Update March 29th, 2023:
This issue has been addressed with the latest update!
Please make sure your game has installed the latest update. If your game has been updated and still experiences this issue, then submit a bug report to us here.
Important Civilization VI Leader Pass Update --> Leader Pass Update - Civilization VI Mac and iOS
Our team is currently investigating an issue for Civilization VI iPhone and iPad players where various text in-game is glitched or corrupted, and is replaced with placeholder text, such as below:
If you encounter this issue, make sure to Follow this article to be alerted of any updates when they become available. Thank you for your patience!