Xiaomi 2019 flagships are touted to be the Mi 9 and Mi Mix 4. Both devices will be powered by the Snapdragon 855. They will also both sport three rear cameras, with the Mi 9 expected to be the first Xiaomi device with that feature. The Mi Mix 4 could also feature a unique lens technology.
https://www.notebookcheck.net/The-Xiaomi-Mi-9-will-feature-three-rear-cameras-and-a-Snapdragon-855.387906.0.html