I am working on 'cleaning up' our JIRA. Our team has used it for several years, but now we need have outgrown the simple workflows used. I need to create a new workflow to start. I wonder if there is a way to simplify the issues/issue types as well.
You need to go Settings > Issues > Workflows > Add Workflow to create new workflow and post creation you need map the workflow to project.
Please refer below documentation for your reference.
If you want to minimise the issue types then you need to move the issues in specific issue to another issue type and then you need to delete the issue type.
Before deleting an issue type, we recommend searching for all issues of that type and bulk editing them to select another existing issue type. You can then delete the original issue type without affecting existing work.
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