DuckLake v1.0 – Developer Discussion

Pedro Holanda and Mark Raasveldt
2026-04-13 · 55 min
Date 2026-04-13
Hosts Pedro Holanda and Mark Raasveldt (DuckDB Labs)
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Content:

  • 00:00 Introduction
  • 00:50 The inspiration for DuckLake and the architecture of DuckLake
  • 06:15 The DuckLake specification and the ducklake DuckDB extension
  • 08:05 The DuckLake v1.0 specification
  • 09:53 Making DuckLake ready for production, backwards-compatibility and long-term operations
  • 11:15 What has changed since DuckLake v0.1?
  • 15:33 DuckLake v0.4 to DuckLake v1.0
  • 16:27 The evolution of the specification
  • 18:54 Other DuckLake implementations
  • 23:18 New features in DuckLake v1.0
  • 32:25 DuckLake use cases
  • 36:20 Iceberg compatibility, partial files and the small files problem
  • 42:30 DuckLake v2.0 feature ideas
  • 50:00 Conclusion