From: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Date: Sat, 23 May 2026 18:40:42 +0000 (+0000)
Subject: 📝 Update release notes
X-Git-Tag: 0.136.3~1
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=c910e0139f983d0e04e2d1d235cd71803afeae34;p=thirdparty%2Ffastapi%2Ffastapi.git

📝 Update release notes

[skip ci]
---

diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 05c90b1bf..3d2b4063f 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -7,6 +7,10 @@ hide:
 
 ## Latest Changes
 
+### Refactors
+
+* ♻️ Do not accept underscore headers when using `convert_underscores=True` (the default). PR [#15589](https://github.com/fastapi/fastapi/pull/15589) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.136.2 (2026-05-23)
 
 ### Refactors