On February 14, 2021, Mainstream officially changed it's name to Commissioned. The new webpage can be found at gracechurch.org/commissioned.
“Go therefore and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit, teaching them to observe all that I commanded you; and lo, I am with The name “Mainstream” is a reminder that the Great Commission is meant to be mainstream both in the ministry of the local church and in global missions. Mainstream existed to provide opportunities for gospel-centered ministry within the church and in partnership with missionaries around the world.