Lakestream
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Ursa

1.0.0

Released 2026-09-17First release

Highlights

  • First release, published to Maven Central under org.openlakestream.
  • Implements the Lakestream API and storage format version 3.

Changes

  • Published to Maven Central under the org.openlakestream group. The Java packages are io.lakestream.api and io.lakestream.ursa.
  • Implements the Lakestream API (lakestream-api 1.0.0) and storage format version 3.
  • An Oxia-backed catalog, an object-storage engine and a separate compaction service.
  • Storage backends for S3, GCS, Azure and local disk.
  • Ships the implementation of the stream materialization framework, with Iceberg and Delta Lake integration and a ClickHouse materialization sink.

Get it

  • org.openlakestream:lakestream-api:1.0.0
  • org.openlakestream:ursa-storage-lakestream:1.0.0
  • org.openlakestream:ursa-storage-core:1.0.0
  • Source: tag v1.0.0