Following the privacy concerns that OnePlus 8 Pro's color filter camera raised, OnePlus made a Weibo post about a future update that would temporarily disable the module and will think of a fix that could fix the issue. In OnePlus' community forums, an official explained that the future update would affect only HydrogenOS, meaning the Chinese version of the phone. The international variant will keep the feature for the time being, but when a fix has been developed, OnePlus will implement it on the global model as well. To be honest, the feature works only with super-thin clothes and...
Source: https://www.gsmarena.com/oneplus_8_pros_color_filter_camera_will_be_disabled_only_in_china-news-43299.php