I asked somewhere else a while ago and this was a response :
This may be possible through custom scripting, but it will not be easy to do. You will need to take the codebase for the UI of 1.8 and backport it into your mission file, overwriting the references to the Epoch UI through a custom compiles.sqf / variables.sqf.
adding the DayZ 1.8 HUD icons to Epoch
in A2: Epoch Mods (1.0.5.1)
Posted
I asked somewhere else a while ago and this was a response :
This may be possible through custom scripting, but it will not be easy to do.
You will need to take the codebase for the UI of 1.8 and backport it into your mission file, overwriting the references to the Epoch UI through a custom compiles.sqf / variables.sqf.