diff --git a/Build/mkall.targets b/Build/mkall.targets
index b51fd29169..7697d2c416 100644
--- a/Build/mkall.targets
+++ b/Build/mkall.targets
@@ -234,7 +234,7 @@
 		<ChorusNugetVersion>5.2.0-beta0003</ChorusNugetVersion>
 		<PalasoNugetVersion>15.0.0-beta0117</PalasoNugetVersion>
 		<ParatextNugetVersion>9.4.0.1-beta</ParatextNugetVersion>
-		<LcmNugetVersion>11.0.0-beta0135</LcmNugetVersion>
+		<LcmNugetVersion>11.0.0-beta0136</LcmNugetVersion>
 		<IcuNugetVersion>70.1.123</IcuNugetVersion>
 		<HermitCrabNugetVersion>3.7.4</HermitCrabNugetVersion>
 		<IPCFrameworkVersion>1.1.1-beta0001</IPCFrameworkVersion>
diff --git a/Build/nuget-common/packages.config b/Build/nuget-common/packages.config
index ec82bfee85..e1b31b9e94 100644
--- a/Build/nuget-common/packages.config
+++ b/Build/nuget-common/packages.config
@@ -50,15 +50,15 @@
   <package id="SIL.Core" version="8.1.0-beta0035"  targetFramework="net461" />
   <package id="SIL.DesktopAnalytics" version="4.0.0" targetFramework="net461" />
   <package id="SIL.FLExBridge.IPCFramework" version="1.1.1-beta0001"  targetFramework="net461" />
-  <package id="SIL.LCModel.Build.Tasks" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Core.Tests" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Core" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.FixData" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Tests" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Tools" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Utils.Tests" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel.Utils" version="11.0.0-beta0135"  targetFramework="net461" />
-  <package id="SIL.LCModel" version="11.0.0-beta0135"  targetFramework="net461" />
+  <package id="SIL.LCModel.Build.Tasks" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Core.Tests" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Core" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.FixData" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Tests" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Tools" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Utils.Tests" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel.Utils" version="11.0.0-beta0136"  targetFramework="net461" />
+  <package id="SIL.LCModel" version="11.0.0-beta0136"  targetFramework="net461" />
   <package id="SIL.Lexicon" version="15.0.0-beta0117"  targetFramework="net462" />
   <package id="SIL.libpalaso.l10ns" version="6.0.0" targetFramework="net461" />
   <package id="SIL.Lift" version="15.0.0-beta0117"  targetFramework="net462" />
diff --git a/DistFiles/Language Explorer/Configuration/Main.xml b/DistFiles/Language Explorer/Configuration/Main.xml
index a8ee014b05..b906a001a2 100644
--- a/DistFiles/Language Explorer/Configuration/Main.xml	
+++ b/DistFiles/Language Explorer/Configuration/Main.xml	
@@ -253,6 +253,7 @@
 		</command>
 		<!-- This is on the popup menu, and is for non-record level objects. -->
 		<command id="CmdDeleteSelectedObject" label="Delete selected {0}" message="DeleteSelectedItem"/>
+        <command id="CmdDuplicateSelectedObject" label="Duplicate selected {0}" message="DuplicateSelectedItem"/>
 		<command id="CmdAlwaysVisible" label="Always visible" message="ShowFieldAlwaysVisible"/>
 		<command id="CmdIfData" label="Normally hidden, unless non-empty" message="ShowFieldIfData"/>
 		<command id="CmdNormallyHidden" label="Normally hidden" message="ShowFieldNormallyHidden"/>
@@ -654,6 +655,7 @@
 			<item command="CmdEnvironmentsJumpToDefault"/>
 			<item label="-" translate="do not translate"/>
 			<item command="CmdDeleteSelectedObject"/>
+            <item command="CmdDuplicateSelectedObject"/>
 		</menu>
 
 		<menu id="mnuBrowseView">
@@ -674,6 +676,7 @@
 			<item command="CmdEnvironmentsJumpToDefault"/>
 			<item label="-" translate="do not translate"/>
 			<item command="CmdDeleteSelectedObject"/>
+            <item command="CmdDuplicateSelectedObject"/>
 		</menu>
 		<!-- The following commands are involked/displayed on a right click on a slice on at Possibility list item.
 
