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Learn how to effectively maintain widely-used open source libraries and support developer communities in this conference talk from NDC Oslo 2025. Explore the unique challenges faced when your package is used by millions of developers across ecosystems like NPM, Cargo, and Nuget. Discover essential practices for providing comprehensive user support across multiple platforms while maintaining a developer relations mindset. Examine strategies for designing clear documentation, creating intuitive APIs and features, and making informed decisions about package versioning and compatibility. Understand when and how to implement breaking changes responsibly, navigate the technical complexities of package publishing, and stay current with rapidly evolving development ecosystems. Gain insights into the modern role of a maintainer and develop the mindset needed to successfully balance technical excellence with community engagement in open source software development.
