Issue: #99 Date: 2026-01-29T12:00:22-08:00

Research Findings

Summary: DuckLake v1.0 is scheduled for release on February 16, 2026, though this date is tentative and subject to change to ensure stability. The project has been actively developing since its initial public announcement in May 2025, with version 0.3 of the specification already released.

Key Findings

  1. Current Release Status

    • DuckLake v0.3 specification is currently available (released in 2025)
    • The DuckDB ducklake extension version 0.3 includes Iceberg interoperability and geometry type support

  2. Planned 1.0 Release Timeline

    • Target Date: February 16, 2026
    • Status: Tentative - maintainers reserve the right to adjust dates for quality assurance
    • The roadmap indicates this is the official production readiness target

  3. What DuckLake Is

    • An integrated data lake and catalog format that stores metadata in a relational database (rather than as files like Iceberg or Delta Lake)
    • Provides ACID transactions across multiple tables, improved performance for small changes, built-in encryption, and simplified operations
    • Open-source project developed by DuckDB Labs

Recommendations

For James Lee’s purposes:

  • Plan projects around the February 16, 2026 target date, but monitor the DuckLake release calendar for any updates
  • The current v0.3 is available for testing and evaluation
  • Consider reviewing the GitHub discussions for production readiness status if enterprise adoption is planned

Sources