Uploaded June 2026 | Updated September 2026, 21 hours ago

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Join Manfred Moser as he explains the concept of upstream repositories and how it applies to Chainguard Libraries for Java, JavaScript, and Python. He looks at the details for Java and the Maven Central repository, and how you can configure automated fallback to Maven Central for libraries that are not yet available as rebuilt binaries from Chainguard.  Manfred also explains the cooldown policy, why it is especially useful for Chainguard Libraries for JavaScript, and how you configure the policy for a company-wide cooldown period.

Learn more about Chainguard Libraries at https://chainguard.dev/libraries

About Chainguard
Founded by the industry's leading experts on open source software, security and cloud native development, we are on a mission to be the safe source for open source.

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