diff --git a/docs/release-notes.md b/docs/release-notes.md
index f3b42e535..778686860 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Latest changes
 
+* Add new high-performance JSON response class using `orjson`. New docs: [Custom Response - HTML, Stream, File, others: `ORJSONResponse`](https://fastapi.tiangolo.com/advanced/custom-response/#use-orjsonresponse). PR [#1065](https://github.com/tiangolo/fastapi/pull/1065).
+
 ## 0.51.0
 
 * Re-export utils from Starlette: