the issue is a bug

Status of an issue in the workflow : the issue was closed because it is complete/solved

high priority issue, highly critical bug

Status of an issue in the workflow : someone is currently working to solve the issue

Status of an issue in the workflow : the issue is linked to an open merge request

low priority issue or low criticity bug

normal priority issue medium criticity bug

Status of an issue in the workflow : the issue has not been tackled yet

Status of an issue in the workflow : the issue was closed because it was a useless/abandoned feature, not a bug, etc.