diff --git a/core/config/schema/core.data_types.schema.yml b/core/config/schema/core.data_types.schema.yml
index ef68a3e..4283543 100644
--- a/core/config/schema/core.data_types.schema.yml
+++ b/core/config/schema/core.data_types.schema.yml
@@ -638,6 +638,9 @@ field.integer.field_settings:
     suffix:
       type: string
       label: 'Suffix'
+    size:
+      type: string
+      label: 'Size'
 
 field.integer.value:
   type: sequence
diff --git a/core/config/schema/core.entity.data_types.schema.yml b/core/config/schema/core.entity.data_types.schema.yml
index f0b87ee..36e59fb 100644
--- a/core/config/schema/core.entity.data_types.schema.yml
+++ b/core/config/schema/core.entity.data_types.schema.yml
@@ -18,6 +18,9 @@ entity_field_view_display_base:
     label:
       type: string
       label: 'Label setting machine name'
+    settings:
+      type: sequence
+      label: 'Settings'
 
 # Schema for the base of the form mode display format settings.
 entity_field_form_display_base:
@@ -34,3 +37,6 @@ entity_field_form_display_base:
       label: 'Third party settings'
       sequence:
         - type: entity_form_display.third_party.[%key]
+    settings:
+      type: sequence
+      label: 'Settings'
diff --git a/core/config/schema/core.entity.schema.yml b/core/config/schema/core.entity.schema.yml
index 63a35eb..06a4215 100644
--- a/core/config/schema/core.entity.schema.yml
+++ b/core/config/schema/core.entity.schema.yml
@@ -145,35 +145,52 @@ entity_form_display.field.string_textfield:
           type: label
           label: 'Placeholder'
 
-entity_form_display.field.datetime_timestamp:
+entity_form_display.field.string_textarea:
   type: entity_field_form_display_base
-  label: 'Datetime timestamp display format settings'
+  label: 'Textarea display format settings'
   mapping:
     settings:
-      type: sequence
+      type: mapping
       label: 'Settings'
-      sequence:
-        - type: string
+      mapping:
+        rows:
+          type: integer
+          label: 'Rows'
+        placeholder:
+          type: label
+          label: 'Placeholder'
+
+entity_form_display.field.email_default:
+  type: entity_field_form_display_base
+  label: 'Email field display format settings'
+  mapping:
+    settings:
+      type: mapping
+      label: 'Settings'
+      mapping:
+        placeholder:
+          type: label
+          label: 'Placeholder'
+
+entity_form_display.field.datetime_timestamp:
+  type: entity_field_form_display_base
+  label: 'Datetime timestamp display format settings'
 
 entity_form_display.field.boolean_checkbox:
   type: entity_field_form_display_base
   label: 'Boolean checkbox display format settings'
   mapping:
     settings:
-      type: sequence
+      type: mapping
       label: 'Settings'
-      sequence:
-        - type: string
+      mapping:
+        display_label:
+          type: boolean
+          label: 'Display label'
 
 entity_form_display.field.hidden:
   type: entity_field_form_display_base
   label: '- Hidden - format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_form_display.field.number:
   type: entity_field_form_display_base
@@ -238,29 +255,11 @@ entity_view_display.field.number_integer:
 entity_view_display.field.number_unformatted:
   type: entity_field_view_display_base
   label: 'Number unformatted display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.uri_link:
   type: entity_field_view_display_base
   label: 'URI as link display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.timestamp_ago:
   type: entity_field_view_display_base
   label: 'Timestamp ago display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
diff --git a/core/lib/Drupal/Core/Config/Schema/Element.php b/core/lib/Drupal/Core/Config/Schema/Element.php
index c492d42..6f4fe9d 100644
--- a/core/lib/Drupal/Core/Config/Schema/Element.php
+++ b/core/lib/Drupal/Core/Config/Schema/Element.php
@@ -22,6 +22,13 @@
   protected $value;
 
