DBZ: Kakarot Time Machine update will be released sometime this month
According to V JUMP, the Trunks time machine will serve to redo the side quests lost during the main story (appears after the end of the game). It will also be an
Dragon Ball Z: Kakarot - There's A Secret Alternate Universe Boss Fight | Time Machine Guide - Gameranx
Dragon Ball Z: Kakarot free update will add new sub quest and a time machine | TheSixthAxis