Upstream
/ˈʌpstriːm/
Definition
The original repository a fork derives from — when you submit a PR to the source project, you're contributing upstream.
Example in context
"Our fork adds custom features — we also send upstream PRs for bug fixes that benefit everyone."
Related terms
Practice this term
Master Upstream in context by working through exercises in the Open Source & Community module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.