diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Devices/EssentialsDevice.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Devices/EssentialsDevice.cs
index a72bd282..a3ca94f3 100644
--- a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Devices/EssentialsDevice.cs	
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Devices/EssentialsDevice.cs	
@@ -131,4 +131,15 @@ namespace PepperDash.Essentials.Core
         /// </summary>
         public string MinimumEssentialsFrameworkVersion { get; protected set; }
     }
+
+    public abstract class EssentialsPluginDevelopmentDeviceFactory<T> : EssentialsDeviceFactory<T>, IPluginDevelopmentDeviceFactory where T : EssentialsDevice
+    {
+        /// <summary>
+        /// Specifies the minimum version of Essentials required for a plugin to run.  Must use the format Major.Minor.Build (ex. "1.4.33")
+        /// </summary>
+        public string MinimumEssentialsFrameworkVersion { get; protected set; }
+
+        public List<string>  DevelopmentEssentialsFrameworkVersions { get; protected set; }
+    }
+
 }
\ No newline at end of file
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Global/Global.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Global/Global.cs
index 9d792437..cba66780 100644
--- a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Global/Global.cs	
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Global/Global.cs	
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Text.RegularExpressions;
 using System.Globalization;
 using Crestron.SimplSharp;
@@ -122,6 +123,32 @@ namespace PepperDash.Essentials.Core
             AssemblyVersion = assemblyVersion;
         }
 
+	    public static bool IsRunningDevelopmentVersion(List<string> developmentVersions, string minimumVersion)
+	    {
+	        if (developmentVersions == null)
+	        {
+	            Debug.Console(0, 
+                    "Development Plugin does not specify a list of versions.  Loading plugin may not work as expected.  Checking Minumum version");
+                return IsRunningMinimumVersionOrHigher(minimumVersion);
+	        }
+
+            Debug.Console(2, "Comparing running version '{0}' to minimum versions '{1}'", AssemblyVersion, developmentVersions);
+
+	        var versionMatch = developmentVersions.FirstOrDefault(x => x == AssemblyVersion);
+
+	        if (String.IsNullOrEmpty(versionMatch))
+	        {
+	            Debug.Console(0, "Essentials Build does not match any builds required for plugin load.  Bypassing Plugin Load.");
+	            return false;
+	        }
+
+            Debug.Console(2, "Essentials Build {0} matches list of development builds", AssemblyVersion);
+	        return IsRunningMinimumVersionOrHigher(minimumVersion);
+
+
+
+	    }
+
         /// <summary>
         /// Checks to see if the running version meets or exceed the minimum specified version.  For beta versions (0.xx.yy), will always return true.
         /// </summary>
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/IPluginDeviceFactory.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/IPluginDeviceFactory.cs
index ff979599..ec823007 100644
--- a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/IPluginDeviceFactory.cs	
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/IPluginDeviceFactory.cs	
@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using PepperDash.Core;
 
 
@@ -15,5 +16,10 @@ namespace PepperDash.Essentials.Core
 
     }
 
+    public interface IPluginDevelopmentDeviceFactory : IPluginDeviceFactory
+    {
+        List<string> DevelopmentEssentialsFrameworkVersions { get; }
+    }
+}
+
 
-}
\ No newline at end of file
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/PluginLoader.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/PluginLoader.cs
index 445db6bf..9da843b8 100644
--- a/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/PluginLoader.cs	
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/Plugins/PluginLoader.cs	
@@ -425,9 +425,11 @@ namespace PepperDash.Essentials
         /// <param name="loadedAssembly"></param>
         static void LoadCustomPlugin(IPluginDeviceFactory plugin, LoadedAssembly loadedAssembly)
         {
-            var explicitPlugin = plugin as IPluginDeviceFactoryExplicit;
+            var developmentPlugin = plugin as IPluginDevelopmentDeviceFactory;
 
-            var passed = explicitPlugin != null ? Global.IsRunningExplicitVersion(explicitPlugin.ExplicitEssentialsFrameworkVersions) : Global.IsRunningMinimumVersionOrHigher(plugin.MinimumEssentialsFrameworkVersion);
+            var passed = developmentPlugin != null ? Global.IsRunningDevelopmentVersion
+                (developmentPlugin.DevelopmentEssentialsFrameworkVersions, developmentPlugin.MinimumEssentialsFrameworkVersion) 
+                : Global.IsRunningMinimumVersionOrHigher(plugin.MinimumEssentialsFrameworkVersion);
 
             if (!passed)
             {