Releases

Blocks, row groups, column chunks, statistics and the buffer manager.

The generated cross product of operator, physical form and type, with runtime SIMD dispatch.

The Parquet reader and writer, with page skipping and dictionary passthrough.

Reading and writing DuckDB storage format, at every version we claim to support.

The logical and physical plan representations, their textual forms and Substrait conversion.

The push operator interface, the pipeline, and the single threaded driver.

The JSON reader and the backing representation for the JSON functions.

The typed SSA expression IR that all four execution tiers share.

Every encoding, the cascade machinery, the cost model and multi-column detection.

Arrow interchange, zero copy where the layouts permit.

Vectors, physical forms, validity, selection vectors and the string representation.

Named, swappable implementations of the mechanisms the literature disagrees about.

The SQL lexer, parser and AST, with a textual form that round trips.

A regular expression engine, written rather than depended on: a parser, a program and a Pike virtual machine.

The metrics document one execution produces, and the JSON it is written as.

Browser WebAssembly adapter for the Portable Harn Kernel

Files, direct I/O, io_uring, object storage, and the interception shim the crash tests drive.

Block compression codecs, written rather than depended on: Snappy first.

Types, values, errors, arenas and hashing. The bottom of the workspace.

Pure recovery fold for K1 audio classification callbacks

MapBox provider for EveryMap — geocoding, routing, static maps, and more

A tree of work in flight: bead graphs annotated with the live agents working them

TomTom provider for EveryMap — geocoding, routing, traffic, isolines, and more

HERE Technologies provider for EveryMap — geocoding, routing, traffic, isolines, and more

Core traits, types, and error handling for EveryMap — unified geospatial API abstraction

Google Maps provider for EveryMap — geocoding, routing, map matching, and more

A Rust-native release automation tool inspired by GoReleaser

Declarative structural rule engine for Harn — rule model, pattern compiler, and matcher built on the harn-hostlib tree-sitter machinery.

Opt-in code-intelligence and deterministic-tool host builtins for the Harn VM

Embedded skill corpus for the Harn CLI and runtime