GitLab

used to repport a BUG

use to repport a need to cleaning/refactoring code

use to repport an issue related to the documentation

used to suggest a new feature

used to suggest a new idea

comes after studying. It means the assignee has started to code.

last status before merging. The assignee and the reviewer agreed.

the reviewer is reviewing the issue

The assignee is studying the question, still under discussion

used to signal the reviewer to start the review process

used by the reviwer to signal that some changes are needed.