   /**
+   * The parent element object.
+   *
+   * @var Element
+   */
+  protected $parent;
+
+  /**
    * Create typed config object.
    */
   protected function parseElement($key, $data, $definition) {
@@ -37,4 +44,23 @@ protected function buildDataDefinition($definition, $value, $key) {
     return  \Drupal::service('config.typed')->buildDataDefinition($definition, $value, $key, $this);
   }
 
+  /**
+   * Get the full config path of the element.
+   *
+   * @return string
+   *   The full config path of the element starting with the top element key
+   *   followed by a colon followed by element names separated with dots.
+   *   For example: views.view.content:display.default.display_options.
+   */
+  public function getFullName() {
+    if (isset($this->parent)) {
+      // Ensure if the parent was the root element, we do not add a dot after.
+      return str_replace(':.', ':', $this->parent->getFullName() . '.' . $this->getName());
+    }
+    else {
+      // If there is no parent, this is the root element, add a colon.
+      return $this->getName() . ':';
+    }
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Config/Schema/Mapping.php b/core/lib/Drupal/Core/Config/Schema/Mapping.php
index a85fac4..a8d6c53 100644
--- a/core/lib/Drupal/Core/Config/Schema/Mapping.php
+++ b/core/lib/Drupal/Core/Config/Schema/Mapping.php
@@ -63,7 +63,7 @@ public function get($property_name) {
       return $element;
     }
     else {
-      throw new \InvalidArgumentException(String::format("The configuration property @key doesn't exist.", array('@key' => $property_name)));
+      throw new \InvalidArgumentException(String::format("The configuration property @key.@element doesn't exist.", array('@key' => $this->getFullName(), '@element' => $property_name)));
     }
   }
 
@@ -131,6 +131,11 @@ public function getPropertyDefinitions() {
       $this->propertyDefinitions = array();
       foreach ($this->getAllKeys() as $key) {
         $definition = isset($this->definition['mapping'][$key]) ? $this->definition['mapping'][$key] : array();
+        if (empty($definition)) {
+          debug($this->definition['type']);
+          debug($this->definition['debug']);
+          throw new \InvalidArgumentException(String::format("The configuration property @key.@element doesn't have schema.", array('@key' => $this->getFullName(), '@element' => $key)));
+        }
         $this->propertyDefinitions[$key] = $this->buildDataDefinition($definition, $this->value[$key], $key);
       }
     }
diff --git a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
index 0fccd47..e8debe2 100644
--- a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
+++ b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
@@ -55,7 +55,7 @@ public function checkConfigSchema(TypedConfigManagerInterface $typed_config, $co
     }
     $definition = $typed_config->getDefinition($config_name);
     $data_definition = $typed_config->buildDataDefinition($definition, $config_data);
-    $this->schema = $typed_config->create($data_definition, $config_data);
+    $this->schema = $typed_config->create($data_definition, $config_data, $config_name);
     $errors = array();
     foreach ($config_data as $key => $value) {
       $errors = array_merge($errors, $this->checkValue($key, $value));
diff --git a/core/lib/Drupal/Core/Config/StorableConfigBase.php b/core/lib/Drupal/Core/Config/StorableConfigBase.php
index 5c6e8b3..5eab003 100644
--- a/core/lib/Drupal/Core/Config/StorableConfigBase.php
+++ b/core/lib/Drupal/Core/Config/StorableConfigBase.php
@@ -128,7 +128,7 @@ protected function getSchemaWrapper() {
     if (!isset($this->schemaWrapper)) {
       $definition = $this->typedConfigManager->getDefinition($this->name);
       $data_definition = $this->typedConfigManager->buildDataDefinition($definition, $this->data);
-      $this->schemaWrapper = $this->typedConfigManager->create($data_definition, $this->data);
+      $this->schemaWrapper = $this->typedConfigManager->create($data_definition, $this->data, $this->name);
     }
     return $this->schemaWrapper;
   }
@@ -178,7 +178,10 @@ protected function validateValue($key, $value) {
   protected function castValue($key, $value) {
     $element = $this->getSchemaWrapper()->get($key);
     // Do not cast value if it is unknown or defined to be ignored.
-    if ($element && ($element instanceof Undefined || $element instanceof Ignore)) {
+    if ($element && ($element instanceof Undefined)) {
+      throw new ConfigException(String::format("The configuration property @key is undefined.", array('@key' => $element->getFullName())));
+    }
+    elseif ($element && ($element instanceof Ignore)) {
       // Do validate the value (may throw UnsupportedDataTypeConfigException)
       // to ensure unsupported types are not supported in this case either.
       $this->validateValue($key, $value);
diff --git a/core/lib/Drupal/Core/Config/TypedConfigManager.php b/core/lib/Drupal/Core/Config/TypedConfigManager.php
index d775cc2..1943307 100644
--- a/core/lib/Drupal/Core/Config/TypedConfigManager.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManager.php
@@ -71,7 +71,7 @@ public function get($name) {
     $data = $this->configStorage->read($name);
     $type_definition = $this->getDefinition($name);
     $data_definition =  $this->buildDataDefinition($type_definition, $data);
-    return $this->create($data_definition, $data);
+    return $this->create($data_definition, $data, $name);
   }
 
