Update (2019-10-03): Updated post with Korean release information, official websites.
SEGA Asia and SEGA Korea have announced that the Traditional Chinese and Korean releases of Persona 5 Royal will be on February 20, 2020.
The releases will feature Traditional Chinese subtitles for that respective region, and Korean subtitles in South Korea. Both versions of the game will feature Japanese voices.
Official websites have been released for the Traditional Chinese and Korean versions of Persona 5 Royal.
The Asian release was previously confirmed alongside the Western release announcement. A Korean release has also been confirmed for 2020.
Persona 5 Royal will be released on The PS4 in Japan on October 31, 2019. It will be released in the West in Spring 2020.