1 files changed, 11 insertions, 0 deletions
diff --git a/release-notes/7.0/preview/api-diff/preview6/Microsoft.NETCore.App/7.0-preview6_System.Text.Json.Serialization.md b/release-notes/7.0/preview/api-diff/preview6/Microsoft.NETCore.App/7.0-preview6_System.Text.Json.Serialization.md
new file mode 100644
index 00000000..4e31ee88
--- /dev/null
+++ b/release-notes/7.0/preview/api-diff/preview6/Microsoft.NETCore.App/7.0-preview6_System.Text.Json.Serialization.md
@@ -0,0 +1,11 @@
+# System.Text.Json.Serialization
+
+``` diff
+ namespace System.Text.Json.Serialization {
+-    public abstract class JsonSerializerContext {
++    public abstract class JsonSerializerContext : IJsonTypeInfoResolver {
++        JsonTypeInfo IJsonTypeInfoResolver.GetTypeInfo(Type type, JsonSerializerOptions options);
+     }
+ }
+```
+