diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53009b56126..60bab79799a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,8 @@ to [sourceforge feature requests](https://sourceforge.net/p/jabref/features/) by
 - Moved default bibliography mode to general preferences tab
 - Add dialog to show all preferences in their raw form plus some filtering
 - Added Ordinal formatter (1 -> 1st etc)
+- [#492](https://github.com/JabRef/jabref/issues/492): If no text is marked, the whole field is copied. Preview of pasted text in tool tip
+- [#454](https://github.com/JabRef/jabref/issues/454) Add a tab that shows all remaining entry fields that are not displayed in any other tab
 - The LaTeX to Unicode/HTML functionality is much improved by covering many more cases
 - Ability to convert from LaTeX to Unicode in right-click field menu
 
diff --git a/src/main/java/net/sf/jabref/JabRefPreferences.java b/src/main/java/net/sf/jabref/JabRefPreferences.java
index 6ff86dc6abf..66e55f93681 100644
--- a/src/main/java/net/sf/jabref/JabRefPreferences.java
+++ b/src/main/java/net/sf/jabref/JabRefPreferences.java
@@ -814,6 +814,24 @@ private JabRefPreferences() {
         }
     }
 
+    public List<String> getCustomTabFieldNames() {
+        List<String> customFields = new ArrayList<>();
+
+        int defNumber = 0;
+        while(true) {
+            // saved as CUSTOMTABNAME_def{number} and ; separated
+            String fields = (String) defaults.get(CUSTOM_TAB_FIELDS + "_def" + defNumber);
+
+            if(fields == null || fields.isEmpty()) {
+                break;
+            }
+
+            customFields.addAll(Arrays.asList(fields.split(";")));
+            defNumber++;
+        }
+        return customFields;
+    }
+
     public void setLanguageDependentDefaultValues() {
         // Entry editor tab 0:
         defaults.put(CUSTOM_TAB_NAME + "_def0", Localization.lang("General"));
diff --git a/src/main/java/net/sf/jabref/gui/GenFieldsCustomizer.java b/src/main/java/net/sf/jabref/gui/GenFieldsCustomizer.java
index b562e4de16e..a83c8d2bfd9 100644
--- a/src/main/java/net/sf/jabref/gui/GenFieldsCustomizer.java
+++ b/src/main/java/net/sf/jabref/gui/GenFieldsCustomizer.java
@@ -29,15 +29,6 @@
 import net.sf.jabref.logic.l10n.Localization;
 import net.sf.jabref.logic.labelpattern.LabelPatternUtil;
 
-/**
- * <p>Title: </p>
- * <p>Description: </p>
- * <p>Copyright: Copyright (c) 2003</p>
- * <p>Company: </p>
- * @author not attributable
- * @version 1.0
- */
-
 public class GenFieldsCustomizer extends JDialog {
 
     private final JPanel buttons = new JPanel();
@@ -55,8 +46,7 @@ public class GenFieldsCustomizer extends JDialog {
     private final JabRefFrame parentFrame;
     private final JButton revert = new JButton();
 
-
-    public GenFieldsCustomizer(JabRefFrame frame/*, EntryCustomizationDialog diag*/) {
+    public GenFieldsCustomizer(JabRefFrame frame) {
         super(frame, Localization.lang("Set general fields"), false);
         parentFrame = frame;
         helpBut = new HelpAction(HelpFiles.generalFieldsHelp).getHelpButton();
@@ -181,4 +171,4 @@ private void revertActionPerformed() {
         fieldsArea.setText(sb.toString());
 
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/net/sf/jabref/gui/entryeditor/EntryEditor.java b/src/main/java/net/sf/jabref/gui/entryeditor/EntryEditor.java
index 83aa84ac31e..570c53d71f4 100644
--- a/src/main/java/net/sf/jabref/gui/entryeditor/EntryEditor.java
+++ b/src/main/java/net/sf/jabref/gui/entryeditor/EntryEditor.java
@@ -34,6 +34,8 @@
 import java.io.IOException;
 import java.io.StringWriter;
 import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import javax.swing.*;
 import javax.swing.event.ChangeEvent;
@@ -193,27 +195,35 @@ private void setupFieldPanels() {
 
