From b50f4e1d721af2dd5843ddca260ee80cf112b7d1 Mon Sep 17 00:00:00 2001
From: Jeremy Pritts <49847914+ds5678@users.noreply.github.com>
Date: Sun, 5 Oct 2025 01:06:35 -0700
Subject: [PATCH] Enable detection of .NET version without
 TargetFrameworkAttribute (#3580)

---
 .../Metadata/DotNetCorePathFinderExtensions.cs | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/ICSharpCode.Decompiler/Metadata/DotNetCorePathFinderExtensions.cs b/ICSharpCode.Decompiler/Metadata/DotNetCorePathFinderExtensions.cs
index 8e7fdde57..fd620116e 100644
--- a/ICSharpCode.Decompiler/Metadata/DotNetCorePathFinderExtensions.cs
+++ b/ICSharpCode.Decompiler/Metadata/DotNetCorePathFinderExtensions.cs
@@ -100,16 +100,24 @@ namespace ICSharpCode.Decompiler.Metadata
 							// 4.2.0 => .NET Core 2.0
 							// 4.2.1 => .NET Core 2.1 / 3.0
 							// 4.2.2 => .NET Core 3.1
+							// 5.0.0+ => .NET 5+
 							if (r.Version >= new Version(4, 2, 0))
 							{
-								version = "2.0";
-								if (r.Version >= new Version(4, 2, 1))
+								if (r.Version.Major >= 5)
 								{
-									version = "3.0";
+									version = r.Version.ToString(2);
 								}
-								if (r.Version >= new Version(4, 2, 2))
+								else if (r.Version.Major == 4 && r.Version.Minor == 2)
 								{
-									version = "3.1";
+									version = r.Version.Build switch {
+										<= 0 => "2.0",
+										1 => "3.0",
+										_ => "3.1"
+									};
+								}
+								else
+								{
+									version = "2.0";
 								}
 								return $".NETCoreApp,Version=v{version}";
 							}