The Limit Regulation update for April 2019 is out, with Red-Eyes Darkness Metal Dragon getting the ban hammer!

Summary

Forbidden

Red-Eyes Darkness Metal Dragon

Limited to 1:

Speedroid Terrortop
Armageddon Knight
Raigeki

Semi-Limited to 2:

Dinomight Knight, the True Dracofighter
Toadally Awesome
A Hero Lives
Limiter Removal

Released to 3:

Performage Damage Juggler
Fairy Tail – Snow
Denglong, First of the Yang Zing
Union Hangar
Solemn Warning

Source from YU-GI-OH.jp