MQ v9 is supported the first time with 10.0.0 firmware, it is not supported by 2018.4.1 firmware:
https://www.ibm.com/software/reports/compatibility/clarity-reports/report/html/softwareReqsForProduct?deliverableId=9B71DCC037AA11EA940FB524020BDA2D&duComponentIds=Server_A0143BB037AA11EA940FB524020BDA2D
#DataPower#Support#SupportMigration