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due date of parent-task is taken from earliest subtask's due date

samzu says:
I have a lot of task with subtasks. I give the subtasks due dates, but no due date to the parent task - as this is changing every time i complete a subtask and I don't want to change it manually all the time..
In my lists I would like to see the parent task at the due date of the subtask with the earliest subtask
Posted at 10:24am on January 12, 2026
mordimer86 says:
I guess in the way it is designed, subtask is a separate entity, just with link to parent. So it's not about displaying the earliest due date, it's about copying the due date to parent task.
That sounds like automation, so answer would be MilkScript. I think I can make something.
Then either you could run it once a while or use some external services like IFTTT, Zapier, Claude Code etc. to run it in more automated fashion.
Posted 7 days ago
mordimer86 says:
Here, try it out.
https://github.com/Mordimer86/todoapp-subtask-due-date-for-parent
I did some smoke test and seems to be working fine. However it would be nice to run some more tests.
So if you want to test it or limit the scope of the script add tag sync-preview to the parent task(s) that you want to process. More info in readme on github.
Posted 7 days ago
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