diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74aa3c8bf..4587a4bd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to `twill` will be documented in this file.
 
+## 3.4.1
+
+### Improved
+
+- Allow media and file library disk configuration using an environement variable by [@antonioribeiro](https://github.com/antonioribeiro) in https://github.com/area17/twill/pull/2676
+
+### Fixed
+
+- Fix #2671: 3.4.0 regression on related browsers previews by [@Tofandel](https://github.com/Tofandel) in https://github.com/area17/twill/pull/2672
+- Fix #2674: 3.4.0 regression on relation column using a one-to-one relationship by [@Tofandel](https://github.com/Tofandel) in https://github.com/area17/twill/pull/2675
+
 ## 3.4.0
 
 ### Added
diff --git a/config/file_library.php b/config/file_library.php
index 8f700a4c8..a9b025fca 100644
--- a/config/file_library.php
+++ b/config/file_library.php
@@ -18,7 +18,7 @@
     | - 'A17\Twill\Services\FileLibrary\Disk'
     |
      */
-    'disk' => 'twill_file_library',
+    'disk' => env('FILE_LIBRARY_DISK', 'twill_file_library'),
     'endpoint_type' => env('FILE_LIBRARY_ENDPOINT_TYPE', 'local'),
     'cascade_delete' => env('FILE_LIBRARY_CASCADE_DELETE', false),
     'local_path' => env('FILE_LIBRARY_LOCAL_PATH', 'uploads'),
diff --git a/config/media_library.php b/config/media_library.php
index 1211a4441..9ec3d2506 100644
--- a/config/media_library.php
+++ b/config/media_library.php
@@ -20,7 +20,7 @@
     | - 'A17\Twill\Services\MediaLibrary\Local'
     |
      */
-    'disk' => 'twill_media_library',
+    'disk' => env('MEDIA_LIBRARY_DISK', 'twill_media_library'),
     'endpoint_type' => env('MEDIA_LIBRARY_ENDPOINT_TYPE', 'local'),
     'cascade_delete' => env('MEDIA_LIBRARY_CASCADE_DELETE', false),
     'local_path' => env('MEDIA_LIBRARY_LOCAL_PATH', 'uploads'),
diff --git a/package-lock.json b/package-lock.json
index 3e45a56fe..0dff252bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@area17/twill",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@area17/twill",
-      "version": "3.4.0",
+      "version": "3.4.1",
       "dependencies": {
         "@alpinejs/mask": "^3.13.5",
         "@tiptap/extension-hard-break": "^2.2.1",
diff --git a/package.json b/package.json
index a557f4ad0..b702ed5fe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@area17/twill",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "private": true,
   "scripts": {
     "inspect": "vue-cli-service inspect --mode production",
diff --git a/src/Repositories/Behaviors/HandleRevisions.php b/src/Repositories/Behaviors/HandleRevisions.php
index c8a9cbd5e..bb1bef427 100644
--- a/src/Repositories/Behaviors/HandleRevisions.php
+++ b/src/Repositories/Behaviors/HandleRevisions.php
@@ -157,11 +157,9 @@ public function hydrateRelatedBrowsers(TwillModelContract $object, array $fields
 
         foreach ($relatedBrowsers as $browser) {
             $browserField = $fields['browsers'][$browser['browserName']] ?? [];
-
+            $position = 1;
             foreach ($browserField as $values) {
-                $position = 1;
-
-                $relatedBrowserItems->push(RelatedItem::make([
+                $relatedBrowserItems->push(new RelatedItem([
                     'subject_id' => $object->getKey(),
                     'subject_type' => $object->getMorphClass(),
                     'related_id' => $values['id'],
diff --git a/src/Repositories/BlockRepository.php b/src/Repositories/BlockRepository.php
index ed721d7f7..86dc0ac8a 100644
--- a/src/Repositories/BlockRepository.php
+++ b/src/Repositories/BlockRepository.php
@@ -5,14 +5,12 @@
 use A17\Twill\Facades\TwillBlocks;
 use A17\Twill\Models\Block;
 use A17\Twill\Models\Contracts\TwillModelContract;
+use A17\Twill\Models\RelatedItem;
 use A17\Twill\Repositories\Behaviors\HandleFiles;
 use A17\Twill\Repositories\Behaviors\HandleMedias;
 use A17\Twill\Services\Blocks\Block as BlockConfig;
 use Illuminate\Config\Repository as Config;
 use Illuminate\Support\Collection;
-use Illuminate\Support\Facades\Log;
-use Illuminate\Support\Facades\Schema;
-use ReflectionException;
 
