Jesus new everlasting gospel of was prophesized in John's Revelation 14:6-7.
6 And I saw another angel fly in the midst of heaven, having the EVERLASTING GOSPEL to preach unto them that dwell on the earth, and to every nation, and...
Thank you all in the name of Christ Michael
Blessings
"Which may also be helpful to all future generations." is an everlasting gospel!