Sender name is incorrect if the name is like "テスト 太郎" and the address book doesn't have the mail address. The bug exists for a long time (at least from iOS 12 or older). It is not resolved in iOS/iPadOS 17 RC.
Expected: It shows "テスト 太郎". Actually: It shows "太郎テスト".
I made some feedback but they are still ignored.
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