diff --git a/.vulcan/update_package.js b/.vulcan/update_package.js
index 8038b636e..de783c83e 100644
--- a/.vulcan/update_package.js
+++ b/.vulcan/update_package.js
@@ -1,5 +1,21 @@
 #!/usr/bin/env node
 
+/*
+
+### Usage
+
+Place Vulcan's package.json in .vulcan/package.json and run meteor npm run update-package-json form your project's folder.
+
+You'll have to manually manage breaking updates (example, from ^2.0.1 to ^3.0.2).
+
+### Features
+
+- makes a backup of the project's package.json
+- only merges dependencies, devDependencies and peerDependencies
+- if full merge is successful, shows a list of updated versions
+- will store vulcanVersion in package.json for future updates
+
+*/
 
 var fs = require('fs');
 var mergePackages = require('@userfrosting/merge-package-dependencies');
diff --git a/package.json b/package.json
index 8e5dd2922..5b38fbf38 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "apollo-cache-inmemory": "^1.4.2",
     "apollo-client": "2.4.12",
     "apollo-engine": "1.1.2",
-    "apollo-errors": "^1.4.0",
+    "apollo-errors": "^1.9.0",
     "apollo-link-error": "^1.1.5",
     "apollo-link-schema": "^1.1.1",
     "apollo-link-state": "^0.4.2",
diff --git a/packages/vulcan-forms/lib/components/Form.jsx b/packages/vulcan-forms/lib/components/Form.jsx
index 411888e4b..511342d4f 100644
--- a/packages/vulcan-forms/lib/components/Form.jsx
+++ b/packages/vulcan-forms/lib/components/Form.jsx
@@ -221,7 +221,9 @@ class SmartForm extends Component {
 
   */
   getData = customArgs => {
+    // we want to keep prefilled data even for hidden/removed fields
     const args = {
+      excludeRemovedFields: false,
       excludeHiddenFields: false,
       replaceIntlFields: true,
       addExtraFields: false,
@@ -324,6 +326,7 @@ class SmartForm extends Component {
     const {
       schema = this.state.schema,
       excludeHiddenFields = true,
+      excludeRemovedFields = true,
       replaceIntlFields = false,
       addExtraFields = true
     } = args0;
@@ -339,9 +342,12 @@ class SmartForm extends Component {
     }
 
     // if "hideFields" prop is specified, remove its fields
-    const removeFields = this.props.hideFields || this.props.removeFields;
-    if (typeof removeFields !== 'undefined' && removeFields.length > 0) {
-      relevantFields = _.difference(relevantFields, removeFields);
+    if (excludeRemovedFields) {
+      // OpenCRUD backwards compatibility
+      const removeFields = this.props.removeFields || this.props.hideFields;
+      if (typeof removeFields !== 'undefined' && removeFields.length > 0) {
+        relevantFields = _.difference(relevantFields, removeFields);
+      }
     }
 
     // if "addFields" prop is specified, add its fields
@@ -1048,7 +1054,7 @@ class SmartForm extends Component {
           <FormComponents.FormGroup {...this.getFormGroupProps(group)} />
         ))}
 
-        {this.props.repeatErrors && this.renderErrors()}
+        {this.props.repeatErrors && <FormComponents.FormErrors {...this.getFormErrorsProps()} />}
 
         <FormComponents.FormSubmit {...this.getFormSubmitProps()} />
       </FormComponents.FormElement>