This one is later than usual.
— 【公式】遊戯王OCG (@YuGiOh_OCG_INFO) March 13, 2023
The next Limit Regulation for the Yu-Gi-Oh! Offical Card Game will be revealed on yu-gi-oh.jp at 9 PM JST on March 26th, 2023.
This notice was likely sent out because users have been hammering the site, regularly shutting it down for several minutes at a time, as it was expected to be released yesterday.