https://asia.nikkei.com/Spotlight/Supply-Chain/China-tightens-rare-earth-export-curbs-amid-tension-with-U.S#:~:text=SHANGHAI%20%2D%2D%20China%20will%20tighten,U.S.%20semiconductor%20exports%20to%20China.Sounds like China are introducing reporting requirements on rare earth exports, which is being spun as "tightening controls on exports" in the media.
(20min delay)