A developer of Shiba Inu (SHIB) suggested that Shibarium is almost finished & could be launched soon. A pseudonymous developer named Sytoshi Kusama suggested in a tweet on March 3, 2023, that they are in the last leg of finishing and launching the much-awaited layer 2 protocol Shibarium.
Source: https://www.thecoinrepublic.com/2023/03/05/shiba-inu-shib-developer-drops-big-clue-about-shibarium-launch/