(Sorry I am not a native English speaker, so forgive about my poor English)
Issue:
- Photoshop version: Photoshop 26.11 x64
- OS: Windows 11 24H2 26100.6584
Steps to reproduce:
- Type in some CJK characters by Vertical Type Tool, such as "啊——" (Dashes must be full-width characters)
- This bug can only be reproduced on certain fonts. (see attachment files)
Expected result:

I'm sure everything's OK in Photoshop 26.10.
Actual result:

The attchment includes an example psd file and the related font file that will reproduce this bug.