Update to Drupal 8.0.5. For more information, see https://www.drupal.org/node/2679347

core/modules/field/field.post_update.php

@@ -5,6 +5,7 @@
  * Post update functions for Field module.
  */
 
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
 use Drupal\field\Entity\FieldStorageConfig;
 use Drupal\field\Entity\FieldConfig;
 
@@ -44,3 +45,34 @@ function field_post_update_entity_reference_handler_setting() {
 /**
  * @} End of "addtogroup updates-8.0.0-beta".
  */
+
+/**
+ * @addtogroup updates-8.1.0
+ * @{
+ */
+
+/**
+ * Adds the 'size' setting for email widgets.
+ */
+function field_post_update_email_widget_size_setting() {
+  foreach (EntityFormDisplay::loadMultiple() as $entity_form_display) {
+    $changed = FALSE;
+    foreach ($entity_form_display->getComponents() as $name => $options) {
+      if (isset($options['type']) && $options['type'] === 'email_default') {
+        $options['settings']['size'] = '60';
+        $entity_form_display->setComponent($name, $options);
+        $changed = TRUE;
+      }
+    }
+
+    if ($changed) {
+      $entity_form_display->save();
+    }
+  }
+
+  return t('The new size setting for email widgets has been added.');
+}
+
+/**
+ * @} End of "addtogroup updates-8.1.0".
+ */

core/modules/field/src/Plugin/migrate/process/d6/FieldInstanceSettings.php

@@ -51,14 +51,16 @@ class FieldInstanceSettings extends ProcessPluginBase {
 
       case 'imagefield_widget':
         $settings['file_extensions'] = $widget_settings['file_extensions'];
-        $settings['file_directory'] = 'public://';
+        $settings['file_directory'] = $widget_settings['file_path'];
         $settings['max_filesize'] = $this->convertSizeUnit($widget_settings['max_filesize_per_file']);
         $settings['alt_field'] = $widget_settings['alt'];
         $settings['alt_field_required'] = $widget_settings['custom_alt'];
         $settings['title_field'] = $widget_settings['title'];
         $settings['title_field_required'] = $widget_settings['custom_title'];
-        $settings['max_resolution'] = $widget_settings['max_resolution'];
-        $settings['min_resolution'] = $widget_settings['min_resolution'];
+        // With nothing entered for min or max resolution in Drupal 6, zero is
+        // stored. For Drupal 8 this should be an empty string.
+        $settings['max_resolution'] = !empty($widget_settings['max_resolution']) ? $widget_settings['max_resolution'] : '';
+        $settings['min_resolution'] = !empty($widget_settings['min_resolution']) ? $widget_settings['min_resolution'] : '';
         break;
 
     }

core/modules/field/src/Tests/Migrate/d6/MigrateFieldInstanceTest.php

@@ -62,6 +62,16 @@ class MigrateFieldInstanceTest extends MigrateDrupal6TestBase {
     $this->assertIdentical('Email Field', $field->label());
     $this->assertIdentical('benjy@example.com', $entity->field_test_email->value);
 
+    // Test image field.
+    $field = FieldConfig::load('node.story.field_test_imagefield');
+    $this->assertIdentical('Image Field', $field->label());
+    $field_settings = $field->getSettings();
+    $this->assertIdentical('', $field_settings['max_resolution']);
+    $this->assertIdentical('', $field_settings['min_resolution']);
+    $this->assertIdentical('', $field_settings['file_directory']);
+    $this->assertIdentical('png gif jpg jpeg', $field_settings['file_extensions']);
+    $this->assertIdentical('public', $field_settings['uri_scheme']);
+
     // Test a filefield.
     $field = FieldConfig::load('node.story.field_test_filefield');
     $this->assertIdentical('File Field', $field->label());

core/modules/field/src/Tests/Migrate/d6/MigrateFieldWidgetSettingsTest.php

@@ -56,6 +56,7 @@ class MigrateFieldWidgetSettingsTest extends MigrateDrupal6TestBase {
     $component = $form_display->getComponent('field_test_email');
     $expected['type'] = 'email_default';
     $expected['weight'] = 6;
+    $expected['settings'] = array('placeholder' => '', 'size' => 60);
     $this->assertIdentical($expected, $component);
 
     // Link field.

