The Wastelanders Title update for Fallout 76 has 10 achievements worth 255 gamerscore.
Find the Overseer
Complete "The Elusive Crane"
Complete "Buried Treasure"
Complete "All That Glitters"
Complete Sofia's story
Complete Beckett's story
Become allies with Foundation
Become allies with Crater
Gain 300 gold bullion
Gain 1500 gold bullion