We do plan to integrate the translation API, but it might come after we release 2.0 to the App Store—our primary focus right now is reaching feature parity with the v1 app so we can ship 2.0. That being said, we may build it into 2.0 before then as an excuse to play around with the new API.
This is intended behavior—instance admins can manually change account creation dates in the database, including to dates in the future, which leads to some funny account ages. We plan to implement some custom handling for these cases, but since they’re quite rare it’s not a development priority right now.