diff --git a/CHANGELOG.md b/CHANGELOG.md
index c394555e63..6ef65c7a79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
+# v1.3.0-rc.2
+## 05/17/2017
+
+1. [](#new)
+    * Added new `media` and `vardump` Twig functions
+1. [](#improved)
+    * Put in various checks to ensure Exif is available before trying to use it
+    * Add timestamp to configuration settings [#1445](https://github.com/getgrav/grav/pull/1445)
+1. [](#bugfix)
+    * Fix an issue saving YAML textarea fields in expert mode [#1480](https://github.com/getgrav/grav/pull/1480)
+    * Moved `onOutputRendered()` back into Grav core
+
 # v1.3.0-rc.1
-## 15/16/2017
+## 05/16/2017
 
 1. [](#new)
     * Added support for a single array field in the forms
diff --git a/system/defines.php b/system/defines.php
index a65cfd0267..bca0335536 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -8,7 +8,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '1.3.0-rc.1');
+define('GRAV_VERSION', '1.3.0-rc.2');
 define('GRAV_TESTING', true);
 define('DS', '/');
 
diff --git a/system/src/Grav/Common/Config/CompiledBase.php b/system/src/Grav/Common/Config/CompiledBase.php
index f1e71f0442..b4e2abb29d 100644
--- a/system/src/Grav/Common/Config/CompiledBase.php
+++ b/system/src/Grav/Common/Config/CompiledBase.php
@@ -27,6 +27,11 @@ abstract class CompiledBase
      */
     public $checksum;
 
+    /**
+     * @var string  Timestamp of compiled configuration
+     */
+    public $timestamp;
+
     /**
      * @var string Cache folder to be used.
      */
@@ -59,9 +64,10 @@ public function __construct($cacheFolder, array $files, $path)
             throw new \BadMethodCallException('Cache folder not defined.');
         }
 
+        $this->path = $path ? rtrim($path, '\\/') . '/' : '';
         $this->cacheFolder = $cacheFolder;
         $this->files = $files;
-        $this->path = $path ? rtrim($path, '\\/') . '/' : '';
+        $this->timestamp = 0;
     }
 
     /**
@@ -84,6 +90,16 @@ public function name($name = null)
      */
     public function modified() {}
 
+    /**
+     * Get timestamp of compiled configuration
+     *
+     * @return int Timestamp of compiled configuration
+     */
+    public function timestamp()
+    {
+        return $this->timestamp ?: time();
+    }
+
     /**
      * Load the configuration.
      *
@@ -196,6 +212,7 @@ protected function loadCompiledFile($filename)
         }
 
         $this->createObject($cache['data']);
+        $this->timestamp = isset($cache['timestamp']) ? $cache['timestamp'] : 0;
 
         $this->finalizeObject();
 
diff --git a/system/src/Grav/Common/Config/CompiledConfig.php b/system/src/Grav/Common/Config/CompiledConfig.php
index 1e064d90c8..05d3ed9b1e 100644
--- a/system/src/Grav/Common/Config/CompiledConfig.php
+++ b/system/src/Grav/Common/Config/CompiledConfig.php
@@ -77,6 +77,7 @@ protected function createObject(array $data = [])
     protected function finalizeObject()
     {
         $this->object->checksum($this->checksum());
+        $this->object->timestamp($this->timestamp());
     }
 
     /**
diff --git a/system/src/Grav/Common/Config/CompiledLanguages.php b/system/src/Grav/Common/Config/CompiledLanguages.php
index b6fbe37b90..94d2e3a4ee 100644
--- a/system/src/Grav/Common/Config/CompiledLanguages.php
+++ b/system/src/Grav/Common/Config/CompiledLanguages.php
@@ -38,6 +38,7 @@ protected function createObject(array $data = [])
     protected function finalizeObject()
     {
         $this->object->checksum($this->checksum());
+        $this->object->timestamp($this->timestamp());
     }
 
 
diff --git a/system/src/Grav/Common/Config/Config.php b/system/src/Grav/Common/Config/Config.php
index faa596831a..c8cf5aec36 100644
--- a/system/src/Grav/Common/Config/Config.php
+++ b/system/src/Grav/Common/Config/Config.php
@@ -17,6 +17,7 @@ class Config extends Data
 {
     protected $checksum;
     protected $modified = false;
+    protected $timestamp = 0;
 
     public function key()
     {
@@ -41,6 +42,15 @@ public function modified($modified = null)
         return $this->modified;
     }
 
