FISE announced their 2019 schedule. The series kicks off in Hiroshima followed by Montpellier and Chengdu. The FISE stops count towards the UCI World Championship once again. You can find more details about the stops in the event section:

April 19th - 21st in Japan: FISE Hiroshima
May 29th - 2nd in France: FISE Montpellier
October 31st - 3rd in China: FISE Chengdu

From the press release:

"FISE World Series presented by Honor returns in 2019 to bring the best in action sports to cities around the globe. We have lined up the 3 biggest and best locations offering the most sports, riders and spectators. This year is extra special as we have the additional excitement of the UCI BMX Freestyle Park World Cup counting towards qualification for the Tokyo Olympics in 2020.

True to the spirit of FISE our events remain free to attend and everyone is welcome!"