From 780e947861f737e875cddac65cbc9682db4740f9 Mon Sep 17 00:00:00 2001
From: Mario Campos <mario-campos@github.com>
Date: Thu, 8 Oct 2026 11:48:09 -0500
Subject: [PATCH] Skip CHANGELOG.md modification warning for release and
 backport PRs

---
 .github/workflows/pr-checks.yml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 37e06d44e..6dbb457e3 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -269,7 +269,16 @@ jobs:
           fi
 
       - name: Post a warning about modifying CHANGELOG.md
-        if: needs.other-checks.outputs.changelog-changed == 'true'
+        # Release and backport PRs created by `update-release-branch.ts` are titled
+        # `Merge <source-branch> into <target-branch>`, where the target branch is always a
+        # `releases/v*` branch. These PRs deliberately modify CHANGELOG.md as part of the release
+        # process, so skip the warning for them.
+        if: >-
+          needs.other-checks.outputs.changelog-changed == 'true' &&
+          !(
+            startsWith(github.event.pull_request.title, 'Merge ') &&
+            contains(github.event.pull_request.title, ' into releases/v')
+          )
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PR_NUMBER: ${{ github.event.pull_request.number }}