"non-upstream issue" (or "non-stream issue") label
"Trisquel maintains around ~300 packages just as package-helpers for each release, out of a repo of ~60K, if we use the Pareto principle (and the statistics) it possible than more than 80% of issues are upstream issues, then less than ~20% might be trisquel ones." - #91 (comment 10319), @Ark74
My focus is to submit Trisquel-specific issues. 26 of 30 issues (87%) that I've submitted are Trisquel-specific, the rest are upstream issues.
To make it possible to distinguish the "upstream issue open" label from non-upstream issue, it would in my opinion be useful with a "non-upstream issue" label, or perhaps a "non-stream issue" label to avoid confusion with the potential "downstream issue" label.