         EntryType type = EntryTypes.getTypeOrDefault(entry.getType(), this.frame.getCurrentBasePanel().getBibDatabaseContext().getMode());
 
-        List<String> fieldList = type.getRequiredFieldsFlat();
+        // required fields
+        List<String> requiredFields = type.getRequiredFieldsFlat();
 
-        EntryEditorTab reqPan = new EntryEditorTab(frame, panel, fieldList, this, true, false, Localization.lang("Required fields"));
-        if (reqPan.fileListEditor != null) {
-            fileListEditor = reqPan.fileListEditor;
+        EntryEditorTab requiredPanel = new EntryEditorTab(frame, panel, requiredFields, this, true, false, Localization.lang("Required fields"));
+        if (requiredPanel.fileListEditor != null) {
+            fileListEditor = requiredPanel.fileListEditor;
         }
-        tabbed.addTab(Localization.lang("Required fields"), IconTheme.JabRefIcon.REQUIRED.getSmallIcon(), reqPan
+        tabbed.addTab(Localization.lang("Required fields"), IconTheme.JabRefIcon.REQUIRED.getSmallIcon(), requiredPanel
                 .getPane(), Localization.lang("Show required fields"));
-        tabs.add(reqPan);
+        tabs.add(requiredPanel);
+
+        // optional fields
+        List<String> displayedOptionalFields = new ArrayList<>();
 
         if ((type.getOptionalFields() != null) && (type.getOptionalFields().size() >= 1)) {
             EntryEditorTab optPan;
-            if (this.frame.getCurrentBasePanel().getBibDatabaseContext().isBiblatexMode()) {
-                optPan = new EntryEditorTab(frame, panel, type.getPrimaryOptionalFields(), this,
-                        false, true, Localization.lang("Optional fields"));
+
+            if (!this.frame.getCurrentBasePanel().getBibDatabaseContext().isBiblatexMode()) {
+                optPan = new EntryEditorTab(frame, panel, type.getOptionalFields(), this,
+                        false, false, Localization.lang("Optional fields"));
                 if (optPan.fileListEditor != null) {
                     fileListEditor = optPan.fileListEditor;
                 }
                 tabbed.addTab(Localization.lang("Optional fields"), IconTheme.JabRefIcon.OPTIONAL.getSmallIcon(), optPan
                         .getPane(), Localization.lang("Show optional fields"));
                 tabs.add(optPan);
+            } else {
+                displayedOptionalFields.addAll(type.getPrimaryOptionalFields());
+                displayedOptionalFields.addAll(type.getSecondaryOptionalFields());
 
                 Set<String> deprecatedFields = new HashSet<>(EntryConverter.FIELD_ALIASES_TEX_TO_LTX.keySet());
                 deprecatedFields.add("year");
@@ -256,18 +266,26 @@ private void setupFieldPanels() {
                             .getPane(), Localization.lang("Show deprecated bibtex fields"));
                     tabs.add(optPan3);
                 }
-            } else {
-                optPan = new EntryEditorTab(frame, panel, type.getOptionalFields(), this, false, false,
-                        Localization.lang("Optional fields"));
-                if (optPan.fileListEditor != null) {
-                    fileListEditor = optPan.fileListEditor;
-                }
-                tabbed.addTab(Localization.lang("Optional fields"), IconTheme.JabRefIcon.OPTIONAL.getSmallIcon(),
-                        optPan.getPane(), Localization.lang("Show optional fields"));
-                tabs.add(optPan);
             }
         }
 
