Apache Iceberg in 2026: The Open Table Format That Won
In 2023, the question was “which open table format will survive - Iceberg, Delta, or Hudi?” In 2026, that debate is over. Apache Iceberg won, and it won for reasons that have almost nothing to do with its raw performance. It won because it is the only format that both Snowflake and Databricks now treat as a first-class citizen, because the vendors picked sides on catalogs rather than table formats, and because enterprise buyers decided that multi-engine portability was worth more than a small performance edge. ...