Chinese unit bug?

As Chinese, I noticed that the only units I can upgrade to Honored and Exalted status are Qiangs, Cu Ko Nus, Meteor Hammers and Chang Daos.

I did not see this in the balance changes, so I am now wondering where the rest of my unit line upgrades went.
Is this a bug or a new feature?

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Me too I also notice lack of final upgrade unit

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I talked on Steam, it is a bug caused by Aging Up and certain shipments, that sends the upgrade buttons to another menu that we cannot access.