We have completed the checklist feature as a solution for this.
Here is a related thread if you’d like to support or follow the suggestion for assigning checklist items: https://planner.uservoice.com/forums/330525-microsoft-planner-feedback-forum/suggestions/14924745-assign-checklist-item-to-specific-individuals
An error occurred while saving the commentMensur Serifovic commented
As other commenters have mentioned, a checklist is not sufficient. Need to be able to assign people and deadlines to subtasks. It would also be helpful to be able to assign subtasks to projects (e.g. see Asana).Mensur Serifovic supported this idea ·