diff --git a/config/app.php b/config/app.php
index 324b513a..423eed59 100644
--- a/config/app.php
+++ b/config/app.php
@@ -101,7 +101,7 @@
 
     'previous_keys' => [
         ...array_filter(
-            explode(',', env('APP_PREVIOUS_KEYS', ''))
+            explode(',', (string) env('APP_PREVIOUS_KEYS', ''))
         ),
     ],
 
diff --git a/config/auth.php b/config/auth.php
index 0ba5d5d8..7d1eb0de 100644
--- a/config/auth.php
+++ b/config/auth.php
@@ -104,7 +104,7 @@
     | Password Confirmation Timeout
     |--------------------------------------------------------------------------
     |
-    | Here you may define the amount of seconds before a password confirmation
+    | Here you may define the number of seconds before a password confirmation
     | window expires and users are asked to re-enter their password via the
     | confirmation screen. By default, the timeout lasts for three hours.
     |
diff --git a/config/database.php b/config/database.php
index c676a91c..53dcae02 100644
--- a/config/database.php
+++ b/config/database.php
@@ -40,6 +40,7 @@
             'busy_timeout' => null,
             'journal_mode' => null,
             'synchronous' => null,
+            'transaction_mode' => 'DEFERRED',
         ],
 
         'mysql' => [
@@ -147,7 +148,7 @@
 
         'options' => [
             'cluster' => env('REDIS_CLUSTER', 'redis'),
-            'prefix' => env('REDIS_PREFIX', Str::slug(env('APP_NAME', 'laravel'), '_').'_database_'),
+            'prefix' => env('REDIS_PREFIX', Str::slug((string) env('APP_NAME', 'laravel')).'-database-'),
             'persistent' => env('REDIS_PERSISTENT', false),
         ],
 
diff --git a/config/logging.php b/config/logging.php
index 1345f6f6..9e998a49 100644
--- a/config/logging.php
+++ b/config/logging.php
@@ -54,7 +54,7 @@
 
         'stack' => [
             'driver' => 'stack',
-            'channels' => explode(',', env('LOG_STACK', 'single')),
+            'channels' => explode(',', (string) env('LOG_STACK', 'single')),
             'ignore_exceptions' => false,
         ],
 
diff --git a/config/mail.php b/config/mail.php
index 756305b3..522b284b 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -46,7 +46,7 @@
             'username' => env('MAIL_USERNAME'),
             'password' => env('MAIL_PASSWORD'),
             'timeout' => null,
-            'local_domain' => env('MAIL_EHLO_DOMAIN', parse_url(env('APP_URL', 'http://localhost'), PHP_URL_HOST)),
+            'local_domain' => env('MAIL_EHLO_DOMAIN', parse_url((string) env('APP_URL', 'http://localhost'), PHP_URL_HOST)),
         ],
 
         'ses' => [
@@ -85,6 +85,7 @@
                 'smtp',
                 'log',
             ],
+            'retry_after' => 60,
         ],
 
         'roundrobin' => [
@@ -93,6 +94,7 @@
                 'ses',
                 'postmark',
             ],
+            'retry_after' => 60,
         ],
 
     ],
diff --git a/config/services.php b/config/services.php
index 27a36175..6182e4b9 100644
--- a/config/services.php
+++ b/config/services.php
@@ -18,16 +18,16 @@
         'token' => env('POSTMARK_TOKEN'),
     ],
 
+    'resend' => [
+        'key' => env('RESEND_KEY'),
+    ],
+
     'ses' => [
         'key' => env('AWS_ACCESS_KEY_ID'),
         'secret' => env('AWS_SECRET_ACCESS_KEY'),
         'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
     ],
 
-    'resend' => [
-        'key' => env('RESEND_KEY'),
-    ],
-
     'slack' => [
         'notifications' => [
             'bot_user_oauth_token' => env('SLACK_BOT_USER_OAUTH_TOKEN'),
diff --git a/config/session.php b/config/session.php
index ba0aa60b..bc45901e 100644
--- a/config/session.php
+++ b/config/session.php
@@ -13,8 +13,8 @@
     | incoming requests. Laravel supports a variety of storage options to
     | persist session data. Database storage is a great default choice.
     |
-    | Supported: "file", "cookie", "database", "apc",
-    |            "memcached", "redis", "dynamodb", "array"
+    | Supported: "file", "cookie", "database", "memcached",
+    |            "redis", "dynamodb", "array"
     |
     */
 
@@ -97,7 +97,7 @@
     | define the cache store which should be used to store the session data
     | between requests. This must match one of your defined cache stores.
     |
-    | Affects: "apc", "dynamodb", "memcached", "redis"
+    | Affects: "dynamodb", "memcached", "redis"
     |
     */
 
@@ -129,7 +129,7 @@
 
     'cookie' => env(
         'SESSION_COOKIE',
-        Str::slug(env('APP_NAME', 'laravel'), '_').'_session'
+        Str::slug((string) env('APP_NAME', 'laravel')).'-session'
     ),
 
     /*