Sub-tasks are the same as the parent level issue types - they're all just issue types. If you add 10 issue types into a project's "issue type scheme", all 10 types become available in the project. For the sub-task types, the parent type is irrelevant.
Let's say you have a scheme that says
Tech-task and thing-to-do are available to be added to tasks, stories and issues automatically, because they're in the project. If you want to add a "decision" sub-task, you don't "associate" anything, just add it to the scheme.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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