+        // other fields
+        List<String> displayedFields = Stream.concat(requiredFields.stream(), displayedOptionalFields.stream()).map(String::toLowerCase).collect(Collectors.toList());
+        List<String> otherFields = this.entry.getFieldNames().stream().map(String::toLowerCase).filter(f -> !displayedFields.contains(f)).collect(Collectors.toList());
+        otherFields.remove("bibtexkey");
+        otherFields.removeAll(Globals.prefs.getCustomTabFieldNames());
+
+        if(!otherFields.isEmpty()) {
+            EntryEditorTab otherPanel = new EntryEditorTab(frame, panel, otherFields, this,
+                    false, false, Localization.lang("Other fields"));
+            if (otherPanel.fileListEditor != null) {
+                fileListEditor = otherPanel.fileListEditor;
+            }
+            tabbed.addTab(Localization.lang("Other fields"), IconTheme.JabRefIcon.OPTIONAL.getSmallIcon(), otherPanel
+                    .getPane(), Localization.lang("Show remaining fields"));
+            tabs.add(otherPanel);
+        }
+
         EntryEditorTabList tabList = Globals.prefs.getEntryEditorTabList();
         for (int i = 0; i < tabList.getTabCount(); i++) {
             EntryEditorTab newTab = new EntryEditorTab(frame, panel, tabList.getTabFields(i), this, false,
diff --git a/src/main/resources/l10n/JabRef_da.properties b/src/main/resources/l10n/JabRef_da.properties
index 41a8d580cd5..d33760eb6a0 100644
--- a/src/main/resources/l10n/JabRef_da.properties
+++ b/src/main/resources/l10n/JabRef_da.properties
@@ -1764,6 +1764,8 @@ value=
 Show_preferences=
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_de.properties b/src/main/resources/l10n/JabRef_de.properties
index f52978e4bcd..c8cafff9b6f 100644
--- a/src/main/resources/l10n/JabRef_de.properties
+++ b/src/main/resources/l10n/JabRef_de.properties
@@ -2474,6 +2474,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_en.properties b/src/main/resources/l10n/JabRef_en.properties
index 12dc4474743..e47cbfa5dd3 100644
--- a/src/main/resources/l10n/JabRef_en.properties
+++ b/src/main/resources/l10n/JabRef_en.properties
@@ -2448,7 +2448,12 @@ Show_preferences=Show_preferences
 Save_actions=Save_actions
 Enable_save_actions=Enable_save_actions
 Enter_field_name_(e.g.,_title,_author)=Enter_field_name_(e.g.,_title,_author)
+
+Other_fields=Other_fields
+Show_remaining_fields=Show_remaining_fields
+
 link_should_refer_to_a_correct_file_path=link_should_refer_to_a_correct_file_path
 abbreviation_detected=abbreviation_detected
 wrong_entry_type_as_proceedings_has_page_numbers=wrong_entry_type_as_proceedings_has_page_numbers
 Copy_special=Copy_special
+
diff --git a/src/main/resources/l10n/JabRef_es.properties b/src/main/resources/l10n/JabRef_es.properties
index 83c0cecba5d..aaed3c0daec 100644
--- a/src/main/resources/l10n/JabRef_es.properties
+++ b/src/main/resources/l10n/JabRef_es.properties
@@ -1664,8 +1664,12 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
 wrong_entry_type_as_proceedings_has_page_numbers=
 Copy_special=
+
diff --git a/src/main/resources/l10n/JabRef_fa.properties b/src/main/resources/l10n/JabRef_fa.properties
index ecb2eecf0e1..9127d75e925 100644
--- a/src/main/resources/l10n/JabRef_fa.properties
+++ b/src/main/resources/l10n/JabRef_fa.properties
@@ -2451,8 +2451,12 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
 wrong_entry_type_as_proceedings_has_page_numbers=
 Copy_special=
+
diff --git a/src/main/resources/l10n/JabRef_fr.properties b/src/main/resources/l10n/JabRef_fr.properties
