📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✅ Add tests for required nonable parameters and body fields. PR [#4907](https://github.com/tiangolo/fastapi/pull/4907) by [@tiangolo](https://github.com/tiangolo).
 * 📝 Add docs recommending `Union` over `Optional` and migrate source examples. PR [#4908](https://github.com/tiangolo/fastapi/pull/4908) by [@tiangolo](https://github.com/tiangolo).
 * ✨ Add support for not needing `...` as default value in required Query(), Path(), Header(), etc.. PR [#4906](https://github.com/tiangolo/fastapi/pull/4906) by [@tiangolo](https://github.com/tiangolo).
 * 🎨 Fix default value as set in tutorial for Path Operations Advanced Configurations. PR [#4899](https://github.com/tiangolo/fastapi/pull/4899) by [@tiangolo](https://github.com/tiangolo).