incr ver

Source/AppScaffolding/AppScaffolding.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
-    <Version>13.1.5.1</Version>
+    <Version>13.1.6.1</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Octokit" Version="14.0.0" />

Source/LibationWinForms/Form1.QuickFilters.cs

@@ -57,7 +57,23 @@ namespace LibationWinForms
 		private void productsDisplay_InitialLoaded(object sender, EventArgs e)
 		{
 			if (QuickFilters.UseDefault)
-				performFilter(QuickFilters.Filters.FirstOrDefault()?.Filter);
+            {
+                // begin verbose null checking. shouldn't be possible, yet NRE in #1578
+                var f = QuickFilters.Filters;
+                if (f is null)
+					Serilog.Log.Logger.Error("Unexpected exception. QuickFilters.Filters is null");
+
+				var first = f.FirstOrDefault();
+                if (first is null)
+                    Serilog.Log.Logger.Information("QuickFilters.Filters.FirstOrDefault() is null");
+
+				var filter = first?.Filter;
+                if (filter is null)
+                    Serilog.Log.Logger.Information("QuickFilters.Filters.FirstOrDefault()?.Filter is null");
+                // end verbose null checking
+
+                performFilter(filter);
+            }
 		}
 	}
 }