In workshop
It’s a bug.
String structure suggests it’s Dyrnwyn’s (R17 imperial ECM) cabin blueprint.
race1 is empire and t5 means it’s a higher rank ship, so you would be correct. It’s a part from Dyrnwyn which is curious since I thought it’d be a premium like the Executor since Zhen is already the rank 17 ECM.
EDIT: This also probably means we’re getting Dyrwyn within the next week or two if the data was preloaded.
I think that we will have to wait at least another 10 days for it.