diff --git a/Src/Common/Controls/XMLViews/BrowseViewer.cs b/Src/Common/Controls/XMLViews/BrowseViewer.cs
index 3320100adf..fc19e36c65 100644
--- a/Src/Common/Controls/XMLViews/BrowseViewer.cs
+++ b/Src/Common/Controls/XMLViews/BrowseViewer.cs
@@ -2,6 +2,20 @@
 // This software is licensed under the LGPL, version 2.1 or later
 // (http://www.gnu.org/licenses/lgpl-2.1.html)
 
+using SIL.FieldWorks.Common.FwUtils;
+using SIL.FieldWorks.Common.RootSites;
+using SIL.FieldWorks.Common.ViewsInterfaces;
+using SIL.FieldWorks.Filters;
+using SIL.FieldWorks.Resources;
+using SIL.LCModel;
+using SIL.LCModel.Application;
+using SIL.LCModel.Core.KernelInterfaces;
+using SIL.LCModel.Core.WritingSystems;
+using SIL.LCModel.DomainServices;
+using SIL.LCModel.Utils;
+using SIL.PlatformUtilities;
+using SIL.Reporting;
+using SIL.Utils;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -11,20 +25,6 @@
 using System.Text;
 using System.Windows.Forms;
 using System.Xml;
-using SIL.LCModel.Core.WritingSystems;
-using SIL.LCModel.Core.KernelInterfaces;
-using SIL.FieldWorks.Common.ViewsInterfaces;
-using SIL.FieldWorks.Common.FwUtils;
-using SIL.FieldWorks.Common.RootSites;
-using SIL.LCModel;
-using SIL.LCModel.Application;
-using SIL.LCModel.DomainServices;
-using SIL.FieldWorks.Filters;
-using SIL.FieldWorks.Resources;
-using SIL.Reporting;
-using SIL.LCModel.Utils;
-using SIL.PlatformUtilities;
-using SIL.Utils;
 using XCore;
 
 namespace SIL.FieldWorks.Common.Controls
@@ -328,6 +328,19 @@ protected override void OnGotFocus(EventArgs e)
 				m_xbv.Focus();
 		}
 
+		/// <summary>
+		/// Update the selected cache for the given item.
+		/// </summary>
+		public void OnUpdateItemCheckedState(object obj)
+		{
+			if (obj is ICmObject)
+			{
+				int hvoItem = ((ICmObject)obj).Hvo;
+				int currentValue = GetCheckState(hvoItem);
+				SetItemCheckedState(hvoItem, currentValue, false);
+			}
+		}
+
 		/// <summary>
 		/// This supports external clients using the Bulk Edit Preview functionality.
 		/// To turn on, set to the index of the column that should have the preview
diff --git a/Src/LexText/Lexicon/ReversalEntryBulkEdit.cs b/Src/LexText/Lexicon/ReversalEntryBulkEdit.cs
index d0ff694f98..3383f54da0 100644
--- a/Src/LexText/Lexicon/ReversalEntryBulkEdit.cs
+++ b/Src/LexText/Lexicon/ReversalEntryBulkEdit.cs
@@ -49,11 +49,12 @@ public override bool CanInsertClass(string className)
 			return className == "ReversalIndexEntry";
 		}
 
-		public override bool CreateAndInsert(string className)
+		public override bool CreateAndInsert(string className, out ICmObject newObj)
 		{
 			if (className != "ReversalIndexEntry")
-				return base.CreateAndInsert(className);
+				return base.CreateAndInsert(className, out newObj);
 			m_newItem = m_cache.ServiceLocator.GetInstance<IReversalIndexEntryFactory>().Create();
+			newObj = m_newItem;
 			var ri = (IReversalIndex)m_owningObject;
 			ri.EntriesOC.Add(m_newItem);
 			var extensions = m_cache.ActionHandlerAccessor as IActionHandlerExtensions;
diff --git a/Src/xWorks/RecordClerk.cs b/Src/xWorks/RecordClerk.cs
index 18fe149012..99cd2ef80e 100644
--- a/Src/xWorks/RecordClerk.cs
+++ b/Src/xWorks/RecordClerk.cs
@@ -2536,7 +2536,7 @@ public bool OnInsertItemInVector(object argument)
 				UndoableUnitOfWorkHelper.Do(string.Format(xWorksStrings.ksUndoInsert, command.UndoRedoTextInsert),
 					string.Format(xWorksStrings.ksRedoInsert, command.UndoRedoTextInsert), Cache.ActionHandlerAccessor, () =>
 				{
-					result = m_list.CreateAndInsert(className);
+					result = m_list.CreateAndInsert(className, out _);
 				});
 			}
 			catch (ApplicationException ae)
@@ -2612,6 +2612,83 @@ public bool OnDuplicateItemInVector(object argument)
 			return result;
 		}
 
