Replicating FInstancedStruct with Iris

I know Iris is still experimental, but we wanted to give it a try. We got the warning (apart of many others like it)
“LogIris: Warning: Generating descriptor for struct InstancedStruct that has custom serialization”
but I see that FInstancedStruct has some properties (ScriptStruct and StructMemory) that are not UPROPERTIES, so the standard Iris net serializer is not going to work with it.

Is there a plan to make FInstancedStruct Iris-compatible soon? (or a possible workaround)

Thanks in advance
(we are using 5.4.1, not updated to 5.4.3 yet)