 class BlockRepository extends ModuleRepository
 {
@@ -35,42 +33,36 @@ public function getCrops(string $role): array
 
     public function hydrate(TwillModelContract $model, array $fields): TwillModelContract
     {
-        if (Schema::hasTable(config('twill.related_table', 'twill_related'))) {
-            $relatedItems = Collection::make();
-
-            Collection::make($fields['browsers'])->each(function ($items, $browserName) use (&$relatedItems) {
-                Collection::make($items)->each(function ($item) use ($browserName, &$relatedItems) {
-                    try {
-                        // @todo: Repository could be null.
-                        $repository = $this->getModelRepository($item['endpointType'] ?? $browserName);
-                        $relatedItems->push(
-                            (object) [
-                                'related' => $repository->getById($item['id']),
-                                'browser_name' => $browserName,
-                            ]
-                        );
-                    } catch (ReflectionException $reflectionException) {
-                        Log::error($reflectionException);
-                    }
-                });
-            });
-
-            $model->setRelation('relatedItems', $relatedItems);
-        }
+        $relatedItems = collect($fields['browsers'])
+            ->flatMap(fn($items, $browserName) => collect($items)
+                ->map(fn($item, $position) => new RelatedItem([
+                    'subject_id' => $model->getKey(),
+                    'subject_type' => $model->getMorphClass(),
+                    'related_id' => $item['id'],
+                    'related_type' => $item['endpointType'],
+                    'browser_name' => $browserName,
+                    'position' => $position,
+                ])));
+
+        $model->setRelation('relatedItems', $relatedItems);
+        $model->loadMissing('relatedItems.related');
 
         return parent::hydrate($model, $fields);
     }
 
+    /** @param Block $model */
     public function afterSave(TwillModelContract $model, array $fields): void
     {
-        if (Schema::hasTable(config('twill.related_table', 'twill_related'))) {
+        if (!empty($fields['browsers'])) {
+            $browserNames = collect($fields['browsers'])->each(function ($items, $browserName) use ($model) {
+                // This will create items or delete them if they are missing
+                $model->saveRelated($items, $browserName);
+            })->keys();
+
+            // Delete all the related items that were emptied
+            RelatedItem::query()->whereMorphedTo('subject', $model)->whereNotIn('browser_name', $browserNames)->delete();
+        } else {
             $model->clearAllRelated();
-
-            if (isset($fields['browsers'])) {
-                Collection::make($fields['browsers'])->each(function ($items, $browserName) use ($model) {
-                    $model->saveRelated($items, $browserName);
-                });
-            }
         }
 
         parent::afterSave($model, $fields);
@@ -82,9 +74,7 @@ public function afterDelete(TwillModelContract $object): void
         $object->medias()->detach();
         $object->files()->detach();
 
-        if (Schema::hasTable(config('twill.related_table', 'twill_related'))) {
-            $object->clearAllRelated();
-        }
+        $object->clearAllRelated();
     }
 
     public function buildFromCmsArray(array $block, bool $repeater = false): array
diff --git a/src/Services/Listings/Columns/Relation.php b/src/Services/Listings/Columns/Relation.php
index 686f7af21..9c6c05ec7 100644
--- a/src/Services/Listings/Columns/Relation.php
+++ b/src/Services/Listings/Columns/Relation.php
@@ -46,7 +46,7 @@ protected function getRenderValue(TwillModelContract $model): string
 
         /** @var \Illuminate\Database\Eloquent\Collection $relation */
         $model->loadMissing($this->relation);
-        $relation = $model->getRelation($this->relation);
+        $relation = collect($model->getRelation($this->relation));
 
         return $relation->pluck($this->field)->join(', ');
     }
diff --git a/src/TwillServiceProvider.php b/src/TwillServiceProvider.php
index 56fcd0570..2b67a9cf6 100644
--- a/src/TwillServiceProvider.php
+++ b/src/TwillServiceProvider.php
@@ -65,7 +65,7 @@ class TwillServiceProvider extends ServiceProvider
      *
      * @var string
      */
-    public const VERSION = '3.4.0';
+    public const VERSION = '3.4.1';
 
     /**
      * Service providers to be registered.