Lead dev here - Yes, it supports that. It supports any task which can be expressed in the syntax "complete this [X] days after this [list of items] is done, whe

Lead dev here - Yes, it supports that. It supports any task which can be expressed in the syntax "complete this [X] days after this [list of items] is done, where X can be positive, negative, or zero, and [list of items] could include just the special first task "dayZero" which sets the base date for the checklist or any other combination of tasks.