+		/// <summary>
+		/// see if it makes sense to provide the "duplicate XXX" command now
+		/// </summary>
+		/// <param name="commandObject"></param>
+		/// <param name="display"></param>
+		/// <returns></returns>
+		public virtual bool OnDisplayDuplicateSelectedItem(object commandObject, ref UIItemDisplayProperties display)
+		{
+			CheckDisposed();
+
+			string className = Cache.MetaDataCacheAccessor.GetClassName(m_list.ListItemsClass);
+			if (m_list.CurrentObject == null ||
+				!m_list.IsCurrentObjectValid() ||
+				!m_list.CanInsertClass(m_list.CurrentObject.ClassName) ||
+				!(m_list.CurrentObject is ICloneableCmObject))
+			{
+				display.Visible = display.Enabled = false;
+			}
+			else
+			{
+				display.Text = string.Format(display.Text, GetTypeNameForUi(m_list.CurrentObject));
+			}
+
+			return true;
+		}
+
+		/// <summary>
+		/// Duplicate selected item in a non-possibilities list.
+		/// </summary>
+		public bool OnDuplicateSelectedItem(object argument)
+		{
+			CheckDisposed();
+
+			if (!Editable)
+				return false;
+
+			if (m_list.CurrentObject == null ||
+				!m_list.IsCurrentObjectValid() ||
+				!m_list.CanInsertClass(m_list.CurrentObject.ClassName) ||
+				!(m_list.CurrentObject is ICloneableCmObject))
+				return false;
+
+			SaveOnChangeRecord();
+
+			var command = (Command)argument;
+			ICmObject selectedObject = m_list.CurrentObject;
+			string className = selectedObject.ClassName;
+			bool result = false;
+			m_suppressSaveOnChangeRecord = true;
+			ICmObject newObj = null;
+
+			try
+			{
+				UndoableUnitOfWorkHelper.Do(string.Format(xWorksStrings.ksUndoDuplicate, className),
+											string.Format(xWorksStrings.ksRedoDuplicate, className),
+											Cache.ActionHandlerAccessor, () =>
+					{
+						result = m_list.CreateAndInsert(className, out newObj);
+						((ICloneableCmObject)selectedObject).SetCloneProperties(newObj);
+					});
+			}
+			catch (ApplicationException ae)
+			{
+				throw new ApplicationException("Could not duplicate the item requested by the command " + command.ConfigurationNode, ae);
+			}
+			finally
+			{
+				m_suppressSaveOnChangeRecord = false;
+			}
+
+			if (newObj != null)
+				m_mediator.BroadcastMessage("UpdateItemCheckedState", newObj);
+			m_mediator.BroadcastMessage("FocusFirstPossibleSlice", null);
+			return result;
+		}
+
+
 		#endregion
 
 		/// <summary>
diff --git a/Src/xWorks/RecordList.cs b/Src/xWorks/RecordList.cs
index fe828edcad..3c413c88c9 100644
--- a/Src/xWorks/RecordList.cs
+++ b/Src/xWorks/RecordList.cs
@@ -3215,10 +3215,11 @@ public static void SetUpConstChartTemplateTemplate(ICmPossibility templateRoot)
 		/// </summary>
 		/// <param name="className"></param>
 		/// <returns>true if successful (the class is known)</returns>
-		public virtual bool CreateAndInsert(string className)
+		public virtual bool CreateAndInsert(string className, out ICmObject newObj)
 		{
 			CheckDisposed();
 
+			newObj = null;
 			ClassAndPropInfo cpi = GetMatchingClass(className);
 			Debug.Assert(cpi != null, "This object should not have been asked to insert an object of the class " + className + ".");
 			if (cpi != null)
@@ -3245,7 +3246,7 @@ public virtual bool CreateAndInsert(string className)
 				cpiPath = new List<ClassAndPropInfo>(new ClassAndPropInfo[] { cpi });
 #endif
 				var createAndInsertMethodObj = new CpiPathBasedCreateAndInsert(m_owningObject.Hvo, cpiPath, this);
-				var newObj = DoCreateAndInsert(createAndInsertMethodObj);
+				newObj = DoCreateAndInsert(createAndInsertMethodObj);
 				int hvoNew = newObj != null ? newObj.Hvo : 0;
 				return hvoNew != 0; // If we get zero, we couldn't do it for some reason.
 			}