factory $view
      * @param SettingsRepositoryInterface $settings
      * @param UrlGenerator $url
-     * @param Translator $translator
+     * @param TranslatorInterface $translator
      */
-    public function __construct(Client $api, Factory $view, SettingsRepositoryInterface $settings, UrlGenerator $url, Translator $translator)
+    public function __construct(Client $api, Factory $view, SettingsRepositoryInterface $settings, UrlGenerator $url, TranslatorInterface $translator)
     {
         $this->api = $api;
         $this->view = $view;
diff --git a/framework/core/src/Foundation/Site.php b/framework/core/src/Foundation/Site.php
index 13b715b2c..54dfcb7e1 100644
--- a/framework/core/src/Foundation/Site.php
+++ b/framework/core/src/Foundation/Site.php
@@ -9,6 +9,7 @@
 
 namespace Flarum\Foundation;
 
+use Illuminate\Support\Arr;
 use RuntimeException;
 
 class Site
@@ -62,6 +63,6 @@ class Site
             return [];
         }
 
-        return array_flatten($extenders);
+        return Arr::flatten($extenders);
     }
 }
diff --git a/framework/core/src/Frontend/Content/Assets.php b/framework/core/src/Frontend/Content/Assets.php
index e160adb34..50681f876 100644
--- a/framework/core/src/Frontend/Content/Assets.php
+++ b/framework/core/src/Frontend/Content/Assets.php
@@ -13,6 +13,7 @@ use Flarum\Foundation\Application;
 use Flarum\Frontend\Compiler\CompilerInterface;
 use Flarum\Frontend\Document;
 use Illuminate\Contracts\Container\Container;
+use Illuminate\Support\Arr;
 use Psr\Http\Message\ServerRequestInterface as Request;
 
 class Assets
@@ -48,7 +49,7 @@ class Assets
         ];
 
         if ($this->app->inDebugMode()) {
-            $this->commit(array_flatten($compilers));
+            $this->commit(Arr::flatten($compilers));
         }
 
         $document->js = array_merge($document->js, $this->getUrls($compilers['js']));
diff --git a/framework/core/src/Locale/Translator.php b/framework/core/src/Locale/Translator.php
index 90bce7e06..369924b8a 100644
--- a/framework/core/src/Locale/Translator.php
+++ b/framework/core/src/Locale/Translator.php
@@ -17,6 +17,16 @@ class Translator extends BaseTranslator implements TranslatorContract
 {
     const REFERENCE_REGEX = '/^=>\s*([a-z0-9_\-\.]+)$/i';
 
+    public function get($key, array $replace = [], $locale = null)
+    {
+        return $this->trans($key, $replace, null, $locale);
+    }
+
+    public function choice($key, $number, array $replace = [], $locale = null)
+    {
+        return $this->transChoice($key, $number, $replace, nil, $locale);
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/framework/core/src/User/AccountActivationMailer.php b/framework/core/src/User/AccountActivationMailer.php
index a07f3e6de..883b170d6 100644
--- a/framework/core/src/User/AccountActivationMailer.php
+++ b/framework/core/src/User/AccountActivationMailer.php
@@ -14,7 +14,7 @@ use Flarum\Mail\Job\SendRawEmailJob;
 use Flarum\Settings\SettingsRepositoryInterface;
 use Flarum\User\Event\Registered;
 use Illuminate\Contracts\Queue\Queue;
-use Illuminate\Contracts\Translation\Translator;
+use Symfony\Component\Translation\TranslatorInterface;
 
 class AccountActivationMailer
 {
@@ -34,7 +34,7 @@ class AccountActivationMailer
     protected $url;
 
     /**
-     * @var Translator
+     * @var TranslatorInterface
      */
     protected $translator;
 
@@ -42,9 +42,9 @@ class AccountActivationMailer
      * @param \Flarum\Settings\SettingsRepositoryInterface $settings
      * @param Queue $queue
      * @param UrlGenerator $url
-     * @param Translator $translator
+     * @param TranslatorInterface $translator
      */
-    public function __construct(SettingsRepositoryInterface $settings, Queue $queue, UrlGenerator $url, Translator $translator)
+    public function __construct(SettingsRepositoryInterface $settings, Queue $queue, UrlGenerator $url, TranslatorInterface $translator)
     {
         $this->settings = $settings;
         $this->queue = $queue;
diff --git a/framework/core/src/User/Command/RequestPasswordResetHandler.php b/framework/core/src/User/Command/RequestPasswordResetHandler.php
index b18e927cc..9dc7d726a 100644
--- a/framework/core/src/User/Command/RequestPasswordResetHandler.php
+++ b/framework/core/src/User/Command/RequestPasswordResetHandler.php
@@ -15,10 +15,10 @@ use Flarum\Settings\SettingsRepositoryInterface;
 use Flarum\User\PasswordToken;
 use Flarum\User\UserRepository;
 use Illuminate\Contracts\Queue\Queue;
-use Illuminate\Contracts\Translation\Translator;
 use Illuminate\Contracts\Validation\Factory;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Validation\ValidationException;
+use Symfony\Component\Translation\TranslatorInterface;
 
 class RequestPasswordResetHandler
 {
@@ -43,7 +43,7 @@ class RequestPasswordResetHandler
     protected $url;
 
     /**
-     * @var Translator
+     * @var TranslatorInterface
      */
     protected $translator;
 
@@ -57,7 +57,7 @@ class RequestPasswordResetHandler
      * @param SettingsRepositoryInterface $settings
      * @param Queue $queue
      * @param UrlGenerator $url
-     * @param Translator $translator
+     * @param TranslatorInterface $translator
      * @param Factory $validatorFactory
      */
     public function __construct(
@@ -65,7 +65,7 @@ class RequestPasswordResetHandler
         SettingsRepositoryInterface $settings,
         Queue $queue,
         UrlGenerator $url,
-        Translator $translator,
+        TranslatorInterface $translator,
         Factory $validatorFactory
     ) {
         $this->users = $users;
diff --git a/framework/core/src/User/EmailConfirmationMailer.php b/framework/core/src/User/EmailConfirmationMailer.php
index 5d35b95ed..1a052f974 100644
--- a/framework/core/src/User/EmailConfirmationMailer.php
+++ b/framework/core/src/User/EmailConfirmationMailer.php
@@ -14,7 +14,7 @@ use Flarum\Mail\Job\SendRawEmailJob;
 use Flarum\Settings\SettingsRepositoryInterface;
 use Flarum\User\Event\EmailChangeRequested;
 use Illuminate\Contracts\Queue\Queue;
-use Illuminate\Contracts\Translation\Translator;
+use Symfony\Component\Translation\TranslatorInterface;
 
 class EmailConfirmationMailer
 {
@@ -34,11 +34,11 @@ class EmailConfirmationMailer
     protected $url;
 
     /**
-     * @var Translator
+     * @var TranslatorInterface
      */
     protected $translator;
 
-    public function __construct(SettingsRepositoryInterface $settings, Queue $queue, UrlGenerator $url, Translator $translator)
+    public function __construct(SettingsRepositoryInterface $settings, Queue $queue, UrlGenerator $url, TranslatorInterface $translator)
     {
         $this->settings = $settings;
         $this->queue = $queue;
diff --git a/framework/core/views/frontend/admin.blade.php b/framework/core/views/frontend/admin.blade.php
index 2efce2af5..38e29fb81 100644
--- a/framework/core/views/frontend/admin.blade.php
+++ b/framework/core/views/frontend/admin.blade.php
@@ -8,12 +8,11 @@
             <div id="header-navigation" class="Header-navigation"></div>
             <div class="container">
                 <h1 class="Header-title">
-                    <a href="{{ array_get($forum, 'baseUrl') }}">
-                        <?php $title = array_get($forum, 'title'); ?>
-                        @if ($logo = array_get($forum, 'logoUrl'))
-                            <img src="{{ $logo }}" alt="{{ $title }}" class="Header-logo">
+                    <a href="{{ $forum['baseUrl'] }}">
+                        @if ($forum['logoUrl'])
+                            <img src="{{ $forum['logoUrl'] }}" alt="{{ $forum['title'] }}" class="Header-logo">
                         @else
-                            {{ $title }}
+                            {{ $forum['title'] }}
                         @endif
                     </a>
                 </h1>
diff --git a/framework/core/views/frontend/forum.blade.php b/framework/core/views/frontend/forum.blade.php
index 01c0c7261..c6de4f301 100644
--- a/framework/core/views/frontend/forum.blade.php
+++ b/framework/core/views/frontend/forum.blade.php
@@ -1,4 +1,4 @@
-{!! array_get($forum, 'headerHtml') !!}
+{!! $forum['headerHtml'] !!}
 
 <div id="app" class="App">
 
@@ -10,11 +10,11 @@
             <div id="header-navigation" class="Header-navigation"></div>
             <div class="container">
                 <h1 class="Header-title">
-                    <a href="{{ array_get($forum, 'baseUrl') }}" id="home-link">
-                        @if ($logo = array_get($forum, 'logoUrl'))
-                            <img src="{{ $logo }}" alt="{{ array_get($forum, 'title') }}" class="Header-logo">
+                    <a href="{{ $forum['baseUrl'] }}" id="home-link">
+                        @if ($forum['logoUrl'])
+                            <img src="{{ $forum['logoUrl'] }}" alt="{{ $forum['title'] }}" class="Header-logo">
                         @else
-                            {{ array_get($forum, 'title') }}
+                            {{ $forum['title'] }}
                         @endif
                     </a>
                 </h1>
@@ -39,4 +39,4 @@
 
 </div>
 
-{!! array_get($forum, 'footerHtml') !!}
+{!! $forum['footerHtml'] !!}