https://docs.workflowgen.com/upgrade/8.4.2 1 2026-04-09T17:56:05.324Z https://docs.workflowgen.com/upgrade/8.4.2/preparation 1 https://docs.workflowgen.com/upgrade/8.4.2/important-notes-before-upgrading 1 2026-04-09T17:56:05.268Z https://docs.workflowgen.com/upgrade/8.4.2/workflowgen-upgrade 1 2026-04-09T18:01:01.235Z https://docs.workflowgen.com/upgrade/8.4.2/optional 1 https://docs.workflowgen.com/upgrade/8.4.2/tests 1