Appears some time between 5.0 and 5.1 See sample at offset `100000558` <img width="1540" height="452" alt="Image" src="https://github.com/user-attachments/assets/619df6d9-dd64-4741-84b6-d01dd7144b57" /> <img width="1904" height="384" alt="Image" src="https://github.com/user-attachments/assets/bdae3d22-a9e7-439a-baab-4625109c8cdb" /> [test_unicode.zip](https://github.com/user-attachments/files/22524446/test_unicode.zip)
