JIRA feedback is collected from a number of different sources and is evaluated when planning the product roadmap. If you would like to know more about how JIRA Product Management uses customer input during the planning process, please see our post on Atlassian Answers.
Please add a feature that would allow JIRA to clone Projects.
is related to
JRA-7020Allow support for project schemes or templates
JRA-14254custom field "scheme" to help dealing with new project requests