Version 1.24.0-dev.6.9

Cherry-pick 33fe148c518e3aa9dcecf4ba73500d38e2bd0559 to dev
Cherry-pick 3cbacefbe3567688b17c7cc4cd10a307847f5601 to dev
Cherry-pick e41c56580a402dd450ee291233e2ca9cc295d135 to dev
diff --git a/tools/VERSION b/tools/VERSION
index 47b9977..dc31d08 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 24
 PATCH 0
 PRERELEASE 6
-PRERELEASE_PATCH 8
+PRERELEASE_PATCH 9