Badminton's world governing body (BWF) on Friday put a temporary ban on the new 'spin serve' until further consultation and the shuttlers can't use the serve in all its international tournaments effective immediately.

from Times of India https://timesofindia.indiatimes.com/sports/badminton/bwf-puts-interim-ban-on-new-unplayable-spin-serve/articleshow/100187961.cms