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Each component can have a different lead. The component lead is a person that is assigned to be responsible for managing or co-ordinating the issues for a specific component. (Note: This could be a very good way to share the workload by enabling committers to take responsibility for a specific area. For example a component lead could review the issues for their area and plan for the implementation of patches and working on bug fixes.
Proposal:
Ask committers to select a JIRA component that hey would like to take the lead on
The issue could be across all the applications or it could be restricted to a particular area such as Workeffort, Content, Datamodel or Accounting.
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