From the official fix list
Pearl Abyss lists the following fixes:
- Fixed an issue where some text would display abnormally when the in-game language was set to Arabic.
- Fixed an issue where the frame rate would drop in certain situations.
- [Steam Mac] Fixed an issue where the game could not be launched in certain macOS environments.
This rundown covers listed fixes. Read the official notes for the complete change list and platform rollout details. A listed fix does not establish that a player’s issue is resolved.