The bug
magenta_dye_from_lapis_ink_bonemeal
recipe and the advancement that unlocks it are misnamed. Based on the recipe itself, they should actually be called magenta_dye_from_lapis_*red*_bonemeal
.
Linked issues
Comments 3
As of the dye changes it appears the recipe was renamed to magenta_3
, but the advancement still has the wrong name
Can confirm for MC 1.12.1.