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- project
- assignee
- key
- reporter
- priority
- versions
- fixVersions
- components
- labels
- created
- updated
- resolved
- duedate
- issuetype
- status
- resolution
- currentuser
- currentuserKeycurrentuserkey
For now, these are the only supported system fields, where "key" refers to the key of the current issue and "project" refers to the key of the project.
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