Roadmap Overview

This roadmap outlines projects that the Iceberg community is working on, their priority, and a rough size estimate. This is based on the latest community priority discussion. Each high-level item links to a Github project board that tracks the current status. Related design docs will be linked on the planning boards.

Priority 1

• API: Iceberg 1.0.0 [medium]
• Python: Pythonic refactor [medium]
• Spec: Z-ordering / Space-filling curves [medium]
• Spec: Snapshot tagging and branching [small]
• Views: Spec [medium]
• Puffin: Implement statistics information in table snapshot [medium]
• Flink: FLIP-27 based Iceberg source [large]

Priority 2

• ORC: Support delete files stored as ORC [small]
• Spark: DSv2 streaming improvements [small]
• Flink: Inline file compaction [small]
• Flink: Support UPSERT [small]
• Spec: Secondary indexes [large]
• Spec v3: Encryption [large]
• Spec v3: Relative paths [large]
• Spec v3: Default field values [medium]