HCM CITY — Human and cultural values and belief in beauty are major themes of artworks by 16 artists from Japan, Indonesia, Brazil and Việt Nam, which are on display at the HCM City-based Lotus Van ...

This looks to have been broken in v4.0.18 by 17849 That PR also broke any userland code that was written to expect string values from int options after submission. I have commented as such on the PR.