diff --git a/VERSION.txt b/VERSION.txt
index b262615750..62f9457511 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.5.15
\ No newline at end of file
+6
\ No newline at end of file
diff --git a/app/Http/Controllers/ClientPortal/CreditController.php b/app/Http/Controllers/ClientPortal/CreditController.php
index 9b6ee3fefe..c49606ae70 100644
--- a/app/Http/Controllers/ClientPortal/CreditController.php
+++ b/app/Http/Controllers/ClientPortal/CreditController.php
@@ -35,6 +35,7 @@ class CreditController extends Controller
         $data = [
             'credit' => $credit,
             'key' => $invitation ? $invitation->key : false,
+            'invitation' => $invitation
         ];
 
         if ($invitation && auth()->guard('contact') && ! request()->has('silent') && ! $invitation->viewed_date) {
diff --git a/app/Http/Controllers/ClientPortal/InvoiceController.php b/app/Http/Controllers/ClientPortal/InvoiceController.php
index b5f42beb07..2270a5f835 100644
--- a/app/Http/Controllers/ClientPortal/InvoiceController.php
+++ b/app/Http/Controllers/ClientPortal/InvoiceController.php
@@ -69,6 +69,7 @@ class InvoiceController extends Controller
 
         $data = [
             'invoice' => $invoice,
+            'invitation' => $invitation,
             'key' => $invitation ? $invitation->key : false,
         ];
 
diff --git a/app/Http/Controllers/ClientPortal/QuoteController.php b/app/Http/Controllers/ClientPortal/QuoteController.php
index 8cf4d3d9a0..ccaa48f98e 100644
--- a/app/Http/Controllers/ClientPortal/QuoteController.php
+++ b/app/Http/Controllers/ClientPortal/QuoteController.php
@@ -61,6 +61,7 @@ class QuoteController extends Controller
         $data = [
             'quote' => $quote,
             'key' => $invitation ? $invitation->key : false,
+            'invitation' => $invitation
         ];
 
         if ($invitation && auth()->guard('contact') && ! request()->has('silent') && ! $invitation->viewed_date) {
diff --git a/app/Http/Controllers/VendorPortal/PurchaseOrderController.php b/app/Http/Controllers/VendorPortal/PurchaseOrderController.php
index a0361a6a09..ba2524bf08 100644
--- a/app/Http/Controllers/VendorPortal/PurchaseOrderController.php
+++ b/app/Http/Controllers/VendorPortal/PurchaseOrderController.php
@@ -99,6 +99,7 @@ class PurchaseOrderController extends Controller
             'settings' => $purchase_order->company->settings,
             'sidebar' => $this->sidebarMenu(),
             'company' => $purchase_order->company,
+            'invitation' => $invitation
         ];
 
         if ($request->query('mode') === 'fullscreen') {
diff --git a/app/Http/Livewire/QuotesTable.php b/app/Http/Livewire/QuotesTable.php
index a82f728982..4600a0f7a9 100644
--- a/app/Http/Livewire/QuotesTable.php
+++ b/app/Http/Livewire/QuotesTable.php
@@ -28,17 +28,17 @@ class QuotesTable extends Component
 
     public $company;
 
-    public $sort_field = 'status_id'; // Default sortBy. Feel free to change or pull from client/company settings.
+    public $sort = 'status_id'; // Default sortBy. Feel free to change or pull from client/company settings.
 
     public $sort_asc = true;
 
     public function sortBy($field)
     {
-        $this->sort_field === $field
+        $this->sort === $field
             ? $this->sort_asc = ! $this->sort_asc
             : $this->sort_asc = true;
 
-        $this->sort_field = $field;
+        $this->sort = $field;
     }
 
     public function mount()
@@ -51,7 +51,7 @@ class QuotesTable extends Component
 
         $query = Quote::query()
             ->with('client.gateway_tokens', 'company', 'client.contacts')
-            ->orderBy($this->sort_field, $this->sort_asc ? 'asc' : 'desc');
+            ->orderBy($this->sort, $this->sort_asc ? 'asc' : 'desc');
 
         if (count($this->status) > 0) {
 
diff --git a/config/ninja.php b/config/ninja.php
index 6bacd49a47..d0593cbac9 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -14,8 +14,8 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', 'invoicing.co'),
-    'app_version' => '5.5.15',
-    'app_tag' => '5.5.15',
+    'app_version' => '5.5.16',
+    'app_tag' => '5.5.16',
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', ''),
diff --git a/resources/views/portal/ninja2020/components/pdf-viewer.blade.php b/resources/views/portal/ninja2020/components/pdf-viewer.blade.php
index ef1bcef4ec..9ef7d22ba5 100644
--- a/resources/views/portal/ninja2020/components/pdf-viewer.blade.php
+++ b/resources/views/portal/ninja2020/components/pdf-viewer.blade.php
@@ -3,7 +3,7 @@
 @endphp
 
