Allow boards to show closed issues as well as open issues

We're a silver customer.

Problem to solve

We're trying to use GitLab's issue boards and milestone burndown charts together. Milestones track open/closed issues, while boards transfer between different label lists. As soon as an issue is closed, it disappears from the board.

We're using the following label flow as suggested in this blog post: https://about.gitlab.com/2018/03/05/gitlab-for-agile-software-development/

Ready for Dev, In Dev, Ready for QA, In Review, Done

As soon as the issue enters Ready for QA, it should also be considered done or closed for the milestone because QA has another timeline they operate upon. The current issue boards don't allow closed issues to be shown, nor issues to be automatically closed when entering a particular label list. There's definitely a mismatch here with how boards operate and how milestones operation. Some kind of alignment is needed and allowing issue boards to not differentiate between closed and opened issues seems the cleanest approach.

Intended users

Engineering Lead Software Engineer

Further details

See above

Proposal