- laravel framework upgrade frpm 7.x to 8. see also: https://laravel.com/docs/8.x/upgrade#assert-exact-json-method

- use  PHP7 null coalesce operator instead of laravel optional method
- change Breadcrumbs::register method to Bredcrumbs::for method
- composer updates

app/Http/Kernel.php

@@ -37,8 +37,9 @@ class Kernel extends HttpKernel
         ],
 
         'api' => [
-            'throttle:60,1',
-            'bindings',
+            // \Laravel\Sanctum\Http\Middleware\EnsureFrontendRequestsAreStateful::class,
+            'throttle:api',
+            \Illuminate\Routing\Middleware\SubstituteBindings::class,
         ],
     ];
 
@@ -53,10 +54,12 @@ class Kernel extends HttpKernel
         //'auth' => 'App\Http\Middleware\Authenticate',
         'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
-        'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
+        'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
+        // 'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
         'can' => \Illuminate\Auth\Middleware\Authorize::class,
         'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
         'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
+        'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
 
         // 'role' => \Spatie\Permission\Middlewares\RoleMiddleware::class,
         // 'perm' => \App\Http\Middleware\PermissionMiddleware::class,