The Nessie Ecosystem and the Reach of Git for Data for Apache Iceberg
Editor’s note, September 2026. This post was published in May 2024 and some product details have changed since. Nessie is still available and self-deployable under the Apache-2.0 licence, and it remains the clearest implementation of catalog-level branching. It is not an Apache Software Foundation project, and its development has slowed considerably. For how the current […]

