GitHub
Mark the notification as unread
In GitHub, Shift + U will mark the notification as unread. The keys are the same on a Mac. It works in the browser version.
Where it works: Notifications inbox
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Web app | ShiftU |
| Windows | Web app | ShiftU |
Where this comes from
Keyboard shortcuts - GitHub Docs
Documentation checked on 2026-09-12. That is a documentation review, not a test run inside the application.