diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e1d2e001..4cc2856f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,6 +5,7 @@ on:
       - master
       - newbuild
       - parts
+      - 20231126_experiment
     paths:
       - RELEASE_NOTES.md
       - .github/workflows/publish.yml
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index f9817e78..67b38e72 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+### 5.3.0-debug-do-not-use-001
+- do not use (experimental, debug)
+
 ### 5.3.0-prerelease008
 - fix part index handling in JoinNonOverlappingTrees (prerelease, for testing only)