Solution : https://service.sap.com/sap/support/notes/1122756 (SAP Service marketplace login required)
Key words :
version-dependent basic data, choosing control -> locking properties, higher-level work item, l3 - extended locking due, dialog work item, background work item, l3- extended locking, required database accesses, specific exceptional cases, priority background chains
Related Notes :
| 1499149 | Extended locking behavior for workflow runtime |
| 1477088 | WFM: Reload is not performed if extended lock behavior |
| 1068627 | Composite note about workflow upgrade |