 @push('head')
-    <meta name="pdf-url" content="{{ $url ?? $entity->pdf_file_path(null, 'url', true) }}?cache_buster={{time()}}">
+    <meta name="pdf-url" content="{{ $url ?? $entity->pdf_file_path($invitation, 'url', true) }}?cache_buster={{time()}}">
     <script src="{{ asset('js/vendor/pdf.js/pdf.min.js') }}"></script>
 @endpush
 
@@ -86,7 +86,7 @@
         <canvas id="pdf-placeholder" class="shadow rounded-lg bg-white"></canvas>
     </div>
 @else
-    <iframe id="pdf-iframe" src="{{ $url ?? $entity->pdf_file_path(null, 'url', true) }}?cache_buster={{time()}}" class="h-screen w-full border-0 mt-4"></iframe>
+    <iframe id="pdf-iframe" src="{{ $url ?? $entity->pdf_file_path($invitation, 'url', true) }}?cache_buster={{time()}}" class="h-screen w-full border-0 mt-4"></iframe>
 @endif
 
 
diff --git a/resources/views/portal/ninja2020/credits/show.blade.php b/resources/views/portal/ninja2020/credits/show.blade.php
index 0504dce30d..0d802adc7d 100644
--- a/resources/views/portal/ninja2020/credits/show.blade.php
+++ b/resources/views/portal/ninja2020/credits/show.blade.php
@@ -33,7 +33,7 @@
 
     @include('portal.ninja2020.components.entity-documents', ['entity' => $credit])
 
-    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $credit])
+    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $credit, 'invitation' => $invitation])
 
     
 @endsection
diff --git a/resources/views/portal/ninja2020/invoices/show-fullscreen.blade.php b/resources/views/portal/ninja2020/invoices/show-fullscreen.blade.php
index f08c3dcff5..d15cebda83 100644
--- a/resources/views/portal/ninja2020/invoices/show-fullscreen.blade.php
+++ b/resources/views/portal/ninja2020/invoices/show-fullscreen.blade.php
@@ -1,2 +1,2 @@
-<iframe src="{{ $invoice->pdf_file_path(null, 'url', true) }}"
+<iframe src="{{ $invoice->pdf_file_path($invitation, 'url', true) }}"
         style="position:fixed; top:0; left:0; bottom:0; right:0; width:100%; height:100%; border:none; margin:0; padding:0; overflow:hidden; z-index:999999;"></iframe>
diff --git a/resources/views/portal/ninja2020/invoices/show.blade.php b/resources/views/portal/ninja2020/invoices/show.blade.php
index 168c6f092a..6fb066a2ee 100644
--- a/resources/views/portal/ninja2020/invoices/show.blade.php
+++ b/resources/views/portal/ninja2020/invoices/show.blade.php
@@ -96,7 +96,7 @@
     @endif
 
     @include('portal.ninja2020.components.entity-documents', ['entity' => $invoice])
-    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $invoice])
+    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $invoice, 'invitation' => $invitation])
     @include('portal.ninja2020.invoices.includes.terms', ['entities' => [$invoice], 'entity_type' => ctrans('texts.invoice')])
     @include('portal.ninja2020.invoices.includes.signature')
 @endsection
diff --git a/resources/views/portal/ninja2020/purchase_orders/show.blade.php b/resources/views/portal/ninja2020/purchase_orders/show.blade.php
index 3f9ad02d97..c95648b5d8 100644
--- a/resources/views/portal/ninja2020/purchase_orders/show.blade.php
+++ b/resources/views/portal/ninja2020/purchase_orders/show.blade.php
@@ -46,7 +46,7 @@
     @endif
 
     @include('portal.ninja2020.components.entity-documents', ['entity' => $purchase_order])
-    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $purchase_order])
+    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $purchase_order, 'invitation' => $invitation])
     @include('portal.ninja2020.invoices.includes.terms', ['entities' => [$purchase_order], 'entity_type' => ctrans('texts.purchase_order')])
     @include('portal.ninja2020.invoices.includes.signature')
 @endsection
diff --git a/resources/views/portal/ninja2020/quotes/show.blade.php b/resources/views/portal/ninja2020/quotes/show.blade.php
index 9e54707f0a..fe80c8c602 100644
--- a/resources/views/portal/ninja2020/quotes/show.blade.php
+++ b/resources/views/portal/ninja2020/quotes/show.blade.php
@@ -105,7 +105,7 @@
     @endif
 
     @include('portal.ninja2020.components.entity-documents', ['entity' => $quote])
-    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $quote])
+    @include('portal.ninja2020.components.pdf-viewer', ['entity' => $quote, 'invitation' => $invitation])
     @include('portal.ninja2020.invoices.includes.terms', ['entities' => [$quote], 'entity_type' => ctrans('texts.quote')])
     @include('portal.ninja2020.invoices.includes.signature')
 @endsection