From 21aa9d3719ccd4685844e86a58d162db09a2f415 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Sat, 20 Sep 2025 17:26:18 +0000
Subject: [PATCH] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?=
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[skip ci]
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 docs/en/docs/release-notes.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 443ae7111..353788c76 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -13,6 +13,7 @@ hide:
 
 ### Fixes
 
+* 🐛 Reenable `allow_arbitrary_types` when only 1 argument is used on the API endpoint. PR [#13694](https://github.com/fastapi/fastapi/pull/13694) by [@rmawatson](https://github.com/rmawatson).
 * 🐛 Fix `inspect.getcoroutinefunction()` can break testing with `unittest.mock.patch()`. PR [#14022](https://github.com/fastapi/fastapi/pull/14022) by [@secrett2633](https://github.com/secrett2633).
 
 ### Refactors