we are running that excact version on our Brocades with no issues...Ontap 9.3 and 9.4.

MDC-1B01-A:FID128:admin> version
Kernel: 2.6.34.6
Fabric OS: v8.2.1a
Made on: Mon Oct 15 20:18:02 2018
Flash: Wed Jan 30 15:21:13 2019
BootProm: 3.0.31
MDC-1B01-A:FID128:admin>