diff --git a/.forgejo/workflows/integration.yml b/.forgejo/workflows/integration.yml
index 8e2b422..d93fef6 100644
--- a/.forgejo/workflows/integration.yml
+++ b/.forgejo/workflows/integration.yml
@@ -48,6 +48,37 @@ jobs:
 
           test $(cat /tmp/v1.json | jq -r .hide_archive_links) = true
 
+      - name: testdata/release-notes-file
+        run: |
+          export LOOP_DELAY=30
+          export FORGEJO_RUNNER_LOGS="${{ steps.forgejo.outputs.runner-logs }}"
+          forgejo-test-helper.sh run_workflow testdata/release-notes-file http://testuser:admin1234@${{ steps.forgejo.outputs.host-port }} testuser upload-download forgejo-release "${{ steps.forgejo.outputs.token }}"
+
+          set -ex
+          export FORGEJO="${{ steps.forgejo.outputs.url }}"
+          curl --fail -sS $FORGEJO/api/v1/repos/testuser/release-notes-file/releases/tags/v1.0 > /tmp/v1.json
+          curl --fail -sS $FORGEJO/api/v1/repos/testuser/release-notes-file/releases/tags/v2.0 > /tmp/v2.json
+          curl --fail -sS $FORGEJO/api/v1/repos/testuser/release-notes-file/releases/tags/v3.0 > /tmp/v3.json
+
+          EXPECTED='# This is a Release Note
+
+          Some *formatted*,
+
+          multiline
+
+          Markdown content.
+
+          ```bash
+          echo "Even a code block"
+          ```'
+          test "$EXPECTED" = "$(jq -r .body < /tmp/v1.json)"
+
+          test "$EXPECTED" = "$(jq -r .body < /tmp/v2.json)"
+          test "I wont be there" != "$(jq -r .body < /tmp/v2.json)"
+
+          test "$EXPECTED" != "$(jq -r .body < /tmp/v3.json)"
+          test "I will be there" = "$(jq -r .body < /tmp/v3.json)"
+
       - name: testdata/upload-download-private
         run: |
           export LOOP_DELAY=30
diff --git a/testdata/release-notes-file/.forgejo/workflows/test.yml b/testdata/release-notes-file/.forgejo/workflows/test.yml
new file mode 100644
index 0000000..03660fe
--- /dev/null
+++ b/testdata/release-notes-file/.forgejo/workflows/test.yml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: MIT
+
+name: Upload a release with Release Notes to the project that runs the workflow
+on: [push]
+jobs:
+  upload-download:
+    runs-on: lxc-bookworm
+    steps:
+      - uses: actions/checkout@v6
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        id: release-notes-file
+        uses: SELF@vTest
+        with:
+          direction: upload
+          tag: v1.0
+          token: FORGEJO_TEST_TOKEN
+          release-dir: upload-dir
+          release-notes-file: upload-dir/RELEASE_NOTES.md
+          verbose: true
+
+      - uses: actions/checkout@v6
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        id: release-notes-file-takes-precedence
+        uses: SELF@vTest
+        with:
+          direction: upload
+          tag: v2.0
+          token: FORGEJO_TEST_TOKEN
+          release-dir: upload-dir
+          release-notes: "I wont be there"
+          release-notes-file: upload-dir/RELEASE_NOTES.md
+          verbose: true
+
+      - uses: actions/checkout@v6
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        id: release-notes
+        uses: SELF@vTest
+        with:
+          direction: upload
+          tag: v3.0
+          token: FORGEJO_TEST_TOKEN
+          release-dir: upload-dir
+          release-notes: "I will be there"
+          verbose: true
diff --git a/testdata/release-notes-file/.gitignore b/testdata/release-notes-file/.gitignore
new file mode 100644
index 0000000..b25c15b
--- /dev/null
+++ b/testdata/release-notes-file/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/testdata/release-notes-file/upload-dir/RELEASE_NOTES.md b/testdata/release-notes-file/upload-dir/RELEASE_NOTES.md
new file mode 100644
index 0000000..3f56a9e
--- /dev/null
+++ b/testdata/release-notes-file/upload-dir/RELEASE_NOTES.md
@@ -0,0 +1,12 @@
+# This is a Release Note
+
+Some *formatted*,
+
+multiline
+
+Markdown content.
+
+```bash
+echo "Even a code block"
+```
+
diff --git a/testdata/release-notes-file/upload-dir/file 3.txt b/testdata/release-notes-file/upload-dir/file 3.txt
new file mode 100644
index 0000000..9eeba5f
--- /dev/null
+++ b/testdata/release-notes-file/upload-dir/file 3.txt	
@@ -0,0 +1 @@
+FILE3
diff --git a/testdata/release-notes-file/upload-dir/file1.txt b/testdata/release-notes-file/upload-dir/file1.txt
new file mode 100644
index 0000000..cb4ee5e
--- /dev/null
+++ b/testdata/release-notes-file/upload-dir/file1.txt
@@ -0,0 +1 @@
+FILE1
diff --git a/testdata/release-notes-file/upload-dir/file2.txt b/testdata/release-notes-file/upload-dir/file2.txt
new file mode 100644
index 0000000..d77231c
--- /dev/null
+++ b/testdata/release-notes-file/upload-dir/file2.txt
@@ -0,0 +1 @@
+FILE2