In notifications when you click "Mark as read" all text (including icon) turns gray. For issues it's OK - opened and closed issue has different icons. But for PR icons differs only by color.
There can be several solutions:
Don't make icon gray.
Create separate icons for opened, closed and merged PRs.
In notifications when you click "Mark as read" all text (including icon) turns gray. For issues it's OK - opened and closed issue has different icons. But for PR icons differs only by color. There can be several solutions:
I prefer solution 3, but I'm not designer at all.