diff --git a/CHANGELOG-5.5.md b/CHANGELOG-5.5.md
index 95211c788725..208e9061f1ec 100644
--- a/CHANGELOG-5.5.md
+++ b/CHANGELOG-5.5.md
@@ -2,6 +2,7 @@
 
 ## v5.5.32 (2018-01-18)
 
+### Fixed
 - Reverted `Collection::get()` changes [#22554](https://github.com/laravel/framework/pull/22554) ([6197e56](https://github.com/laravel/framework/commit/6197e563fab8511ce8bf9a006444fee26f015d3a), [af36f26](https://github.com/laravel/framework/commit/af36f26dad805a8d866555c979e92a9e0e1fa8ea))
 
 
diff --git a/src/Illuminate/Container/Container.php b/src/Illuminate/Container/Container.php
index a4b479aea1d7..b75e734b30d1 100755
--- a/src/Illuminate/Container/Container.php
+++ b/src/Illuminate/Container/Container.php
@@ -206,7 +206,7 @@ public function isAlias($name)
     /**
      * Register a binding with the container.
      *
-     * @param  string|array  $abstract
+     * @param  string  $abstract
      * @param  \Closure|string|null  $concrete
      * @param  bool  $shared
      * @return void
@@ -338,7 +338,7 @@ public function bindIf($abstract, $concrete = null, $shared = false)
     /**
      * Register a shared binding in the container.
      *
-     * @param  string|array  $abstract
+     * @param  string  $abstract
      * @param  \Closure|string|null  $concrete
      * @return void
      */
@@ -951,7 +951,7 @@ protected function unresolvablePrimitive(ReflectionParameter $parameter)
     /**
      * Register a new resolving callback.
      *
-     * @param  string    $abstract
+     * @param  \Closure|string  $abstract
      * @param  \Closure|null  $callback
      * @return void
      */
@@ -971,8 +971,8 @@ public function resolving($abstract, Closure $callback = null)
     /**
      * Register a new after resolving callback for all types.
      *
-     * @param  string   $abstract
-     * @param  \Closure|null $callback
+     * @param  \Closure|string  $abstract
+     * @param  \Closure|null  $callback
      * @return void
      */
     public function afterResolving($abstract, Closure $callback = null)
diff --git a/src/Illuminate/Contracts/Container/Container.php b/src/Illuminate/Contracts/Container/Container.php
index 44ae747d28f1..c68c645fcd12 100644
--- a/src/Illuminate/Contracts/Container/Container.php
+++ b/src/Illuminate/Contracts/Container/Container.php
@@ -36,7 +36,7 @@ public function tag($abstracts, $tags);
     /**
      * Resolve all of the bindings for a given tag.
      *
-     * @param  array  $tag
+     * @param  string  $tag
      * @return array
      */
     public function tagged($tag);
@@ -44,7 +44,7 @@ public function tagged($tag);
     /**
      * Register a binding with the container.
      *
-     * @param  string|array  $abstract
+     * @param  string  $abstract
      * @param  \Closure|string|null  $concrete
      * @param  bool  $shared
      * @return void
@@ -64,7 +64,7 @@ public function bindIf($abstract, $concrete = null, $shared = false);
     /**
      * Register a shared binding in the container.
      *
-     * @param  string|array  $abstract
+     * @param  string  $abstract
      * @param  \Closure|string|null  $concrete
      * @return void
      */
@@ -136,7 +136,7 @@ public function resolved($abstract);
     /**
      * Register a new resolving callback.
      *
-     * @param  string    $abstract
+     * @param  \Closure|string  $abstract
      * @param  \Closure|null  $callback
      * @return void
      */
@@ -145,7 +145,7 @@ public function resolving($abstract, Closure $callback = null);
     /**
      * Register a new after resolving callback.
      *
-     * @param  string    $abstract
+     * @param  \Closure|string  $abstract
      * @param  \Closure|null  $callback
      * @return void
      */
diff --git a/src/Illuminate/Database/Concerns/BuildsQueries.php b/src/Illuminate/Database/Concerns/BuildsQueries.php
index a815dda560ab..1051f2c91c85 100644
--- a/src/Illuminate/Database/Concerns/BuildsQueries.php
+++ b/src/Illuminate/Database/Concerns/BuildsQueries.php
@@ -70,7 +70,7 @@ public function each(callable $callback, $count = 1000)
      * Execute the query and get the first result.
      *
      * @param  array  $columns
-     * @return \Illuminate\Database\Eloquent\Model|static|null
+     * @return \Illuminate\Database\Eloquent\Model|object|static|null
      */
     public function first($columns = ['*'])
     {
diff --git a/src/Illuminate/Foundation/Console/RouteListCommand.php b/src/Illuminate/Foundation/Console/RouteListCommand.php
index 8675a9270345..b5cbb335bf1f 100644
--- a/src/Illuminate/Foundation/Console/RouteListCommand.php
+++ b/src/Illuminate/Foundation/Console/RouteListCommand.php
@@ -163,7 +163,7 @@ protected function filterRoute(array $route)
     {
         if (($this->option('name') && ! Str::contains($route['name'], $this->option('name'))) ||
              $this->option('path') && ! Str::contains($route['uri'], $this->option('path')) ||
-             $this->option('method') && ! Str::contains($route['method'], $this->option('method'))) {
+             $this->option('method') && ! Str::contains($route['method'], strtoupper($this->option('method')))) {
             return;
         }
 
diff --git a/src/Illuminate/Foundation/Testing/TestResponse.php b/src/Illuminate/Foundation/Testing/TestResponse.php
index e997d4e7dede..1f77c47d443b 100644
--- a/src/Illuminate/Foundation/Testing/TestResponse.php
+++ b/src/Illuminate/Foundation/Testing/TestResponse.php
@@ -125,6 +125,21 @@ public function assertHeader($headerName, $value = null)
         return $this;
     }
 
