Open Sourceintermediate1 min read

Upstream

N/A

上游

Upstream · N/A · 上游 · UP-streem · upstream project · original repository · Open Source · git · forks · contributionOpen Sourceupstream project original repository

/UP-streem/

Also known as: upstream project, original repository

Last updated August 8, 2026

Definition

Upstream refers to the original project you forked or depend on — the source that downstream copies and derivatives pull improvements from.

Real-World Example

After fixing a bug in your fork, you send a pull request upstream so everyone using the main project benefits.

References

discuss://translation · public

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