   /**
@@ -91,7 +91,9 @@ public function buildDataDefinition(array $definition, $value, $name = NULL, $pa
       if (isset($name)) {
         $replace['%key'] = $name;
       }
+      $definition['debug']['dynamic_type'] = $type;
       $type = $this->replaceName($type, $replace);
+      $definition['debug']['resolved_type'] = $type;
       // Remove the type from the definition so that it is replaced with the
       // concrete type from schema definitions.
       unset($definition['type']);
@@ -135,6 +137,7 @@ public function getDefinition($base_plugin_id, $exception_on_invalid = TRUE) {
       unset($definition['type']);
       $this->definitions[$type] = $definition;
     }
+    $definition['debug']['generic_type'] = $base_plugin_id;
     // Add type and default definition class.
     return $definition + array(
       'definition_class' => '\Drupal\Core\TypedData\DataDefinition',
diff --git a/core/modules/comment/config/schema/comment.schema.yml b/core/modules/comment/config/schema/comment.schema.yml
index b5bcd86..8b8c6a3 100644
--- a/core/modules/comment/config/schema/comment.schema.yml
+++ b/core/modules/comment/config/schema/comment.schema.yml
@@ -5,20 +5,16 @@ entity_view_display.field.comment_default:
   label: 'Comment display format settings'
   mapping:
     settings:
-      type: sequence
+      type: mapping
       label: 'Settings'
-      sequence:
-        - type: string
+      mapping:
+        pager_id:
+          type: integer
+          label: 'Pager ID'
 
 entity_form_display.field.comment_default:
   type: entity_field_form_display_base
   label: 'Comment display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 action.configuration.comment_publish_action:
   type: action_configuration_default
diff --git a/core/modules/datetime/config/schema/datetime.schema.yml b/core/modules/datetime/config/schema/datetime.schema.yml
index 58e4cc6..3086164 100644
--- a/core/modules/datetime/config/schema/datetime.schema.yml
+++ b/core/modules/datetime/config/schema/datetime.schema.yml
@@ -41,12 +41,6 @@ entity_view_display.field.datetime_default:
 entity_view_display.field.datetime_plain:
   type: entity_field_view_display_base
   label: 'Datetime plain display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_form_display.field.datetime_datelist:
   type: entity_field_form_display_base
@@ -69,9 +63,3 @@ entity_form_display.field.datetime_datelist:
 entity_form_display.field.datetime_default:
   type: entity_field_form_display_base
   label: 'Datetime default display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
diff --git a/core/modules/datetime/src/Tests/DateTimeFieldTest.php b/core/modules/datetime/src/Tests/DateTimeFieldTest.php
index 281e78c..c7c7047 100644
--- a/core/modules/datetime/src/Tests/DateTimeFieldTest.php
+++ b/core/modules/datetime/src/Tests/DateTimeFieldTest.php
@@ -141,6 +141,7 @@ function testDateField() {
 