+    /**
+     * Asserts that the response does not contains the given header.
+     *
+     * @param  string  $headerName
+     * @return $this
+     */
+    public function assertHeaderMissing($headerName)
+    {
+        PHPUnit::assertFalse(
+            $this->headers->has($headerName), "Unexpected header [{$headerName}] is present on response."
+        );
+
+        return $this;
+    }
+
     /**
      * Asserts that the response contains the given cookie and equals the optional value.
      *
diff --git a/src/Illuminate/Foundation/helpers.php b/src/Illuminate/Foundation/helpers.php
index 088863c69c06..534d2d2e1700 100644
--- a/src/Illuminate/Foundation/helpers.php
+++ b/src/Illuminate/Foundation/helpers.php
@@ -570,6 +570,12 @@ function mix($path, $manifestDirectory = '')
         }
 
         if (file_exists(public_path($manifestDirectory.'/hot'))) {
+            $url = file_get_contents(public_path($manifestDirectory.'/hot'));
+
+            if (Str::startsWith($url, ['http://', 'https://'])) {
+                return new HtmlString(Str::after($url, ':').$path);
+            }
+
             return new HtmlString("//localhost:8080{$path}");
         }
 
diff --git a/src/Illuminate/Http/Request.php b/src/Illuminate/Http/Request.php
index dadb5d965c58..6916063e3e73 100644
--- a/src/Illuminate/Http/Request.php
+++ b/src/Illuminate/Http/Request.php
@@ -22,7 +22,7 @@ class Request extends SymfonyRequest implements Arrayable, ArrayAccess
     /**
      * The decoded JSON content for the request.
      *
-     * @var string
+     * @var \Symfony\Component\HttpFoundation\ParameterBag|null
      */
     protected $json;
 
@@ -314,7 +314,7 @@ public function replace(array $input)
      *
      * @param  string  $key
      * @param  mixed   $default
-     * @return mixed
+     * @return \Symfony\Component\HttpFoundation\ParameterBag|mixed
      */
     public function json($key = null, $default = null)
     {
@@ -479,7 +479,7 @@ public function fingerprint()
     /**
      * Set the JSON payload for the request.
      *
-     * @param  array  $json
+     * @param  \Symfony\Component\HttpFoundation\ParameterBag  $json
      * @return $this
      */
     public function setJson($json)
diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 7b1c488fdec2..3c002607db42 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -34,7 +34,7 @@ class Collection implements ArrayAccess, Arrayable, Countable, IteratorAggregate
      */
     protected static $proxies = [
         'average', 'avg', 'contains', 'each', 'every', 'filter', 'first', 'flatMap',
-        'keyBy', 'map', 'partition', 'reject', 'sortBy', 'sortByDesc', 'sum',
+        'keyBy', 'map', 'partition', 'reject', 'sortBy', 'sortByDesc', 'sum', 'unique',
     ];
 
     /**
diff --git a/tests/Foundation/FoundationTestResponseTest.php b/tests/Foundation/FoundationTestResponseTest.php
index 7d7f10302906..d04b4ac2f41a 100644
--- a/tests/Foundation/FoundationTestResponseTest.php
+++ b/tests/Foundation/FoundationTestResponseTest.php
@@ -64,12 +64,28 @@ public function testAssertHeader()
 
         try {
             $response->assertHeader('Location', '/bar');
+            $this->fail('No exception was thrown');
         } catch (\PHPUnit\Framework\ExpectationFailedException $e) {
             $this->assertEquals('/bar', $e->getComparisonFailure()->getExpected());
             $this->assertEquals('/foo', $e->getComparisonFailure()->getActual());
         }
     }
 
+    /**
+     * @expectedException \PHPUnit\Framework\ExpectationFailedException
+     * @expectedExceptionMessage Unexpected header [Location] is present on response.
+     */
+    public function testAssertHeaderMissing()
+    {
+        $baseResponse = tap(new Response, function ($response) {
+            $response->header('Location', '/foo');
+        });
+
+        $response = TestResponse::fromBaseResponse($baseResponse);
+
+        $response->assertHeaderMissing('Location');
+    }
+
     public function testAssertJsonWithArray()
     {
         $response = TestResponse::fromBaseResponse(new Response(new JsonSerializableSingleResourceStub));
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index d33b0b1b28a0..bbe048539984 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -341,6 +341,16 @@ public function testHigherOrderKeyBy()
         $this->assertEquals(['id1' => 'first', 'id2' => 'second'], $c->keyBy->id->map->name->all());
     }
 
+    public function testHigherOrderUnique()
+    {
+        $c = new Collection([
+            ['id' => '1', 'name' => 'first'],
+            ['id' => '1', 'name' => 'second'],
+        ]);
+
+        $this->assertCount(1, $c->unique->id);
+    }
+
     public function testHigherOrderFilter()
     {
         $c = new Collection([