From 7b3effea754619f0c305af576be23a51865292a3 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Thu, 16 Jul 2026 14:58:20 +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 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 17ecbd136..1bea3f1f7 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -7,6 +7,10 @@ hide:
 
 ## Latest Changes
 
+### Fixes
+
+* 🐛 Refactor router route building to make it thread-safe, mainly relevant for tests running in parallel threads (uncommon). PR [#16013](https://github.com/fastapi/fastapi/pull/16013) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.139.1 (2026-07-16)
 
 ### Fixes