Start update to laravel 6.4

config/broadcasting.php

@@ -11,11 +11,11 @@ return [
     | framework when an event needs to be broadcast. You may set this to
     | any of the connections defined in the "connections" array below.
     |
-    | Supported: "pusher", "redis", "log"
+    | Supported: "pusher", "redis", "log", "null"
     |
     */
 
-    'default' => env('BROADCAST_DRIVER', 'pusher'),
+    'default' => env('BROADCAST_DRIVER', 'null'),
 
     /*
     |--------------------------------------------------------------------------
@@ -32,11 +32,12 @@ return [
 
         'pusher' => [
             'driver' => 'pusher',
-            'key' => env('PUSHER_KEY'),
-            'secret' => env('PUSHER_SECRET'),
+            'key' => env('PUSHER_APP_KEY'),
+            'secret' => env('PUSHER_APP_SECRET'),
             'app_id' => env('PUSHER_APP_ID'),
             'options' => [
-                //
+                'cluster' => env('PUSHER_APP_CLUSTER'),
+                'useTLS' => true,
             ],
         ],
 
@@ -49,6 +50,10 @@ return [
             'driver' => 'log',
         ],
 
+        'null' => [
+            'driver' => 'null',
+        ],
+
     ],
 
 ];