[U.S. Court Allows Submission of New MEV Evidence in Class Action Against Pump.fun] On December 19, a U.S. judge approved a motion allowing the amendment and resubmission of new evidence related to MEV trading activities in the class action lawsuit against Pump.fun, Jito Labs, and the Solana Foundation. The plaintiffs accuse Pump.fun of using MEV technology to enable insiders to acquire new tokens at low prices with priority and then pump and dump them. Solana Labs and Jito Labs are accused of facilitating these actions.