📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -7,6 +7,10 @@ hide:
 
 ## Latest Changes
 
+### Features
+
+* ✨ Add support for `from pydantic.v1 import BaseModel`, mixed Pydantic v1 and v2 models in the same app. PR [#14168](https://github.com/fastapi/fastapi/pull/14168) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.118.3
 
 ### Upgrades