     // Verify that the plain formatter works.
     $this->display_options['type'] = 'datetime_plain';
+    $this->display_options['settings'] = array();
     entity_get_display($this->field->entity_type, $this->field->bundle, 'full')
       ->setComponent($field_name, $this->display_options)
       ->save();
@@ -206,6 +207,7 @@ function testDatetimeField() {
 
     // Verify that the plain formatter works.
     $this->display_options['type'] = 'datetime_plain';
+    $this->display_options['settings'] = array();
     entity_get_display($this->field->entity_type, $this->field->bundle, 'full')
       ->setComponent($field_name, $this->display_options)
       ->save();
diff --git a/core/modules/entity_reference/config/schema/entity_reference.schema.yml b/core/modules/entity_reference/config/schema/entity_reference.schema.yml
index 5404963..22561c9 100644
--- a/core/modules/entity_reference/config/schema/entity_reference.schema.yml
+++ b/core/modules/entity_reference/config/schema/entity_reference.schema.yml
@@ -55,12 +55,6 @@ entity_view_display.field.entity_reference_entity_view:
 entity_view_display.field.entity_reference_entity_id:
   type: entity_field_view_display_base
   label: 'Entity reference entity ID display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.entity_reference_label:
   type: entity_field_view_display_base
diff --git a/core/modules/field/src/Tests/Number/NumberFieldTest.php b/core/modules/field/src/Tests/Number/NumberFieldTest.php
index ca1fbb0..9c5d5cd 100644
--- a/core/modules/field/src/Tests/Number/NumberFieldTest.php
+++ b/core/modules/field/src/Tests/Number/NumberFieldTest.php
@@ -49,7 +49,7 @@ function testNumberDecimalField() {
       'entity_type' => 'entity_test',
       'type' => 'decimal',
       'settings' => array(
-        'precision' => 8, 'scale' => 4, 'decimal_separator' => '.',
+        'precision' => 8, 'scale' => 4,
       )
     ))->save();
     entity_create('field_config', array(
diff --git a/core/modules/file/config/schema/file.schema.yml b/core/modules/file/config/schema/file.schema.yml
index cd21f38..0babe38 100644
--- a/core/modules/file/config/schema/file.schema.yml
+++ b/core/modules/file/config/schema/file.schema.yml
@@ -70,43 +70,18 @@ field.file.field_settings:
 entity_view_display.field.file_default:
   type: entity_field_view_display_base
   label: 'Generic file format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.file_rss_enclosure:
   type: entity_field_view_display_base
   label: 'RSS enclosure format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.file_table:
   type: entity_field_view_display_base
   label: 'Table of files format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.file_url_plain:
   type: entity_field_view_display_base
   label: 'URL to file format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
-
 
 entity_form_display.field.file_generic:
   type: entity_field_form_display_base
diff --git a/core/modules/image/config/schema/image.schema.yml b/core/modules/image/config/schema/image.schema.yml
index f0db0d5..2ecd1de 100644
--- a/core/modules/image/config/schema/image.schema.yml
+++ b/core/modules/image/config/schema/image.schema.yml
@@ -139,10 +139,15 @@ entity_view_display.field.image:
   label: 'Image field display format settings'
   mapping:
     settings:
-      type: sequence
-      label: 'Format settings'
-      sequence:
-        - type: string
+      type: mapping
+      label: 'Settings'
+      mapping:
+        image_link:
+          type: string
+          label: 'Link image to'
+        image_style:
+          type: string
+          label: 'Image style'
 