+    public function timestamp($timestamp = null)
+    {
+        if ($timestamp !== null) {
+            $this->timestamp = $timestamp;
+        }
+
+        return $this->timestamp;
+    }
+
     public function reload()
     {
         $grav = Grav::instance();
diff --git a/system/src/Grav/Common/Config/Languages.php b/system/src/Grav/Common/Config/Languages.php
index 50073df26e..997b842c8e 100644
--- a/system/src/Grav/Common/Config/Languages.php
+++ b/system/src/Grav/Common/Config/Languages.php
@@ -30,6 +30,15 @@ public function modified($modified = null)
         return $this->modified;
     }
 
+    public function timestamp($timestamp = null)
+    {
+        if ($timestamp !== null) {
+            $this->timestamp = $timestamp;
+        }
+
+        return $this->timestamp;
+    }
+
     public function reformat()
     {
         if (isset($this->items['plugins'])) {
diff --git a/system/src/Grav/Common/Data/Validation.php b/system/src/Grav/Common/Data/Validation.php
index b9ba8f90e9..6f1bbe1c77 100644
--- a/system/src/Grav/Common/Data/Validation.php
+++ b/system/src/Grav/Common/Data/Validation.php
@@ -38,6 +38,11 @@ public static function validate($value, array $field)
             $field['type'] = 'text';
         }
 
+        // If this is a YAML field, stop validation
+        if (isset($field['yaml']) && $field['yaml'] === true) {
+            return $messages;
+        }
+
         // Get language class.
         $language = Grav::instance()['language'];
 
@@ -98,13 +103,7 @@ public static function filter($value, array $field)
 
         // If this is a YAML field, simply parse it and return the value.
         if (isset($field['yaml']) && $field['yaml'] === true) {
-            try {
-                $yaml = new Parser();
-
-                return $yaml->parse($value);
-            } catch (ParseException $e) {
-                throw new \RuntimeException($e->getMessage());
-            }
+            return $value;
         }
 
         // Validate type with fallback type text.
diff --git a/system/src/Grav/Common/Grav.php b/system/src/Grav/Common/Grav.php
index a260ec95f7..eb152277e2 100644
--- a/system/src/Grav/Common/Grav.php
+++ b/system/src/Grav/Common/Grav.php
@@ -137,6 +137,8 @@ public function process()
         $debugger = $this['debugger'];
         $debugger->render();
 
+        $this->fireEvent('onOutputRendered');
+
         register_shutdown_function([$this, 'shutdown']);
     }
 
diff --git a/system/src/Grav/Common/Helpers/Exif.php b/system/src/Grav/Common/Helpers/Exif.php
index 9e7a423ae5..e33cc7366a 100644
--- a/system/src/Grav/Common/Helpers/Exif.php
+++ b/system/src/Grav/Common/Helpers/Exif.php
@@ -16,12 +16,21 @@ class Exif
 
     public function __construct()
     {
-        if (function_exists('exif_read_data') && class_exists('\PHPExif\Reader\Reader')) {
-            $this->reader = \PHPExif\Reader\Reader::factory(\PHPExif\Reader\Reader::TYPE_NATIVE);
-        } else {
-            if (Grav::instance()['config']->get('system.media.auto_metadata_exif')) {
+        if (Grav::instance()['config']->get('system.media.auto_metadata_exif')) {
+            if (function_exists('exif_read_data') && class_exists('\PHPExif\Reader\Reader')) {
+                $this->reader = \PHPExif\Reader\Reader::factory(\PHPExif\Reader\Reader::TYPE_NATIVE);
+            } else {
                 throw new \Exception('Please enable the Exif extension for PHP or disable Exif support in Grav system configuration');
             }
         }
     }
+
+    public function getReader()
+    {
+        if ($this->reader) {
+            return $this->reader;
+        }
+
+        return false;
+    }
 }
diff --git a/system/src/Grav/Common/Page/Media.php b/system/src/Grav/Common/Page/Media.php
index 3c5256a49e..9d8a40cf68 100644
--- a/system/src/Grav/Common/Page/Media.php
+++ b/system/src/Grav/Common/Page/Media.php
@@ -64,7 +64,7 @@ public function offsetGet($offset)
     protected function init()
     {
         $config = Grav::instance()['config'];
-        $exif = Grav::instance()['exif'];
+        $exif_reader = isset(Grav::instance()['exif']) ? Grav::instance()['exif']->getReader() : false;
 
         // Handle special cases where page doesn't exist in filesystem.
         if (!is_dir($this->path)) {
@@ -124,9 +124,9 @@ protected function init()
             }
 
