diff --git a/src/qml/RelationCombobox.qml b/src/qml/RelationCombobox.qml
index 34ea8d4dd2..e79ecd20da 100644
--- a/src/qml/RelationCombobox.qml
+++ b/src/qml/RelationCombobox.qml
@@ -14,10 +14,11 @@ Item {
     property bool useCompleter: false
     property bool useSearch: false
     property bool allowAddFeature: false
+    property var relation: undefined
 
     Component.onCompleted: {
         comboBox.currentIndex = featureListModel.findKey(value)
-        invalidWarning.visible = _relation !== undefined ? !(_relation.isValid) : false
+        invalidWarning.visible = relation !== undefined ? !(relation.isValid) : false
     }
 
     anchors {
@@ -42,7 +43,7 @@ Item {
         codeReader: form.codeReader
 
         onFeatureSaved: {
-            var referencedValue = addFeaturePopup.attributeFormModel.attribute(relationCombobox._relation.resolveReferencedField(field.name))
+            var referencedValue = addFeaturePopup.attributeFormModel.attribute(relationCombobox.relation.resolveReferencedField(field.name))
             var index = featureListModel.findKey(referencedValue)
             if ( index < 0 ) {
                 // model not yet reloaded - keep the value and set it onModelReset
@@ -98,7 +99,7 @@ Item {
           anchors.left: parent.left
           anchors.right: parent.right
 
-          placeholderText: !focus && displayText == '' ? qsTr("Search…") : ''
+          placeholderText: !focus && displayText === '' ? qsTr("Search…") : ''
           placeholderTextColor: Theme.mainColor
 
           height: fontMetrics.height * 2.5
@@ -293,7 +294,7 @@ Item {
 
         ComboBox {
             id: comboBox
-            visible: !enabled || (!useSearch && !useCompleter && (_relation !== undefined ? _relation.isValid : true))
+            visible: !enabled || (!useSearch && !useCompleter && (relation !== undefined ? relation.isValid : true))
             Layout.fillWidth: true
 
             property var _cachedCurrentValue
@@ -631,11 +632,11 @@ Item {
             iconSource: Theme.getThemeIcon("ic_add_black_48dp")
             iconColor: Theme.mainTextColor
 
-            visible: enabled && allowAddFeature && _relation !== undefined && _relation.isValid
+            visible: enabled && allowAddFeature && relation !== undefined && relation.isValid
 
             onClicked: {
                 embeddedPopup.state = 'Add'
-                embeddedPopup.currentLayer = relationCombobox._relation ? relationCombobox._relation.referencedLayer : null
+                embeddedPopup.currentLayer = relationCombobox.relation ? relationCombobox.relation.referencedLayer : null
                 embeddedPopup.open()
             }
         }
@@ -656,7 +657,7 @@ Item {
         codeReader: form.codeReader
 
         onFeatureSaved: {
-            var referencedValue = embeddedPopup.attributeFormModel.attribute(relationCombobox._relation.resolveReferencedField(field.name))
+            var referencedValue = embeddedPopup.attributeFormModel.attribute(relationCombobox.relation.resolveReferencedField(field.name))
             var index = featureListModel.findKey(referencedValue)
             if ( ( featureListModel.addNull == true && index < 1 ) || index < 0 ) {
                 // model not yet reloaded - keep the value and set it onModelReset
diff --git a/src/qml/editorwidgets/RelationReference.qml b/src/qml/editorwidgets/RelationReference.qml
index b74fcd0037..61abe98837 100644
--- a/src/qml/editorwidgets/RelationReference.qml
+++ b/src/qml/editorwidgets/RelationReference.qml
@@ -44,8 +44,7 @@ EditorWidgetBase {
     enabled: isEnabled
     useSearch: true
     allowAddFeature: config['AllowAddFeatures'] !== undefined && config['AllowAddFeatures'] === true
-
-    property var _relation: _rel
+    relation: _rel
   }
 
   QfToolButton  {
diff --git a/src/qml/editorwidgets/ValueMap.qml b/src/qml/editorwidgets/ValueMap.qml
index 2f5edc17f8..8cd2a829b1 100644
--- a/src/qml/editorwidgets/ValueMap.qml
+++ b/src/qml/editorwidgets/ValueMap.qml
@@ -121,11 +121,15 @@ EditorWidgetBase {
         Layout.preferredWidth: enabled ? 48 : 0
         Layout.preferredHeight: 48
 
+        // Using the search when there are less than X items in the dropdown proves to be poor UI on normally
+        // sized and oriented phones. Some empirical tests proved 6 to be a good number for now.
+        readonly property int minimumItemCount: 6
+
         bgcolor: "transparent"
         iconSource: Theme.getThemeIcon("ic_baseline_search_black")
         iconColor: Theme.mainTextColor
 
-        visible: enabled
+        visible: enabled && comboBox.count >= minimumItemCount
 
         onClicked: {
             searchFeaturePopup.open()
diff --git a/src/qml/editorwidgets/ValueRelation.qml b/src/qml/editorwidgets/ValueRelation.qml
index bc3b64ec85..bec6163a21 100644
--- a/src/qml/editorwidgets/ValueRelation.qml
+++ b/src/qml/editorwidgets/ValueRelation.qml
@@ -32,13 +32,13 @@ EditorWidgetBase {
     attributeField: field
     currentLayer: layerResolver.currentLayer
     currentFormFeature: currentFeature
-    keyField: config['Key']
-    displayValueField: config['Value']
-    groupField: config['Group']
-    displayGroupName: config['DisplayGroupName']
-    addNull: config['AllowNull']
-    orderByValue: config['OrderByValue']
-    filterExpression: config['FilterExpression']
+    keyField: config['Key'] ? config['Key'] : ""
+    displayValueField: config['Value'] ? config['Value'] : ""
+    groupField: config['Group'] ? config['Group'] : ""
+    displayGroupName: config['DisplayGroupName'] ? config['DisplayGroupName'] : ""
+    addNull: config['AllowNull'] ? config['AllowNull'] : ""
+    orderByValue: config['OrderByValue'] ? config['OrderByValue'] : ""
+    filterExpression: config['FilterExpression'] ? config['FilterExpression'] : ""
 
     // passing "" instead of undefined, so the model is cleared on adding new features
     // attributeValue has to be the last property set to make sure its given value is handled properly (e.g. allow multiple)
@@ -53,11 +53,10 @@ EditorWidgetBase {
     id: valueRelationCombobox
     featureListModel: listModel
 
-    property var _relation: undefined
-
     useCompleter: !!config['UseCompleter']
     enabled: isEnabled
     visible: Number(config['AllowMulti']) !== 1
+    relation: undefined
   }
 
   Rectangle {