Firmware Compatability Check?

Hi all: I have an older MyCloud Mirror (which works well by the way) and I’m on Firmware 1.05.14 - and in the dashboard it says that it’s “up to date”. However there seem to be many newer versions out there.

Is there some way to check compatibility? I don’t want to brick my device, but I also feel like the upgrade is needed. My model # is WDBZVM0040JWT-NESN

|Model Number | Description | Expiration Date** |
|WDBZVM0040JWT-NESN| MY CLOUD MIRROR 4TB PAN-AM| 5-Jul-2016|