diff --git a/SpeckleUiBase/SpeckleUiBindings.cs b/SpeckleUiBase/SpeckleUiBindings.cs
index 3b7ddac..baa19d5 100644
--- a/SpeckleUiBase/SpeckleUiBindings.cs
+++ b/SpeckleUiBase/SpeckleUiBindings.cs
@@ -12,7 +12,7 @@ namespace SpeckleUiBase
 {
   public abstract class SpeckleUIBindings
   {
-    public ChromiumWebBrowser Browser { get; set; }
+    public IWebBrowser Browser { get; set; }
     public SpeckleUiWindow Window { get; set; }
 
     public SpeckleUIBindings()
diff --git a/SpeckleUiBase/SpeckleUiWindow.xaml.cs b/SpeckleUiBase/SpeckleUiWindow.xaml.cs
index e2f229d..c9c7696 100644
--- a/SpeckleUiBase/SpeckleUiWindow.xaml.cs
+++ b/SpeckleUiBase/SpeckleUiWindow.xaml.cs
@@ -28,7 +28,7 @@ public partial class SpeckleUiWindow : Window
     /// </summary>
     /// <param name="baseBindings">Your implementation of the SpeckleUiBindings class.</param>
     /// <param name="address">Defaults to the master branch release of the web ui app. Change it to where you're running your local server when debugging!</param>
-    public SpeckleUiWindow( SpeckleUIBindings baseBindings, string address = "https://appui.speckle.systems/#/" )
+    public SpeckleUiWindow( SpeckleUIBindings baseBindings, string address = "https://matteo-dev.appui.speckle.systems/#/" )
     {
       InitializeComponent();
 
diff --git a/SpeckleUiTester/App.xaml.cs b/SpeckleUiTester/App.xaml.cs
index b8a69f9..dae76a2 100644
--- a/SpeckleUiTester/App.xaml.cs
+++ b/SpeckleUiTester/App.xaml.cs
@@ -134,7 +134,7 @@ public override List<ISelectionFilter> GetSelectionFilters()
         {
           Name = "Selection",
           Icon = "mouse",
-          Count = 99
+          //Count = 99
         },
         new ListSelectionFilter
         {
@@ -163,6 +163,11 @@ public override List<ISelectionFilter> GetSelectionFilters()
         }
       };
     }
+
+    public override void PushSender( string args )
+    {
+      throw new NotImplementedException();
+    }
   }
 
 }