diff --git a/index.php b/index.php
index 72d34bda395d6bcd55c871b237c67938f5120e26..123b97136730a14c7e154d4fbaa23665ff6e85df 100644
--- a/index.php
+++ b/index.php
@@ -26,7 +26,7 @@ if ($trustedHosts = $_SERVER['TRUSTED_HOSTS'] ?? $_ENV['TRUSTED_HOSTS'] ?? false
     Request::setTrustedHosts([$trustedHosts]);
 }
 
-$kernel = new Kernel('prod', false);
+$kernel = new Kernel('dev', true);
 $request = Request::createFromGlobals();
 $response = $kernel->handle($request);
 $response->send();
diff --git a/src/Controller/MainController.php b/src/Controller/MainController.php
index 5752177f9afad7b35361e44c065711c346e24ff8..505a2779d086b6a34cc4f916786aade4ac665e0d 100644
--- a/src/Controller/MainController.php
+++ b/src/Controller/MainController.php
@@ -48,7 +48,7 @@ class MainController extends AbstractController
 
     /**
      * @Route("/{category}", defaults={"_locale": "en"})
-     * @Route("/{_locale}/{category}", name="app_main_category_intl", requirements={"_locale": "%app.locales%"})
+     * @Route("/{_locale}/{category}", name="app_main_category_intl", requirements={"_locale": "%app.locales%", "category": "development|education|games|graphics|internet|multimedia|office|system|utilities|unmaintained"})
      * @param Request $request
      * @param string $_locale
      * @param string $category
@@ -82,33 +82,52 @@ class MainController extends AbstractController
     }
 
     /**
-     * @Route("/{category}/{application}", requirements={"_locale": "%app.locales%"}, defaults={"_locale": "en"})
-     * @Route("/{_locale}/{category}/{application}", name="app_main_application_intl", requirements={"_locale": "%app.locales%"})
+     * @Route("/{application}", requirements={"_locale": "%app.locales%"}, defaults={"_locale": "en"})
+     * @Route("/{_locale}/{application}", name="app_main_application_intl", requirements={"_locale": "%app.locales%"})
      * @param Request $request
      * @param string $_locale
      * @param string $category
      * @param string $application
      * @return Response
      */
-    public function application(Request $request, string $_locale, string $category, string $application): Response
+    public function application(Request $request, string $_locale, string $application): Response
     {
         if ($request->query->get('site_locale')) {
-            return $this->redirectToRoute('app_main_application_intl', ['_locale' => $request->query->get('site_locale'), 'category' => $category, 'application' => $application]);
+            return $this->redirectToRoute('app_main_application_intl', [
+                '_locale' => $request->query->get('site_locale'),
+                'application' => $application,
+            ]);
         }
 
-        $applicationObj = AppData::fromName($application);
+        if (startsWith($application, 'org.kde')) {
+            return $this->redirectToRoute('app_main_application_intl', [
+                '_locale' => $_locale,
+                'application' => substr($application, 8),
+            ]);
+        } 
+
+        $applicationObj = AppData::fromName('org.kde.' . $application);
 
-        if (!($applicationObj || startsWith($application, 'org'))) {
-            return $this->redirectToRoute('app_main_application_intl', ['_locale' => $_locale, 'category' => $category, 'application' => 'org.kde.' . $application]);
-        } else if (!$applicationObj) {
+        if (!$applicationObj) {
             throw $this->createNotFoundException('The product does not exist');
         }
 
