Although you can specify in your Post-Join Actions build triggers other than "Stable", only "Stable" seems to work.
16 - August 2, 2015
- Removed integration with deprecated CopyArchiver Plugin (pull #6)
- Pick up job renames properly
- JENKINS-16201 - Handle cache reloads correctly. Previous behavior may not see all downstream jobs as completed, and so would never start the join job
- JENKINS-25710 - Work with folders