index 7632e0e914f..30b7754b6fb 100644
--- a/src/main/resources/l10n/JabRef_fr.properties
+++ b/src/main/resources/l10n/JabRef_fr.properties
@@ -1703,8 +1703,12 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
 wrong_entry_type_as_proceedings_has_page_numbers=
 Copy_special=
+
diff --git a/src/main/resources/l10n/JabRef_in.properties b/src/main/resources/l10n/JabRef_in.properties
index a38b3eab850..7652ea89260 100644
--- a/src/main/resources/l10n/JabRef_in.properties
+++ b/src/main/resources/l10n/JabRef_in.properties
@@ -1685,8 +1685,13 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
 wrong_entry_type_as_proceedings_has_page_numbers=
 Copy_special=
+
diff --git a/src/main/resources/l10n/JabRef_it.properties b/src/main/resources/l10n/JabRef_it.properties
index 0c7ec6cd139..95983c4dbd6 100644
--- a/src/main/resources/l10n/JabRef_it.properties
+++ b/src/main/resources/l10n/JabRef_it.properties
@@ -1783,6 +1783,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_ja.properties b/src/main/resources/l10n/JabRef_ja.properties
index 4223ee4c123..022da4c3f5c 100644
--- a/src/main/resources/l10n/JabRef_ja.properties
+++ b/src/main/resources/l10n/JabRef_ja.properties
@@ -2457,8 +2457,13 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
 wrong_entry_type_as_proceedings_has_page_numbers=
 Copy_special=
+
diff --git a/src/main/resources/l10n/JabRef_nl.properties b/src/main/resources/l10n/JabRef_nl.properties
index cf5eebe3b77..2c59ca97584 100644
--- a/src/main/resources/l10n/JabRef_nl.properties
+++ b/src/main/resources/l10n/JabRef_nl.properties
@@ -2458,6 +2458,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_no.properties b/src/main/resources/l10n/JabRef_no.properties
index 9ddee3277a7..86a44360e0a 100644
--- a/src/main/resources/l10n/JabRef_no.properties
+++ b/src/main/resources/l10n/JabRef_no.properties
@@ -2857,6 +2857,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_pt_BR.properties b/src/main/resources/l10n/JabRef_pt_BR.properties
index 05c6f10d203..b43bf370f39 100644
--- a/src/main/resources/l10n/JabRef_pt_BR.properties
+++ b/src/main/resources/l10n/JabRef_pt_BR.properties
@@ -1677,6 +1677,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_ru.properties b/src/main/resources/l10n/JabRef_ru.properties
index 1b072ecfc06..cb21b0183dd 100644
--- a/src/main/resources/l10n/JabRef_ru.properties
+++ b/src/main/resources/l10n/JabRef_ru.properties
@@ -2458,6 +2458,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_tr.properties b/src/main/resources/l10n/JabRef_tr.properties
index 6f4c6cd6eb9..90a1b98e4d9 100644
--- a/src/main/resources/l10n/JabRef_tr.properties
+++ b/src/main/resources/l10n/JabRef_tr.properties
@@ -1698,6 +1698,9 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
+
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_vi.properties b/src/main/resources/l10n/JabRef_vi.properties
index 7286040b9da..ce1f868a862 100644
--- a/src/main/resources/l10n/JabRef_vi.properties
+++ b/src/main/resources/l10n/JabRef_vi.properties
@@ -2455,6 +2455,8 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=
diff --git a/src/main/resources/l10n/JabRef_zh.properties b/src/main/resources/l10n/JabRef_zh.properties
index 5551d0513ed..686c6402b42 100644
--- a/src/main/resources/l10n/JabRef_zh.properties
+++ b/src/main/resources/l10n/JabRef_zh.properties
@@ -2452,6 +2452,8 @@ Show_preferences=
 
 Enter_field_name_(e.g.,_title,_author)=
 
+Other_fields=
+Show_remaining_fields=
 link_should_refer_to_a_correct_file_path=
 
 abbreviation_detected=