What is liift more release date?

As an AI language model, I do not have access to the most up-to-date information. However, as of my training dataset on August 2021, Liift4, the new iteration of the Liift fitness program created by Beachbody, was released on October 1st, 2021. The program combines high-intensity interval training (HIIT) with strength training to help users build lean muscle and burn fat.