incr ver

Bug #1578 Add null checks

Source/AppScaffolding/AppScaffolding.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
-    <Version>13.1.4.1</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);
+            }
 		}
 	}
 }

docs/installation/linux.md

@@ -31,6 +31,18 @@ sudo dnf5 install ./libation.rpm
 
 ---
 
+### AppImage
+
+- Install via [AppMan](https://github.com/ivan-hc/AppMan) (rootless)
+  ```bash
+  appman -i libation
+  ```
+- Install via [AM](https://github.com/ivan-hc/AM)
+  ```bash
+  am -i libation
+  ```
+Thanks to Package Forge dev [Samuel](https://github.com/Samueru-sama) for [AppImage](https://github.com/pkgforge-dev/Libation-AppImage) maintenence.
+  
 ### Arch Linux
 
 ```bash
@@ -76,6 +88,7 @@ Pacstall is the AUR Ubuntu wishes it had. It takes the concept of the AUR and pu
 ```bash
 pacstall -I libation-deb
 ```
+Thanks to [Tobias Heinlein](https://github.com/niontrix) for Pacstall package maintenance.
 
 ---