Index: OpenRA.WindowsLauncher/OpenRA.WindowsLauncher.csproj
--- OpenRA.WindowsLauncher/OpenRA.WindowsLauncher.csproj.orig
+++ OpenRA.WindowsLauncher/OpenRA.WindowsLauncher.csproj
@@ -5,7 +5,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Optimize>true</Optimize>
     <UseVSHostingProcess>false</UseVSHostingProcess>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>7.2</LangVersion>
     <DebugSymbols>true</DebugSymbols>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <AutoGenerateBindingRedirects>false</AutoGenerateBindingRedirects>
