DuckDB.NET 1.5.6.1 is up to 26 times faster on the same DuckDB 1.5.6 engine. Part 1: how sealing, fast paths and less boxing make reads up to 12 times faster.
DuckDB.NET 1.5.0 introduces a high-level API for scalar and table user-defined functions, named parameter support for table functions, and explicit NULL handling for scalar UDFs.
DuckDB.NET 1.5.0 brings significant performance improvements across the board. Benchmarks show 40% faster appender writes, 22% fewer allocations, and 20% faster general reads compared to 1.4.4.