📝 Update release notes

docs/en/docs/release-notes.md

@@ -7,6 +7,7 @@ hide:
 
 ## Latest Changes
 
+* 📌 Pin Swagger UI version to 5.9.0 temporarily to handle a bug crashing it in 5.9.1. PR [#10529](https://github.com/tiangolo/fastapi/pull/10529) by [@alejandraklachquin](https://github.com/alejandraklachquin).
 * ✏️ Update Pydantic links to dotenv support. PR [#10511](https://github.com/tiangolo/fastapi/pull/10511) by [@White-Mask](https://github.com/White-Mask).
 * ✏️ Update links in `docs/en/docs/async.md` and `docs/zh/docs/async.md` to make them relative. PR [#10498](https://github.com/tiangolo/fastapi/pull/10498) by [@hasnatsajid](https://github.com/hasnatsajid).
 * ✏️ Fix links in `docs/em/docs/async.md`. PR [#10507](https://github.com/tiangolo/fastapi/pull/10507) by [@hasnatsajid](https://github.com/hasnatsajid).