         return $this->render('main/application.html.twig', [
             'application' => $applicationObj,
-            'category' => $category,
             'locale' => $_locale,
             'translations' => $this->getParameter('app.translations'),
         ]);
     }
+
+    /**
+     * @Route("/{category}/{application}", requirements={"_locale": "%app.locales%"}, defaults={"_locale": "en"})
+     * @Route("/{_locale}/{category}/{application}", name="riuehiiuhiu", requirements={"_locale": "%app.locales%"})
+     */
+    public function redirectOldCategory(Request $request, string $_locale, string $category, string $application): Response
+    {
+        return $this->redirectToRoute('app_main_application_intl', [
+            '_locale' => $_locale,
+            'application' => $application,
+        ]);
+    }
 }
diff --git a/templates/category.html.twig b/templates/category.html.twig
index 5f9c80f9f2952a27ceafd8483bd1d00e96e9676a..7027d8b8944cea0a5d1e4594bc62c412794498b5 100644
--- a/templates/category.html.twig
+++ b/templates/category.html.twig
@@ -31,13 +31,13 @@ SPDX-License-Identifier: AGPL-3.0-or-later
         <div class="app text-center col-12 col-sm-6 col-md-4 col-lg-3 p-2">
           <div class="p-3 h-100">
             <div aria-hidden="true">
-              <a href="{{ path('app_main_application_intl', {'_locale': locale, 'category': category.name | lower, 'application' : application.id }) }}">
+              <a href="{{ path('app_main_application_intl', {'_locale': locale, 'application' : application.simplifiedId }) }}">
                 <img width="48" height="48" src="{{ asset('icons/' ~ application.icon) }}"
                      loading="lazy"
                      alt="{{ application.name | l10n(locale) }}" title="{{ application.name | l10n(locale) }}"/>
               </a>
             </div>
-            <a href="{{ path('app_main_application_intl', {'_locale': locale, 'category': category.name | lower, 'application' : application.id }) }}">
+            <a href="{{ path('app_main_application_intl', {'_locale': locale, 'application' : application.simplifiedId }) }}">
               {{ application.name | l10n(locale) }}
             </a>
             <p>{{ application.genericName | l10n(locale) }}</p>
@@ -53,12 +53,12 @@ SPDX-License-Identifier: AGPL-3.0-or-later
           <div class="app text-center col-12 col-sm-6 col-md-4 col-lg-3 p-2">
             <div class="p-3 h-100">
               <div aria-hidden="true">
-                <a href="{{ path('app_main_application_intl', {'_locale': locale, 'category': category.name | lower, 'application' : application.id }) }}">
+                <a href="{{ path('app_main_application_intl', {'_locale': locale, 'application' : application.simplifiedId }) }}">
                   <img width="48" height="48" src="{{ asset('icons/' ~ application.icon) }}"
                        alt="{{ application.name | l10n(locale) }}" title="{{ application.name | l10n(locale) }}"/>
                 </a>
               </div>
-              <a href="{{ path('app_main_application_intl', {'_locale': locale, 'category': category.name | lower, 'application' : application.id }) }}">
+              <a href="{{ path('app_main_application_intl', {'_locale': locale, 'category': category.name | lower, 'application' : application.simplifiedId }) }}">
                 {{ application.name | l10n(locale) }}
               </a>
               <p>{{ application.genericName | l10n(locale) }}</p>
diff --git a/templates/main/application.html.twig b/templates/main/application.html.twig
index f734d9c2c88e7b867f72a7c6e51fdbadc642a57e..a47d5b3af9afc432d62758d65ad4adf960834d97 100644
--- a/templates/main/application.html.twig
+++ b/templates/main/application.html.twig
@@ -11,13 +11,13 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 {% block title %}{{ name }}{% endblock %}
 {% block description %}{{ application.summary | l10n(locale) }}{% endblock %}
 {% block image %}{% if application.screenshots | length > 0 %}{{ application.screenshots[0].sourceImage }}{% else %}https://kde.org/products/apps.png{% endif %}{% endblock %}
-{% block canonical %}https://kde.org{{ path('app_main_application_intl', {'_locale': locale, 'category': category, 'application': application.id}) }}{% endblock %}
+{% block canonical %}https://kde.org{{ path('app_main_application_intl', {'_locale': locale, 'application': application.simplifiedId}) }}{% endblock %}
 {% block donation %}#{{ name }}{% endblock %}
 
 {% block hreflang %}
-  <link rel="alternate" href="https://kde.org{{ path('app_main_application_intl', {'_locale': 'en', 'category': category | lower, 'application' : application.id }) }}" hreflang="en" />
+  <link rel="alternate" href="https://kde.org{{ path('app_main_application_intl', {'_locale': 'en', 'application' : application.simplifiedId }) }}" hreflang="en" />
   {% for translation in translations %}
-    <link rel="alternate" href="https://kde.org{{ path('app_main_application_intl', {'_locale': translation, 'category': category, 'application' : application.id }) }}" hreflang="{{ translation }}" />
+    <link rel="alternate" href="https://kde.org{{ path('app_main_application_intl', {'_locale': translation, 'application' : application.simplifiedId }) }}" hreflang="{{ translation }}" />
   {% endfor %}
 {% endblock %}
 
@@ -37,7 +37,7 @@ SPDX-License-Identifier: AGPL-3.0-or-later
             <a href="{{ path('app_main_index', {'_locale': locale}) }}">{% trans %}KDE's Applications{% endtrans %}</a>
             {{ name }}
           </h1>
-          <a href="{{ path('app_main_category_intl', {'_locale': locale, 'category': category}) }}">
+          <a href="{{ path('app_main_category_intl', {'_locale': locale, 'category': application.primaryCategory | lower }) }}">
             {{ application.primaryCategory | trans }}
           </a>
         </div>
@@ -171,7 +171,7 @@ AppStream application stores. You can also use your distribution's package manag
             <h2 class="mb-0">{% trans %}Releases{% endtrans %}</h2>
           {% endif %}
           {% for release in application.releases %}
-            <details class="release mb-5" {% if loop.first %}open="true"{% endif %}>
+            <details class="release" {% if loop.first %}open="true"{% endif %}>
               <summary class="mt-1 h5">{{ release.version }} <small class="text-muted">{{ release.timestamp | format_date('long', locale=locale) }}</small></summary>
 
               {% if release.description %}