compare
Delta Lake vs Apache Iceberg
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Delta Lake | Apache Iceberg |
|---|---|---|
| Language | Scala | Java |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 9k | 9.3k |
| Latest | v4.4.1 | apache-iceberg-1.12.0 |
| Last push | 2026-10-18 | 2026-10-19 |
| Release cadence | about 28 days between releases | about 118 days between releases |
| Active contributors | 82 commit authors on the default branch in the last 90 days | 110+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Delta Lake replaces Apache Iceberg. Alternatives to Apache Iceberg →
Full replacementOpen table format with ACID transactions and time travel on object storage.
Apache Iceberg replaces Delta Lake. Alternatives to Delta Lake →
Full replacementOpen table format with ACID transactions, schema evolution and time travel on object storage.
Both replace Apache Hudi. Alternatives to Apache Hudi →
Full replacementDelta LakeOpen table format with ACID transactions and time travel on object storage.
Full replacementApache IcebergOpen table format with ACID transactions, schema evolution and time travel on object storage.
Delta Lake
Apache Iceberg
- apache-iceberg-1.12.02026-09-30Build: Designate a single Gradle cache writer across CI workflows
- apache-iceberg-1.11.02026-05-20Revert "[SPEC] Add implementation note about schema evolution (#13936)"
- apache-iceberg-1.10.22026-05-18Core, Spark: Fix equality deletes non-deterministic schema ordering (#13873)(Backports #15514)
- apache-iceberg-1.10.12025-12-22API
- apache-iceberg-1.10.02025-09-11Add format/ to site-ci
Delta Lake
✓ signed The latest release, v4.4.1, carries a signature GitHub verified.
Loading the security report
Apache Iceberg
unsigned The latest release, apache-iceberg-1.12.0, carries no signature GitHub could verify.
Loading the security report