From :

Ever since Return of the Jedi seemingly concluded the journey of the Skywalker Saga, Star Wars fans have clamored to learn what adventures Luke got into in the years following his confrontation with his father. Various novels and comic books explored his journey, though these tales are no longer considered canon under Lucasfilm’s purchase by Disney. Neither The Force Awakens nor The Last Jedi offered audiences answers about Luke’s time between the films, but Mark Hamill teased there are many exciting encounters that could be explored in the future.

Read the Full Story