             // Read/store Exif metadata as required
-            if (!empty($types['base']) && $medium->get('mime') === 'image/jpeg' && empty($types['meta']) && $config->get('system.media.auto_metadata_exif')) {
+            if (!empty($types['base']) && $medium->get('mime') === 'image/jpeg' && empty($types['meta']) && $config->get('system.media.auto_metadata_exif') && $exif_reader) {
                 $file_path = $types['base']['file'];
-                $meta = $exif->reader->read($file_path);
+                $meta = $exif_reader->read($file_path);
 
                 if ($meta) {
                     $meta_path = $file_path . '.meta.yaml';
diff --git a/system/src/Grav/Common/Processors/RenderProcessor.php b/system/src/Grav/Common/Processors/RenderProcessor.php
index 623be38e68..a55b42847a 100644
--- a/system/src/Grav/Common/Processors/RenderProcessor.php
+++ b/system/src/Grav/Common/Processors/RenderProcessor.php
@@ -29,8 +29,9 @@ public function process()
             $container->header();
 
             echo $output;
-        }
 
-        $container->fireEvent('onOutputRendered');
+            // remove any output
+            $container->output = '';
+        }
     }
 }
diff --git a/system/src/Grav/Common/Twig/TwigExtension.php b/system/src/Grav/Common/Twig/TwigExtension.php
index 71407c8b18..fc60bbdeba 100644
--- a/system/src/Grav/Common/Twig/TwigExtension.php
+++ b/system/src/Grav/Common/Twig/TwigExtension.php
@@ -9,6 +9,7 @@
 namespace Grav\Common\Twig;
 
 use Grav\Common\Grav;
+use Grav\Common\Page\Media;
 use Grav\Common\Utils;
 use Grav\Common\Markdown\Parsedown;
 use Grav\Common\Markdown\ParsedownExtra;
@@ -109,6 +110,7 @@ public function getFunctions()
             new \Twig_simpleFunction('authorize', [$this, 'authorize']),
             new \Twig_SimpleFunction('debug', [$this, 'dump'], ['needs_context' => true, 'needs_environment' => true]),
             new \Twig_SimpleFunction('dump', [$this, 'dump'], ['needs_context' => true, 'needs_environment' => true]),
+            new \Twig_SimpleFunction('vardump', [$this, 'vardumpFunc']),
             new \Twig_SimpleFunction('evaluate', [$this, 'evaluateStringFunc'], ['needs_context' => true, 'needs_environment' => true]),
             new \Twig_SimpleFunction('evaluate_twig', [$this, 'evaluateTwigFunc'], ['needs_context' => true, 'needs_environment' => true]),
             new \Twig_SimpleFunction('gist', [$this, 'gistFunc']),
@@ -126,6 +128,8 @@ public function getFunctions()
             new \Twig_SimpleFunction('range', [$this, 'rangeFunc']),
             new \Twig_SimpleFunction('isajaxrequest', [$this, 'isAjaxFunc']),
             new \Twig_SimpleFunction('exif', [$this, 'exifFunc']),
+            new \Twig_SimpleFunction('media', [$this, 'mediaFunc']),
+
         ];
     }
 
@@ -967,17 +971,60 @@ public function isAjaxFunc()
      */
     public function exifFunc($image, $raw = false)
     {
-        if (file_exists($image)) {
+        if (isset($this->grav['exif'])) {
 
-            $exif_data = $this->grav['exif']->reader->read($image);
+            /** @var UniformResourceLocator $locator */
+            $locator = $this->grav['locator'];
 
-            if ($exif_data) {
-                if ($raw) {
-                    return $exif_data->getRawData();
-                } else {
-                    return $exif_data->getData();
+            if ($locator->isStream($image)) {
+                $image = $locator->findResource($image);
+            }
+
+            $exif_reader = $this->grav['exif']->getReader();
+
+            if (file_exists($image) && $this->config->get('system.media.auto_metadata_exif') && $exif_reader) {
+
+                $exif_data = $exif_reader->read($image);
+
+                if ($exif_data) {
+                    if ($raw) {
+                        return $exif_data->getRawData();
+                    } else {
+                        return $exif_data->getData();
+                    }
                 }
             }
         }
     }
+
+    /**
+     * Process a folder as Media and return a media object
+     *
+     * @param $media_dir
+     * @return Media
+     */
+    public function mediaFunc($media_dir)
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+
+        if ($locator->isStream($media_dir)) {
+            $media_dir = $locator->findResource($media_dir);
+        }
+
+        if (file_exists($media_dir)) {
+            return new Media($media_dir);
+        }
+
+    }
+
+    /**
+     * Dump a variable to the browser
+     *
+     * @param $var
+     */
+    public function vardumpFunc($var)
+    {
+        var_dump($var);
+    }
 }