If you remove the sub-task Issuetype from the project then it should disappear. I have not tried this but know it is not there in my projects without subtasks. Also if you already have sub tasks in that project you would need to move to tasks/stories.
Ah I see. That is certainly important info. Unfortunately it is not possible control the ability to create a sub task based on the parent’s status. I doubt either of these are useful but…
You could limit who can create the sub task via condition on the create. You could use automation to close the created sub task if the parent is not in the desired status.
In jira server I could do this: https://community.atlassian.com/t5/Jira-Core-Server-questions/How-to-hide-the-Create-Sub-Task-option-under-the-More-dropdown/qaq-p/151407 , then the button was hidden.
But thanks, this help "You could use automation to close the created sub task if the parent is not in the desired status."
Hi @Stig Tore
in CLOUD there is no way to hide the "Create subtask" for Standard tickets or "Create issue in epic" for Epic tickets..
The only way (at least) to block the creation of a subtask when created is to add some validation in the workflow "Create" transition of all the sub-task issuetypes in your project, where you prevent the sub-task creation if the parent status is not the desired one, or some other controls:
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