core/modules/field/src/Tests/Update/EmailWidgetSizeSettingUpdateTest.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\field\Tests\Update\EmailWidgetSizeSettingUpdateTest.
+ */
+
+namespace Drupal\field\Tests\Update;
+
+use Drupal\system\Tests\Update\UpdatePathTestBase;
+
+/**
+ * Tests the update for the 'size' setting of the 'email_default' field widget.
+ *
+ * @group field
+ */
+class EmailWidgetSizeSettingUpdateTest extends UpdatePathTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setDatabaseDumpFiles() {
+    $this->databaseDumpFiles = [
+      __DIR__ . '/../../../../system/tests/fixtures/update/drupal-8.bare.standard.php.gz',
+      __DIR__ . '/../../../tests/fixtures/update/drupal-8.email_widget_size_setting-2578741.php',
+    ];
+  }
+
+  /**
+   * Tests field_post_update_email_widget_size_setting().
+   *
+   * @see field_post_update_email_widget_size_setting()
+   */
+  public function testFieldPostUpdateEmailWidgetSizeSetting() {
+    $configFactory = $this->container->get('config.factory');
+
+    // Load the 'node.article.default' entity form display and check that the
+    // widget for 'field_email_2578741' does not have a 'size' setting.
+    /** @var \Drupal\Core\Config\Config $config */
+    $config = $configFactory->get('core.entity_form_display.node.article.default');
+    $settings = $config->get('content.field_email_2578741.settings');
+    $this->assertTrue(!isset($settings['size']), 'The size setting does not exist prior to running the update functions.');
+
+    // Run updates.
+    $this->runUpdates();
+
+    // Reload the config and check that the 'size' setting has been populated.
+    $config = $configFactory->get('core.entity_form_display.node.article.default');
+    $settings = $config->get('content.field_email_2578741.settings');
+    $this->assertEqual($settings['size'], 60, 'The size setting exists and it has the correct default value.');
+  }
+
+}

core/modules/field/src/Tests/Views/FieldUITest.php

@@ -7,6 +7,8 @@
 
 namespace Drupal\field\Tests\Views;
 
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
 use Drupal\views\Views;
 
 /**
@@ -112,4 +114,32 @@ class FieldUITest extends FieldTestBase {
     $this->assertEqual($options, array('format', 'value'), 'The expected sort field options were found.');
   }
 
+  /**
+   * Tests adding a boolean field filter handler.
+   */
+  public function testBooleanFilterHandler() {
+    // Create a boolean field.
+    $field_name = 'field_boolean';
+    $field_storage = FieldStorageConfig::create([
+      'field_name' => $field_name,
+      'entity_type' => 'node',
+      'type' => 'boolean',
+    ]);
+    $field_storage->save();
+    $field = FieldConfig::create([
+      'field_storage' => $field_storage,
+      'bundle' => 'page',
+    ]);
+    $field->save();
+
+    $url = "admin/structure/views/nojs/add-handler/test_view_fieldapi/default/filter";
+    $this->drupalPostForm($url, ['name[node__' . $field_name . '.' . $field_name . '_value]' => TRUE], t('Add and configure @handler', array('@handler' => t('filter criteria'))));
+    $this->assertResponse(200);
+    // Verify that using a boolean field as a filter also results in using the
+    // boolean plugin.
+    $option = $this->xpath('//label[@for="edit-options-value-1"]');
+    $this->assertEqual(t('True'), (string) $option[0]);
+    $option = $this->xpath('//label[@for="edit-options-value-0"]');
+    $this->assertEqual(t('False'), (string) $option[0]);
+  }
 }

core/modules/field/tests/fixtures/update/drupal-8.email_widget_size_setting-2578741.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @file
+ * Contains SQL necessary to add a new component for an email field/widget to
+ * the 'node.article.default' entity form display.
+ */
+
+use Drupal\Core\Database\Database;
+
+$connection = Database::getConnection();
+
+$config = $connection->select('config', 'c')
+  ->fields('c')
+  ->condition('collection', '')
+  ->condition('name', 'core.entity_form_display.node.article.default')
+  ->execute()
+  ->fetchAssoc();
+
+$data = unserialize($config['data']);
+
+// Manually add a new component that simulates an email field using the default
+// email widget.
+$data['content']['field_email_2578741'] = [
+  'weight' => 20,
+  'settings' => [
+    'placeholder' => '',
+  ],
+  'third_party_settings' => [],
+  'type' => 'email_default',
+];
+
+$connection->update('config')
+  ->fields(['data' => serialize($data)])
+  ->condition('collection', '')
+  ->condition('name', 'core.entity_form_display.node.article.default')
+  ->execute();

core/modules/field/tests/src/Unit/Plugin/migrate/process/d7/FieldSettingsTest.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\field\Unit\Plugin\migrate\process\d7\FieldInstanceSettingsTest.
+ * Contains \Drupal\Tests\field\Unit\Plugin\migrate\process\d7\FieldSettingsTest.
  */
 
 namespace Drupal\Tests\field\Unit\Plugin\migrate\process\d7;