diff --git a/Core/BkwdComp/StackTraceHiddenAttribute.cs b/Core/BkwdComp/StackTraceHiddenAttribute.cs
new file mode 100644
index 00000000..4a568cb0
--- /dev/null
+++ b/Core/BkwdComp/StackTraceHiddenAttribute.cs
@@ -0,0 +1,13 @@
+#if !(NET6_0_OR_GREATER)
+namespace System.Diagnostics;
+
+/// <summary>
+/// Types and Methods attributed with StackTraceHidden will be omitted from the stack trace text shown in StackTrace.ToString() and Exception.StackTrace
+/// </summary>
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, Inherited = false)]
+public sealed class StackTraceHiddenAttribute : Attribute
+{
+	/// <summary>Initializes a new instance of the <see cref="StackTraceHiddenAttribute"/> class.</summary>
+	public StackTraceHiddenAttribute() { }
+}
+#endif
\ No newline at end of file