 entity_form_display.field.image_image:
   type: entity_field_form_display_base
@@ -150,7 +155,7 @@ entity_form_display.field.image_image:
   mapping:
     settings:
       type: mapping
-      label: 'Format settings'
+      label: 'Settings'
       mapping:
         progress_indicator:
           type: string
diff --git a/core/modules/image/src/Tests/ImageFieldDisplayTest.php b/core/modules/image/src/Tests/ImageFieldDisplayTest.php
index c49af3c..2111d32 100644
--- a/core/modules/image/src/Tests/ImageFieldDisplayTest.php
+++ b/core/modules/image/src/Tests/ImageFieldDisplayTest.php
@@ -175,7 +175,6 @@ function testImageFieldSettings() {
       'max_resolution' => '100x100',
       'min_resolution' => '10x10',
       'title_field' => 1,
-      'description' => '[site:name]_description',
     );
     $widget_settings = array(
       'preview_image_style' => 'medium',
diff --git a/core/modules/options/config/schema/options.schema.yml b/core/modules/options/config/schema/options.schema.yml
index 03cb81f..f0d444a 100644
--- a/core/modules/options/config/schema/options.schema.yml
+++ b/core/modules/options/config/schema/options.schema.yml
@@ -114,39 +114,15 @@ field.list_string.value:
 entity_view_display.field.list_default:
   type: entity_field_view_display_base
   label: 'Options list default display settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.list_key:
   type: entity_field_view_display_base
   label: 'Key format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_form_display.field.options_buttons:
   type: entity_field_form_display_base
   label: 'Check boxes/radio buttons format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_form_display.field.options_select:
   type: entity_field_form_display_base
   label: 'Select list format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
diff --git a/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml b/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
index b24ca9e..c3540f9 100644
--- a/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
+++ b/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
@@ -36,13 +36,13 @@ content:
   promote:
     type: boolean_checkbox
     settings:
-      display_label: '1'
+      display_label: true
     weight: 15
     third_party_settings: {  }
   sticky:
     type: boolean_checkbox
     settings:
-      display_label: '1'
+      display_label: true
     weight: 16
     third_party_settings: {  }
   body:
diff --git a/core/modules/path/config/schema/path.schema.yml b/core/modules/path/config/schema/path.schema.yml
index f595e4b..ebed69c 100644
--- a/core/modules/path/config/schema/path.schema.yml
+++ b/core/modules/path/config/schema/path.schema.yml
@@ -3,6 +3,3 @@
 entity_form_display.field.path:
   type: entity_field_form_display_base
   label: 'Link format settings'
-  mapping:
-    settings:
-      type: sequence
diff --git a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
index 5f85234..f060ba3 100644
--- a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
@@ -101,7 +101,6 @@ public function _testResponsiveImageFieldFormatters($scheme) {
     // Use the responsive image formatter linked to file formatter.
     $display_options = array(
       'type' => 'responsive_image',
-      'module' => 'responsive_image',
       'settings' => array(
         'image_link' => 'file'
       ),
diff --git a/core/modules/taxonomy/config/schema/taxonomy.schema.yml b/core/modules/taxonomy/config/schema/taxonomy.schema.yml
index 579f673..e9aed2b 100644
--- a/core/modules/taxonomy/config/schema/taxonomy.schema.yml
+++ b/core/modules/taxonomy/config/schema/taxonomy.schema.yml
@@ -94,12 +94,6 @@ entity_view_display.field.taxonomy_term_reference_rss_category:
 entity_view_display.field.taxonomy_term_reference_link:
   type: entity_field_view_display_base
   label: 'Taxonomy format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_form_display.field.taxonomy_autocomplete:
   type: entity_field_form_display_base
diff --git a/core/modules/text/config/schema/text.schema.yml b/core/modules/text/config/schema/text.schema.yml
index f472aec..f211cbf 100644
--- a/core/modules/text/config/schema/text.schema.yml
+++ b/core/modules/text/config/schema/text.schema.yml
@@ -93,12 +93,6 @@ field.text_with_summary.value:
 entity_view_display.field.text_default:
   type: entity_field_view_display_base
   label: 'Formatted text default display format settings'
-  mapping:
-    settings:
-      type: sequence
-      label: 'Settings'
-      sequence:
-        - type: string
 
 entity_view_display.field.text_summary_or_trimmed:
   type: entity_field_view_display_base