GitHub is the perfect place to share code and work collaboratively on private and open source software.
Put review blockers on ready issues for their owners.
Your issue owner sees the reviewer's blocker on a ready issue when the decision question is missing.
Give release owners a sourced changelog draft for the ready branch.
Get a GitLab changelog draft in an issue, with changes grouped by type and linked to the work behind them.
Flag fixes missing a test question before assigning a reviewer.
Your team can catch missing verification questions before a reviewer starts, with the issue marked for its owner to clarify.