rug pull
A “rug pull” in open source is when a project’s maintainers abruptly and significantly change, restrict, or withdraw what made the project valuable—without reasonable warning or community input—leaving users and contributors effectively “stranded.”
This can include, for example:
- Suddenly changing the license to something far more restrictive
- Locking previously open features behind a proprietary offering
- Abandoning or deleting critical code or infrastructure with no transition plan
While project owners are usually within their legal rights, the term “rug pull” emphasizes the ethical and practical breach of trust with the community that reasonably expected the project to be open and stable over time.
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