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Next-gen projects are more simple than Classic and currently, there are no board settings, so it's not possible to configure Working Days.
There are feature requests suggesting the implementation of this ability:
Please, click on vote and watch to receive updates about the feature.
When to use CSV importer When managing your processes in Jira, there are many occasions where you need to create a lot of tasks. Creating them one by one will cost you a lot of time and effort and i...
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