diff --git a/Metadata/DictionaryBase.cs b/Metadata/DictionaryBase.cs
index 9d125d8..afcc309 100644
--- a/Metadata/DictionaryBase.cs
+++ b/Metadata/DictionaryBase.cs
@@ -126,11 +126,11 @@ namespace SabreTools.Models.Metadata
 
             string? asString = Read<string>(key);
             if (asString != null)
-                return new string[] { asString };
+                return [asString];
 
             asString = this[key]!.ToString();
             if (asString != null)
-                return new string[] { asString };
+                return [asString];
 
             return null;
         }
@@ -140,7 +140,7 @@ namespace SabreTools.Models.Metadata
         /// </summary>
         private bool ValidateKey(string key)
         {
-            if (string.IsNullOrWhiteSpace(key))
+            if (string.IsNullOrEmpty(key))
                 return false;
             else if (!ContainsKey(key))
                 return false;
diff --git a/SabreTools.Models.csproj b/SabreTools.Models.csproj
index adb1ad3..ad2ead6 100644
--- a/SabreTools.Models.csproj
+++ b/SabreTools.Models.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <TargetFrameworks>net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
@@ -26,6 +26,9 @@
   </ItemGroup>
 
   <!-- Support for old .NET versions -->
+  <ItemGroup Condition="$(TargetFramework.StartsWith(`net3`))">
+    <PackageReference Include="ValueTupleBridge" Version="0.1.5" />
+  </ItemGroup>
   <ItemGroup Condition="$(TargetFramework.StartsWith(`net4`))">
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>