The new album's name was revealed as "...Of the Dark Light" and was released on June 9, 2017. Later in 2017, Kevin Muller, who had previously been a touring member, joined the band full-time alongside longtime vocalist Frank Mullen leading the two to share vocal duties on the last album. He subsequently stepped down at the end of the year and was replaced by a returning Myers in 2018. On March 12, 2018, it was announced that Frank Mullen would do one more tour with Suffocation before officially retiring from the band. On January 15, 2019 it was announced that Mullen would return in June 2019 for a final tour of Japan.