In due course it will appear here: https://docs.moodle.org/dev/Moodle_2.8_release_notes
The raw information is in https://tracker.moodle.org/issues/?jql=component%20%3D%20Forum%20AND%20fixVersion%20%3D%202.8
I went round recently and changes a lot of the items in the epic to have the Prefix Forum:
And here for the old set of specs: https://docs.moodle.org/dev/Advanced_Forums_Accessible_Display_Specification
Please be careful doing that sort of editing to tracker issues. There is a risk you are just creating noise.
It is redundant, because issues have a Component field to indicate which part of Moodle they affect, and you can search on that.
However, in the two quiz cases I saw, your edit was make the issue summary slightly clearer, so it may be a good change. I am only asking that you be careful, not that you stop.
It's a jungle out there in the tracker.