Business Automation Workflow V18 was released in March 2018 which combined IBM BPM and IBM Case Manager offerings under a single offering.
It still enabled the ability to install the offerings separately and do minor in-situ updates which did not require migration.
IBM Business Automation Workflow V220.127.116.11 software update
IBM Business Automation Workflow V18.104.22.168 software update – Single install for new clients requiring both Process and Case capabilities
IBM Business Automation Workflow V18 software release
IBM Integration Designer V18 software update – Integration Designer for implementing BPEL flows updated