1 files changed, 19 insertions, 0 deletions
diff --git a/release-notes/7.0/preview/api-diff/rc1/Microsoft.NETCore.App/7.0-rc1_System.Runtime.Versioning.md b/release-notes/7.0/preview/api-diff/rc1/Microsoft.NETCore.App/7.0-rc1_System.Runtime.Versioning.md
new file mode 100644
index 00000000..28ea75b6
--- /dev/null
+++ b/release-notes/7.0/preview/api-diff/rc1/Microsoft.NETCore.App/7.0-rc1_System.Runtime.Versioning.md
@@ -0,0 +1,19 @@
+# System.Runtime.Versioning
+
+``` diff
+ namespace System.Runtime.Versioning {
+-    public sealed class ObsoletedInOSPlatformAttribute : OSPlatformAttribute {
+-        public ObsoletedInOSPlatformAttribute(string platformName);
+-        public ObsoletedInOSPlatformAttribute(string platformName, string? message);
+-        public string Message { get; }
+-        public string Url { get; set; }
+-    }
++    public sealed class ObsoletedOSPlatformAttribute : OSPlatformAttribute {
++        public ObsoletedOSPlatformAttribute(string platformName);
++        public ObsoletedOSPlatformAttribute(string platformName, string? message);
++        public string Message { get; }
++        public string Url { get; set; }
++    }
+ }
+```
+