1 files changed, 3 insertions, 0 deletions
diff --git a/src/SMAPI.Toolkit.CoreInterfaces/ISemanticVersion.cs b/src/SMAPI.Toolkit.CoreInterfaces/ISemanticVersion.cs
index b8572d50..b228b2d1 100644
--- a/src/SMAPI.Toolkit.CoreInterfaces/ISemanticVersion.cs
+++ b/src/SMAPI.Toolkit.CoreInterfaces/ISemanticVersion.cs
@@ -61,5 +61,8 @@ namespace StardewModdingAPI
 
         /// <summary>Get a string representation of the version.</summary>
         string ToString();
+
+        /// <summary>Whether the version uses non-standard extensions, like four-part game versions on some platforms.</summary>
+        bool IsNonStandard();
     }
 }